./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm --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 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:13:12,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:13:12,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:13:12,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:13:12,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:13:12,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:13:12,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:13:12,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:13:12,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:13:12,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:13:12,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:13:12,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:13:12,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:13:12,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:13:12,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:13:12,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:13:12,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:13:12,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:13:12,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:13:12,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:13:12,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:13:12,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:13:12,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:13:12,260 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:13:12,260 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:13:12,260 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:13:12,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:13:12,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:12,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:13:12,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:13:12,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:13:12,265 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:13:12,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:13:12,265 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_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm 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 -> 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 [2024-11-13 21:13:12,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:13:12,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:13:12,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:13:12,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:13:12,565 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:13:12,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c Unable to find full path for "g++" [2024-11-13 21:13:14,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:13:14,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:13:14,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2024-11-13 21:13:14,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/data/2d2166c0f/7af8c28e9e3a4808bf047f02428d9e1b/FLAG5f64d2d09 [2024-11-13 21:13:14,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/data/2d2166c0f/7af8c28e9e3a4808bf047f02428d9e1b [2024-11-13 21:13:14,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:13:14,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:13:14,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:14,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:13:14,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:13:14,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:14,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ecac5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14, skipping insertion in model container [2024-11-13 21:13:14,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:14,706 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:13:14,882 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_3d0a3ea9-4f42-4be1-a76a-65a46111c750/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c[537,550] [2024-11-13 21:13:14,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:14,919 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:13:14,932 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_3d0a3ea9-4f42-4be1-a76a-65a46111c750/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c[537,550] [2024-11-13 21:13:14,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:14,959 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:13:14,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14 WrapperNode [2024-11-13 21:13:14,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:14,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:14,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:13:14,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:13:14,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:14,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:14,997 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 21:13:14,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:14,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:13:14,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:13:14,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:13:15,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:13:15,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:13:15,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:13:15,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:13:15,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:14" (1/1) ... [2024-11-13 21:13:15,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:15,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:13:15,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:13:15,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:13:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:13:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:13:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:13:15,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:13:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:13:15,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:13:15,177 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:13:15,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:13:15,365 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:13:15,365 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:13:15,448 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:13:15,453 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:13:15,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:15 BoogieIcfgContainer [2024-11-13 21:13:15,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:13:15,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:13:15,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:13:15,465 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:13:15,465 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:15" (1/1) ... [2024-11-13 21:13:15,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:13:15,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 21:13:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 21:13:15,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:13:15,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:15,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:15,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 21:13:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 21:13:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:13:15,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:15,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 21:13:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 21:13:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:13:16,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:16,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 21:13:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 21:13:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:13:16,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:16,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-13 21:13:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-13 21:13:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:13:17,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:17,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:13:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:17,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:13:17,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:13:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-13 21:13:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-13 21:13:18,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:13:18,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:18,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:13:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-13 21:13:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-13 21:13:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:13:19,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:19,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:13:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:13:19,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:20,049 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:13:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-11-13 21:13:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-11-13 21:13:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:13:21,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:21,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:13:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 52 states and 107 transitions. [2024-11-13 21:13:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2024-11-13 21:13:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:13:22,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:22,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:13:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 57 states and 120 transitions. [2024-11-13 21:13:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 120 transitions. [2024-11-13 21:13:29,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:13:29,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:29,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:13:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 128 transitions. [2024-11-13 21:13:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2024-11-13 21:13:31,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:13:31,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:31,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:13:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:31,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:13:31,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:13:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 67 states and 145 transitions. [2024-11-13 21:13:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2024-11-13 21:13:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:13:35,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:35,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:13:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:35,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:13:35,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:13:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 71 states and 154 transitions. [2024-11-13 21:13:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2024-11-13 21:13:37,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:13:37,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:37,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:13:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:37,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:13:37,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:13:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 165 transitions. [2024-11-13 21:13:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 165 transitions. [2024-11-13 21:13:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:13:38,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:38,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:13:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 79 states and 178 transitions. [2024-11-13 21:13:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 178 transitions. [2024-11-13 21:13:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:13:44,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:44,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:13:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 86 states and 198 transitions. [2024-11-13 21:13:50,098 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 198 transitions. [2024-11-13 21:13:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:13:50,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:50,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:13:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:50,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:13:50,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:14:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:15:44,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 99 states and 234 transitions. [2024-11-13 21:16:20,906 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 234 transitions. [2024-11-13 21:16:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:16:20,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:20,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:16:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:20,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:16:20,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:16:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 101 states and 235 transitions. [2024-11-13 21:16:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 235 transitions. [2024-11-13 21:16:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:16:22,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:16:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:35,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 107 states and 260 transitions. [2024-11-13 21:16:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 260 transitions. [2024-11-13 21:16:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:16:35,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:35,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:16:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:35,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:16:35,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:16:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 110 states and 268 transitions. [2024-11-13 21:16:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 268 transitions. [2024-11-13 21:16:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:16:54,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:54,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:16:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 110 states and 267 transitions. [2024-11-13 21:16:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 267 transitions. [2024-11-13 21:16:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:16:55,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:55,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:16:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 112 states and 278 transitions. [2024-11-13 21:16:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 278 transitions. [2024-11-13 21:16:58,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:16:58,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:17:09,946 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:17:23,144 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:17:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 116 states and 290 transitions. [2024-11-13 21:17:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 290 transitions. [2024-11-13 21:17:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:17:40,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:40,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:17:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 119 states and 297 transitions. [2024-11-13 21:17:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 297 transitions. [2024-11-13 21:17:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:17:48,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:48,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 21:17:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 121 states and 299 transitions. [2024-11-13 21:17:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 299 transitions. [2024-11-13 21:17:51,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:17:51,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:51,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:17:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:51,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:17:51,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 21:18:06,103 WARN L286 SmtUtils]: Spent 10.82s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:18:19,300 WARN L286 SmtUtils]: Spent 10.77s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:18:30,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:18:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 127 states and 322 transitions. [2024-11-13 21:18:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 322 transitions. [2024-11-13 21:18:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:18:30,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:18:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:31,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:18:31,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 21:18:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 132 states and 334 transitions. [2024-11-13 21:18:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 334 transitions. [2024-11-13 21:18:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:18:37,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:37,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:18:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:37,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:18:37,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 21:18:40,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 134 states and 337 transitions. [2024-11-13 21:18:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 337 transitions. [2024-11-13 21:18:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:18:40,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:40,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:18:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:43,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 21:18:43,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:19:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 30 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 21:19:19,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:19:21,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:20:27,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:20:37,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:20:47,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:20:47,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 139 states and 352 transitions. [2024-11-13 21:20:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 352 transitions. [2024-11-13 21:20:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:20:47,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 21:20:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 144 states and 375 transitions. [2024-11-13 21:20:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 375 transitions. [2024-11-13 21:20:55,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:20:55,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:55,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 21:21:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 147 states and 388 transitions. [2024-11-13 21:21:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 388 transitions. [2024-11-13 21:21:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:21:14,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:21:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:14,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:21:14,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 31 proven. 39 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 21:22:01,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:22:11,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:22:21,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:22:31,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:22:33,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:22:43,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:22:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 150 states and 401 transitions. [2024-11-13 21:22:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 401 transitions. [2024-11-13 21:22:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:22:43,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:43,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 21:22:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 150 states and 400 transitions. [2024-11-13 21:22:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 400 transitions. [2024-11-13 21:22:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:22:46,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:51,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:22:51,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 29 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 21:22:56,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:56,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 152 states and 404 transitions. [2024-11-13 21:22:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 404 transitions. [2024-11-13 21:22:56,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:22:56,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:56,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:57,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:22:57,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 33 proven. 13 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 21:23:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 154 states and 409 transitions. [2024-11-13 21:23:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 409 transitions. [2024-11-13 21:23:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:23:02,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:05,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:23:05,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 33 proven. 13 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 21:23:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 154 states and 409 transitions. [2024-11-13 21:23:06,718 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 409 transitions. [2024-11-13 21:23:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:23:06,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:06,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:16,851 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) [2024-11-13 21:23:16,855 INFO L158 Benchmark]: Toolchain (without parser) took 602213.82ms. Allocated memory was 427.8MB in the beginning and 268.4MB in the end (delta: -159.4MB). Free memory was 404.8MB in the beginning and 187.2MB in the end (delta: 217.7MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-13 21:23:16,856 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:16,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.99ms. Allocated memory was 427.8MB in the beginning and 142.6MB in the end (delta: -285.2MB). Free memory was 404.6MB in the beginning and 108.1MB in the end (delta: 296.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:23:16,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.28ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:16,857 INFO L158 Benchmark]: Boogie Preprocessor took 29.41ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 828.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:16,857 INFO L158 Benchmark]: RCFGBuilder took 425.56ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 92.2MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:23:16,858 INFO L158 Benchmark]: CodeCheck took 601399.94ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 92.2MB in the beginning and 187.2MB in the end (delta: -95.0MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-13 21:23:16,861 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 1.08ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.99ms. Allocated memory was 427.8MB in the beginning and 142.6MB in the end (delta: -285.2MB). Free memory was 404.6MB in the beginning and 108.1MB in the end (delta: 296.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.28ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.41ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 828.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.56ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 92.2MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 601399.94ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 92.2MB in the beginning and 187.2MB in the end (delta: -95.0MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:23:17,071 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:23:17,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm --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 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:23:19,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:23:19,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:23:19,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:23:19,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:23:19,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:23:19,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:23:19,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:23:19,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:23:19,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:23:19,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:23:19,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:23:19,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:23:19,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:23:19,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:23:19,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:23:19,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:23:19,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:23:19,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:23:19,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:23:19,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:23:19,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:23:19,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:23:19,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:23:19,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:23:19,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:23:19,669 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:19,670 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:23:19,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:23:19,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:19,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:23:19,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:23:19,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:23:19,671 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:23:19,671 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:19,671 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:23:19,671 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_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm 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 -> 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 [2024-11-13 21:23:19,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:23:19,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:23:20,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:23:20,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:23:20,001 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:23:20,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c Unable to find full path for "g++" [2024-11-13 21:23:22,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:23:22,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:23:22,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2024-11-13 21:23:22,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/data/eff2e7ce1/66b150d544304f12973abf1ab2064b45/FLAGf05ece2f7 [2024-11-13 21:23:22,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/data/eff2e7ce1/66b150d544304f12973abf1ab2064b45 [2024-11-13 21:23:22,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:23:22,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:23:22,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:22,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:23:22,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:23:22,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c09a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22, skipping insertion in model container [2024-11-13 21:23:22,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:23:22,720 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_3d0a3ea9-4f42-4be1-a76a-65a46111c750/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c[537,550] [2024-11-13 21:23:22,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:22,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:23:22,772 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_3d0a3ea9-4f42-4be1-a76a-65a46111c750/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c[537,550] [2024-11-13 21:23:22,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:22,794 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:23:22,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22 WrapperNode [2024-11-13 21:23:22,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:22,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:22,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:23:22,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:23:22,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,826 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 21:23:22,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:22,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:23:22,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:23:22,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:23:22,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:23:22,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:23:22,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:23:22,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:23:22,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:22" (1/1) ... [2024-11-13 21:23:22,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:22,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:23:22,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:23:22,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:23:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:23:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:23:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:23:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:23:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:23:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:23:23,016 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:23:23,018 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:23:23,250 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:23:23,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:23:23,315 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:23:23,315 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:23:23,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:23 BoogieIcfgContainer [2024-11-13 21:23:23,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:23:23,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:23:23,316 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:23:23,327 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:23:23,328 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:23" (1/1) ... [2024-11-13 21:23:23,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:23:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:23,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 21:23:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 21:23:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:23:23,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:23,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:23,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:23,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:23,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:23:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:23,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:23,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:23:23,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:23,514 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:23:23,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:23:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 21:23:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 21:23:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:23:23,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:23,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:23,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:23,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:23,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:23:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:23,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:23,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:23:23,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:23,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:23:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 21:23:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 21:23:23,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:23:23,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:23,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:23,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:23,913 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:23,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:23:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:24,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:24,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:23:24,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:24,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:23:24,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 21:23:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 21:23:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:23:24,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:24,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:24,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:24,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:24,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:23:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:24,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:24,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:23:24,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:24,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:23:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-11-13 21:23:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-13 21:23:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:23:25,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:25,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:25,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:25,104 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:25,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:23:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:25,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:25,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:23:25,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:23:25,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 21:23:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-13 21:23:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-13 21:23:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:23:27,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:27,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:27,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:27,279 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:27,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:23:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:27,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:27,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:23:27,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:27,590 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:23:27,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:23:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2024-11-13 21:23:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2024-11-13 21:23:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:23:29,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:29,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:29,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:29,980 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:29,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:23:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:30,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:30,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:23:30,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:23:30,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:23:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2024-11-13 21:23:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2024-11-13 21:23:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:23:31,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:31,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:31,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:31,444 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:31,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:23:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:31,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:31,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:23:31,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:23:31,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:23:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 58 states and 134 transitions. [2024-11-13 21:23:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2024-11-13 21:23:32,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:23:32,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:32,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:32,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:32,411 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:32,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:23:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:32,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:32,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:23:32,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:23:33,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 21:23:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2024-11-13 21:23:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2024-11-13 21:23:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:23:42,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:42,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:42,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:42,928 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:42,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:23:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:42,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:43,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:23:43,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:23:43,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 21:23:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:44,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 65 states and 149 transitions. [2024-11-13 21:23:44,063 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 149 transitions. [2024-11-13 21:23:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:23:44,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:44,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:44,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:44,070 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:44,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:23:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:44,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:44,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:23:44,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:44,518 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 21:23:44,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:23:49,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:49,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 71 states and 172 transitions. [2024-11-13 21:23:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 172 transitions. [2024-11-13 21:23:49,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:23:49,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:49,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:49,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:49,714 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:49,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:23:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:49,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:49,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:23:49,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:23:50,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:23:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 74 states and 187 transitions. [2024-11-13 21:23:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 187 transitions. [2024-11-13 21:23:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:23:52,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:52,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:52,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:52,112 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:52,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:23:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:52,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:52,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:23:52,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:23:52,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 21:23:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 79 states and 202 transitions. [2024-11-13 21:23:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 202 transitions. [2024-11-13 21:23:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:23:58,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:58,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:58,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:23:58,132 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:23:58,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:23:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:58,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:23:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:58,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:23:58,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:23:58,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 21:24:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 211 transitions. [2024-11-13 21:24:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 211 transitions. [2024-11-13 21:24:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:24:00,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:00,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:00,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:00,431 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:00,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:24:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:00,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:00,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:24:00,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-13 21:24:00,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 21:24:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 84 states and 218 transitions. [2024-11-13 21:24:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 218 transitions. [2024-11-13 21:24:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:24:01,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:01,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:01,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:01,593 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:01,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:24:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:01,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:01,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:24:01,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:24:02,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 21:24:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 94 states and 285 transitions. [2024-11-13 21:24:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 285 transitions. [2024-11-13 21:24:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:24:08,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:08,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:08,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:08,235 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:08,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:24:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:08,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:08,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:24:08,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-13 21:24:08,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 21:24:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 97 states and 294 transitions. [2024-11-13 21:24:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 294 transitions. [2024-11-13 21:24:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:24:10,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:10,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:10,438 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:10,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:24:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:10,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:10,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:24:10,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:24:10,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:24:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 99 states and 301 transitions. [2024-11-13 21:24:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 301 transitions. [2024-11-13 21:24:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:24:13,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:13,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:13,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:13,062 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:13,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:24:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:13,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:13,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:24:13,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 23 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 21:24:13,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-13 21:24:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 102 states and 307 transitions. [2024-11-13 21:24:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 307 transitions. [2024-11-13 21:24:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:24:21,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:21,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:21,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:21,475 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:21,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:24:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:21,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:21,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:24:21,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 21:24:21,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 21:24:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 104 states and 308 transitions. [2024-11-13 21:24:22,908 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 308 transitions. [2024-11-13 21:24:22,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:24:22,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:22,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:22,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:22,913 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:22,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:24:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:23,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:23,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:24:23,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 21:24:23,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:24:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 110 states and 339 transitions. [2024-11-13 21:24:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 339 transitions. [2024-11-13 21:24:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:24:32,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:32,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:32,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:32,690 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:32,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:24:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:32,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:32,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:24:32,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:24:33,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:24:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 115 states and 357 transitions. [2024-11-13 21:24:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 357 transitions. [2024-11-13 21:24:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:24:47,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:47,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:47,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:47,472 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:47,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:24:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:47,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:47,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:24:47,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 26 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 21:24:50,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:25:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 129 states and 403 transitions. [2024-11-13 21:25:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 403 transitions. [2024-11-13 21:25:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:25:12,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:12,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:12,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:12,056 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:12,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:25:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:12,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:25:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:12,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:25:12,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 21:25:14,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 21:25:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 132 states and 417 transitions. [2024-11-13 21:25:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 417 transitions. [2024-11-13 21:25:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:25:22,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:22,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:22,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:22,865 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:22,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:25:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:23,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:25:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:23,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:25:23,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 21:25:23,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 21:25:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 134 states and 427 transitions. [2024-11-13 21:25:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 427 transitions. [2024-11-13 21:25:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:25:24,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:24,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:24,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:24,782 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:24,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:25:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:24,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:25:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:24,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:25:24,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-13 21:25:25,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:25:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 137 states and 437 transitions. [2024-11-13 21:25:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 437 transitions. [2024-11-13 21:25:30,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:25:30,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:30,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:30,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:30,252 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:30,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:25:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:30,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:25:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:30,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:25:30,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:25:31,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:25:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 145 states and 507 transitions. [2024-11-13 21:25:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 507 transitions. [2024-11-13 21:25:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:25:42,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:42,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:42,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:42,329 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:42,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:25:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:42,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:25:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:42,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:25:42,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 21:25:43,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:25:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 147 states and 518 transitions. [2024-11-13 21:25:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 518 transitions. [2024-11-13 21:25:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 21:25:47,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:47,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:47,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:47,926 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:47,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:25:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:48,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:25:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:48,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:25:48,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 41 proven. 35 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-13 21:25:48,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 21:25:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:59,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 150 states and 524 transitions. [2024-11-13 21:25:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 524 transitions. [2024-11-13 21:25:59,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 21:25:59,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:59,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:25:59,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:25:59,614 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:25:59,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:25:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:59,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:25:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:59,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:25:59,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-13 21:25:59,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:26:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 152 states and 525 transitions. [2024-11-13 21:26:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 525 transitions. [2024-11-13 21:26:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 21:26:02,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:02,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:02,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:26:02,292 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:26:02,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:26:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:02,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:26:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:02,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:26:02,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 67 proven. 36 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-13 21:26:06,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:26:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 165 states and 583 transitions. [2024-11-13 21:26:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 583 transitions. [2024-11-13 21:26:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 21:26:26,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:26,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:26,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:26:26,195 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:26:26,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:26:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:26,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:26:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:26,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:26:26,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 21:26:27,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:26:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:33,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 166 states and 584 transitions. [2024-11-13 21:26:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 584 transitions. [2024-11-13 21:26:33,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 21:26:33,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:33,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:33,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:26:33,115 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:26:33,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:26:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:33,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:26:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:33,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:26:33,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 21:26:34,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 21:26:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 172 states and 624 transitions. [2024-11-13 21:26:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 624 transitions. [2024-11-13 21:26:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 21:26:51,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:51,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:26:51,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:26:51,782 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:26:51,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:26:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:51,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:26:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:52,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:26:52,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 21:26:53,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 21:27:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 174 states and 630 transitions. [2024-11-13 21:27:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 630 transitions. [2024-11-13 21:27:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 21:27:00,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:00,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:00,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:00,972 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:00,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 21:27:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:01,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:27:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:01,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:27:01,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 41 proven. 56 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 21:27:05,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 21:27:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 188 states and 691 transitions. [2024-11-13 21:27:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 691 transitions. [2024-11-13 21:27:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 21:27:44,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:44,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:44,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:44,106 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:44,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 21:27:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:44,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:27:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:44,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:27:44,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 21:27:45,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0a3ea9-4f42-4be1-a76a-65a46111c750/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0