./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb71614531ba069deddebdade1f57f90be50d3de3732c63efbb92b9f6b8c62e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:29:56,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:29:56,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:29:56,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:29:56,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:29:56,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:29:56,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:29:56,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:29:56,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:29:56,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:29:56,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:29:56,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:29:56,401 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:29:56,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:29:56,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:29:56,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:29:56,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:29:56,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:29:56,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:29:56,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:29:56,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:29:56,402 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:29:56,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:29:56,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:29:56,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:29:56,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:29:56,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:29:56,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:29:56,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:29:56,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:29:56,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:29:56,403 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:29:56,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:29:56,403 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_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb71614531ba069deddebdade1f57f90be50d3de3732c63efbb92b9f6b8c62e1 [2024-12-05 22:29:56,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:29:56,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:29:56,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:29:56,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:29:56,707 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:29:56,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/ifeqn2.c [2024-12-05 22:29:59,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data/ea29610b4/a4fd3d42dc914c9895fc5575f558e1e6/FLAGbcdb53fe9 [2024-12-05 22:29:59,803 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:29:59,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/sv-benchmarks/c/array-fpi/ifeqn2.c [2024-12-05 22:29:59,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data/ea29610b4/a4fd3d42dc914c9895fc5575f558e1e6/FLAGbcdb53fe9 [2024-12-05 22:30:00,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data/ea29610b4/a4fd3d42dc914c9895fc5575f558e1e6 [2024-12-05 22:30:00,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:30:00,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:30:00,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:30:00,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:30:00,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:30:00,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a593c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00, skipping insertion in model container [2024-12-05 22:30:00,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:30:00,308 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_3f6b263d-5f1f-4637-90d9-1773c15767f6/sv-benchmarks/c/array-fpi/ifeqn2.c[589,602] [2024-12-05 22:30:00,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:30:00,336 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:30:00,346 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_3f6b263d-5f1f-4637-90d9-1773c15767f6/sv-benchmarks/c/array-fpi/ifeqn2.c[589,602] [2024-12-05 22:30:00,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:30:00,367 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:30:00,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00 WrapperNode [2024-12-05 22:30:00,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:30:00,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:30:00,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:30:00,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:30:00,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,397 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-12-05 22:30:00,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:30:00,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:30:00,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:30:00,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:30:00,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,410 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:30:00,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:30:00,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:30:00,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:30:00,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:30:00,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:30:00,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:30:00,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:30:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:30:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:30:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:30:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:30:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:30:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:30:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:30:00,517 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:30:00,518 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:30:00,643 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 22:30:00,643 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:30:00,709 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:30:00,709 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 22:30:00,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:30:00 BoogieIcfgContainer [2024-12-05 22:30:00,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:30:00,710 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:30:00,710 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:30:00,718 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:30:00,718 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:30:00" (1/1) ... [2024-12-05 22:30:00,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:30:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-05 22:30:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-05 22:30:00,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:30:00,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:00,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:01,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 22:30:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 22:30:01,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:30:01,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:01,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:30:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-05 22:30:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-05 22:30:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:30:01,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:01,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:30:01,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:01,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:30:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2024-12-05 22:30:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2024-12-05 22:30:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:30:01,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:01,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2024-12-05 22:30:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2024-12-05 22:30:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:30:02,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:02,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:02,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:30:02,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:02,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:02,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:30:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2024-12-05 22:30:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2024-12-05 22:30:02,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:30:02,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:02,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 23 states and 46 transitions. [2024-12-05 22:30:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 46 transitions. [2024-12-05 22:30:03,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:30:03,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:03,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:30:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2024-12-05 22:30:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2024-12-05 22:30:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:30:03,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:03,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:04,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 22:30:04,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:04,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:04,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:04,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:30:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2024-12-05 22:30:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2024-12-05 22:30:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:30:05,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:05,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 69 transitions. [2024-12-05 22:30:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2024-12-05 22:30:06,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:30:06,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:06,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:07,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 22:30:07,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:07,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:30:07,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:07,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:07,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:30:07,609 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:30:07,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:30:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 87 transitions. [2024-12-05 22:30:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 87 transitions. [2024-12-05 22:30:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:30:11,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:11,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:11,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 22:30:11,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:12,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:12,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:12,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:12,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:30:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 91 transitions. [2024-12-05 22:30:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 91 transitions. [2024-12-05 22:30:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:30:12,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:12,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:30:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 43 states and 88 transitions. [2024-12-05 22:30:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 88 transitions. [2024-12-05 22:30:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:30:13,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:13,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 101 transitions. [2024-12-05 22:30:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2024-12-05 22:30:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:30:15,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:15,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:30:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-12-05 22:30:16,143 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-12-05 22:30:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:30:16,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:16,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:16,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 22:30:16,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:16,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:30:16,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:16,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:16,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:30:16,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:30:16,639 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:30:16,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:30:16,787 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:30:16,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:30:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 103 transitions. [2024-12-05 22:30:18,567 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2024-12-05 22:30:18,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:30:18,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:18,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:19,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 22:30:19,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:19,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:19,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:19,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:19,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:19,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:30:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 106 transitions. [2024-12-05 22:30:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2024-12-05 22:30:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:30:19,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:19,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:30:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2024-12-05 22:30:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2024-12-05 22:30:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:30:20,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:20,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:30:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2024-12-05 22:30:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2024-12-05 22:30:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:30:23,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:23,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 65 states and 122 transitions. [2024-12-05 22:30:26,390 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2024-12-05 22:30:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:30:26,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:26,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:26,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 22:30:26,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:26,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:30:26,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:26,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:27,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:27,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:27,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:30:27,597 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:30:27,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:30:27,747 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:30:27,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:30:27,897 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:30:27,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:30:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 74 states and 142 transitions. [2024-12-05 22:30:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 142 transitions. [2024-12-05 22:30:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:30:34,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:34,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:35,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 22:30:35,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:35,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:35,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:35,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:35,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:35,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:35,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:30:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 75 states and 146 transitions. [2024-12-05 22:30:36,301 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 146 transitions. [2024-12-05 22:30:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:30:36,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:36,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:36,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-05 22:30:36,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:36,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:30:36,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:36,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:30:36,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:30:37,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:30:37,343 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:30:37,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:30:37,522 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 22:30:37,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 22:30:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 170 transitions. [2024-12-05 22:30:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2024-12-05 22:30:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:30:48,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:48,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:52,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 93 states and 182 transitions. [2024-12-05 22:30:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 182 transitions. [2024-12-05 22:30:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:30:52,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:52,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:53,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-05 22:30:53,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:53,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:30:53,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:53,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:53,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:53,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:53,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:30:53,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:30:54,000 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:30:54,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:30:54,017 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:30:54,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:30:54,036 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:30:54,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:30:54,258 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:30:54,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:30:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:30:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 98 states and 191 transitions. [2024-12-05 22:30:58,081 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 191 transitions. [2024-12-05 22:30:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:30:58,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:58,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:30:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:59,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-05 22:30:59,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:59,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:30:59,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:59,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:59,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:59,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:59,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:59,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:30:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:31:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 99 states and 196 transitions. [2024-12-05 22:31:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 196 transitions. [2024-12-05 22:31:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:31:00,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:31:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:31:02,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 99 states and 194 transitions. [2024-12-05 22:31:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 194 transitions. [2024-12-05 22:31:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:31:02,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:31:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:31:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:03,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-05 22:31:03,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:03,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:31:03,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:31:03,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:31:03,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:31:03,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:31:03,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:31:03,638 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:31:03,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:31:03,674 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 22:31:03,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 22:31:03,965 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:31:03,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 61 [2024-12-05 22:31:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:31:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 103 states and 200 transitions. [2024-12-05 22:31:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2024-12-05 22:31:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:31:09,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:09,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:31:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:31:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 103 states and 197 transitions. [2024-12-05 22:31:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 197 transitions. [2024-12-05 22:31:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:31:11,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:11,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:31:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:31:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 111 states and 209 transitions. [2024-12-05 22:31:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 209 transitions. [2024-12-05 22:31:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:31:17,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:17,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:31:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:31:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:19,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-05 22:31:19,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:19,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:31:19,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:31:19,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:31:19,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:19,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-12-05 22:31:19,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:19,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-12-05 22:31:20,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:20,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-12-05 22:31:20,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:20,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-12-05 22:31:21,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:21,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2024-12-05 22:31:21,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:21,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2024-12-05 22:31:21,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:21,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 45 [2024-12-05 22:31:21,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:21,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 45 [2024-12-05 22:31:22,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:22,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 45 [2024-12-05 22:31:22,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:31:22,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 45 [2024-12-05 22:31:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:31:40,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 122 states and 236 transitions. [2024-12-05 22:31:40,933 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 236 transitions. [2024-12-05 22:31:40,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:31:40,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:40,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:31:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:31:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 130 states and 247 transitions. [2024-12-05 22:31:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 247 transitions. [2024-12-05 22:31:46,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:31:46,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:46,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:31:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:31:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:47,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-05 22:31:47,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:47,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:31:47,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:31:47,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:31:47,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:31:47,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:31:47,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:31:47,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:31:48,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:31:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:31:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 253 transitions. [2024-12-05 22:31:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 253 transitions. [2024-12-05 22:31:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:31:49,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:49,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:31:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:31:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:50,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-05 22:31:50,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:50,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:31:50,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:31:50,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:31:50,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:31:51,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:31:51,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:31:52,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:31:52,731 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:31:52,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:31:53,100 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 22:31:53,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 22:31:53,503 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:31:53,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 61 [2024-12-05 22:31:53,850 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:31:53,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 61 [2024-12-05 22:31:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:32:19,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:19,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 144 states and 281 transitions. [2024-12-05 22:32:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 281 transitions. [2024-12-05 22:32:19,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:32:19,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:32:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:28,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 295 transitions. [2024-12-05 22:32:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 295 transitions. [2024-12-05 22:32:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:32:28,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:32:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:32,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-05 22:32:32,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:32,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:32:32,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:32:32,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:32:32,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:32:32,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:32:32,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:32:32,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:32:33,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:32:33,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:32:33,112 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:32:33,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:32:33,127 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:32:33,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:32:33,144 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:32:33,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:32:33,159 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:32:33,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:32:33,541 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:32:33,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:32:33,882 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 22:32:33,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:32:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:32:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 160 states and 306 transitions. [2024-12-05 22:32:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 306 transitions. [2024-12-05 22:32:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:32:44,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:44,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:32:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:44,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-05 22:32:44,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:44,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:32:44,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:32:44,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:32:44,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:32:44,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:32:44,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:32:44,783 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:32:44,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:32:44,818 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 22:32:44,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 22:32:45,268 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:32:45,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 22:32:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 172 states and 331 transitions. [2024-12-05 22:33:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 331 transitions. [2024-12-05 22:33:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:33:05,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:05,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:33:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:06,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-05 22:33:06,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:06,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:33:06,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:33:06,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:33:06,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:33:06,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:33:06,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:33:06,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:33:06,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:33:07,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:33:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:33:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 173 states and 339 transitions. [2024-12-05 22:33:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 339 transitions. [2024-12-05 22:33:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:33:09,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:09,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:33:13,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 173 states and 337 transitions. [2024-12-05 22:33:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 337 transitions. [2024-12-05 22:33:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:33:13,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:13,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:33:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:15,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-05 22:33:15,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:15,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:33:15,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:33:15,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:33:15,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:33:16,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:33:16,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:33:16,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:33:18,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:33:18,524 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:33:18,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:33:19,037 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:33:19,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:33:19,533 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:33:19,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:33:20,052 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:33:20,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:33:20,569 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:33:20,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:33:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:48,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 182 states and 348 transitions. [2024-12-05 22:33:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 348 transitions. [2024-12-05 22:33:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:33:48,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:48,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:33:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:50,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-05 22:33:50,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:50,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:33:50,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:33:50,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:33:50,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:33:50,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:33:50,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:33:50,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:33:50,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:33:50,511 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:33:50,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:33:50,534 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:33:50,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:33:50,560 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:33:50,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:33:50,580 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:33:50,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:33:50,603 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:33:50,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:33:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 187 states and 362 transitions. [2024-12-05 22:33:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 362 transitions. [2024-12-05 22:33:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:33:56,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:56,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 197 states and 379 transitions. [2024-12-05 22:34:09,785 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 379 transitions. [2024-12-05 22:34:09,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:34:09,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:09,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:34:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 197 states and 376 transitions. [2024-12-05 22:34:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 376 transitions. [2024-12-05 22:34:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:34:14,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:14,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:20,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-12-05 22:34:20,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:20,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:34:20,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:34:21,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:34:21,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2024-12-05 22:34:21,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2024-12-05 22:34:22,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2024-12-05 22:34:22,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2024-12-05 22:34:23,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2024-12-05 22:34:24,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2024-12-05 22:34:25,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2024-12-05 22:34:26,123 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:34:26,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 50 [2024-12-05 22:34:26,793 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 22:34:26,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 57 treesize of output 53 [2024-12-05 22:34:27,334 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:34:27,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 53 [2024-12-05 22:34:27,878 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:34:27,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 53 [2024-12-05 22:34:28,501 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:34:28,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 53 [2024-12-05 22:34:29,137 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:34:29,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 53 [2024-12-05 22:34:29,799 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:34:29,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 53 [2024-12-05 22:34:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 205 states and 389 transitions. [2024-12-05 22:34:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 389 transitions. [2024-12-05 22:34:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:34:58,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:59,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-05 22:34:59,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:59,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:34:59,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:34:59,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:34:59,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:34:59,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:35:00,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:35:00,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:35:00,199 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:35:00,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:35:00,234 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 22:35:00,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 22:35:00,270 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:35:00,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 22:35:00,937 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:35:00,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 65 treesize of output 71 [2024-12-05 22:35:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:35:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 210 states and 396 transitions. [2024-12-05 22:35:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 396 transitions. [2024-12-05 22:35:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:35:11,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:11,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 47 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:35:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:17,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 210 states and 391 transitions. [2024-12-05 22:35:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 391 transitions. [2024-12-05 22:35:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:35:17,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:17,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:35:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:21,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-05 22:35:21,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:21,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:35:21,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:21,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:21,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:21,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:21,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:21,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:21,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:21,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:22,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:35:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:35:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 211 states and 400 transitions. [2024-12-05 22:35:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 400 transitions. [2024-12-05 22:35:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:35:25,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:35:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:29,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-12-05 22:35:29,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:29,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:35:29,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:35:29,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:35:29,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:35:29,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:35:29,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:35:29,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:35:29,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:35:29,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:35:29,790 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:35:29,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:35:29,815 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:35:29,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:35:29,840 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:35:29,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:35:29,870 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:35:29,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:35:29,902 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:35:29,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:35:30,626 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:35:30,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 22:35:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:35:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 218 states and 409 transitions. [2024-12-05 22:35:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 409 transitions. [2024-12-05 22:35:46,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:35:46,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:46,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 22:36:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 229 states and 423 transitions. [2024-12-05 22:36:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 423 transitions. [2024-12-05 22:36:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:36:00,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:00,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:36:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 240 states and 438 transitions. [2024-12-05 22:36:19,480 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 438 transitions. [2024-12-05 22:36:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:36:19,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:36:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:36:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:26,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-12-05 22:36:26,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:26,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:36:26,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:36:26,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 22:36:26,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:36:27,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:36:28,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:36:29,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:36:29,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:36:30,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:36:30,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:36:30,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:36:30,949 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:36:30,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:36:30,969 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:36:30,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:36:31,717 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:36:31,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:36:32,642 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:36:32,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:36:33,381 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:36:33,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:36:34,090 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:36:34,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:36:34,811 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:36:34,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:36:35,537 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:36:35,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:36:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:37:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 249 states and 449 transitions. [2024-12-05 22:37:01,293 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 449 transitions. [2024-12-05 22:37:01,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:37:01,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:37:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:37:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:03,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-05 22:37:03,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:03,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:37:03,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:37:03,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:37:03,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:37:03,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:37:03,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:37:04,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:37:04,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:37:04,413 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:37:04,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:37:04,450 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 22:37:04,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 22:37:04,476 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:37:04,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 22:37:04,513 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:37:04,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 65 treesize of output 71 [2024-12-05 22:37:05,385 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:37:05,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 65 treesize of output 71 [2024-12-05 22:37:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:37:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 255 states and 457 transitions. [2024-12-05 22:37:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 457 transitions. [2024-12-05 22:37:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:37:22,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:22,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:37:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:37:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:27,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-05 22:37:27,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:27,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:37:27,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:27,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:27,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:27,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:27,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:27,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:27,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:27,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:27,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:28,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 22:37:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:37:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 256 states and 466 transitions. [2024-12-05 22:37:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 466 transitions. [2024-12-05 22:37:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:37:32,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:32,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:37:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:37:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:36,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-12-05 22:37:36,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:36,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:37:36,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:37:36,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:37:36,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 22:37:36,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:37:36,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:37:37,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:37:38,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:37:39,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2024-12-05 22:37:39,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:37:39,163 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:37:39,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:37:39,199 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 22:37:39,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 22:37:39,225 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:37:39,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 61 [2024-12-05 22:37:39,251 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:37:39,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 61 [2024-12-05 22:37:39,999 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:37:40,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 61 [2024-12-05 22:37:40,824 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:37:40,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 61 [2024-12-05 22:37:41,684 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-05 22:37:41,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 61 [2024-12-05 22:37:41,864 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:38:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 264 states and 476 transitions. [2024-12-05 22:38:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 476 transitions. [2024-12-05 22:38:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:38:05,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:38:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:06,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-12-05 22:38:06,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:06,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:38:06,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 22:38:06,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-12-05 22:38:06,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-05 22:38:06,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2024-12-05 22:38:07,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2024-12-05 22:38:09,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 48 [2024-12-05 22:38:10,533 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 22:38:10,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 22:38:11,354 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 22:38:11,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 22:38:12,282 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-05 22:38:12,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 22:38:13,241 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 22:38:13,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 22:38:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 283 states and 512 transitions. [2024-12-05 22:39:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 512 transitions. [2024-12-05 22:39:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:39:20,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 295 states and 529 transitions. [2024-12-05 22:39:46,914 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 529 transitions. [2024-12-05 22:39:46,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:39:46,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:46,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:39:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:39:57,455 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:39:57,459 INFO L158 Benchmark]: Toolchain (without parser) took 597281.00ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 92.8MB in the beginning and 271.7MB in the end (delta: -178.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-05 22:39:57,459 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:39:57,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.94ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:39:57,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.54ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:39:57,460 INFO L158 Benchmark]: Boogie Preprocessor took 18.83ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.0MB in the end (delta: 768.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:39:57,460 INFO L158 Benchmark]: RCFGBuilder took 292.54ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 62.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:39:57,461 INFO L158 Benchmark]: CodeCheck took 596748.58ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 62.7MB in the beginning and 271.7MB in the end (delta: -209.0MB). Peak memory consumption was 978.2MB. Max. memory is 16.1GB. [2024-12-05 22:39:57,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.94ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.54ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.83ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.0MB in the end (delta: 768.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.54ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 62.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 596748.58ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 62.7MB in the beginning and 271.7MB in the end (delta: -209.0MB). Peak memory consumption was 978.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:39:57,669 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:39:57,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/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_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb71614531ba069deddebdade1f57f90be50d3de3732c63efbb92b9f6b8c62e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:39:59,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:39:59,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:39:59,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:39:59,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:39:59,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:39:59,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:39:59,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:39:59,514 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:39:59,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:39:59,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:39:59,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:39:59,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:39:59,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:39:59,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:39:59,516 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:39:59,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:39:59,517 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:39:59,517 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_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb71614531ba069deddebdade1f57f90be50d3de3732c63efbb92b9f6b8c62e1 [2024-12-05 22:39:59,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:39:59,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:39:59,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:39:59,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:39:59,762 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:39:59,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/ifeqn2.c [2024-12-05 22:40:02,429 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data/b1a42d33a/0e7ae5ae0c7e427dada073a1a98502ae/FLAG1beb768e2 [2024-12-05 22:40:02,599 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:40:02,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/sv-benchmarks/c/array-fpi/ifeqn2.c [2024-12-05 22:40:02,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data/b1a42d33a/0e7ae5ae0c7e427dada073a1a98502ae/FLAG1beb768e2 [2024-12-05 22:40:02,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/data/b1a42d33a/0e7ae5ae0c7e427dada073a1a98502ae [2024-12-05 22:40:02,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:40:02,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:40:02,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:40:02,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:40:02,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:40:02,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47aa3345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02, skipping insertion in model container [2024-12-05 22:40:02,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:40:02,770 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_3f6b263d-5f1f-4637-90d9-1773c15767f6/sv-benchmarks/c/array-fpi/ifeqn2.c[589,602] [2024-12-05 22:40:02,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:40:02,801 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:40:02,811 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_3f6b263d-5f1f-4637-90d9-1773c15767f6/sv-benchmarks/c/array-fpi/ifeqn2.c[589,602] [2024-12-05 22:40:02,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:40:02,833 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:40:02,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02 WrapperNode [2024-12-05 22:40:02,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:40:02,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:40:02,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:40:02,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:40:02,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,858 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-12-05 22:40:02,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:40:02,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:40:02,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:40:02,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:40:02,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,874 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:40:02,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:40:02,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:40:02,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:40:02,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:40:02" (1/1) ... [2024-12-05 22:40:02,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:40:02,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:40:02,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:40:02,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:40:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:40:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:40:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-05 22:40:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:40:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:40:02,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:40:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-05 22:40:02,985 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:40:02,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:40:03,202 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 22:40:03,203 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:40:03,276 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:40:03,276 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 22:40:03,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:40:03 BoogieIcfgContainer [2024-12-05 22:40:03,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:40:03,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:40:03,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:40:03,283 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:40:03,284 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:40:03" (1/1) ... [2024-12-05 22:40:03,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:40:03,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-05 22:40:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-05 22:40:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:40:03,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:03,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:03,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:03,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:03,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:40:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:03,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:03,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:40:03,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:03,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:40:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 22:40:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 22:40:03,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:40:03,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:03,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:03,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:03,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:03,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:40:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:03,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:03,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:40:03,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:40:03,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:40:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-05 22:40:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-05 22:40:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:40:04,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:04,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:04,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:04,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:40:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:04,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:04,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:40:04,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:04,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-05 22:40:04,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:40:04,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 29 [2024-12-05 22:40:04,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:40:04,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:40:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2024-12-05 22:40:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2024-12-05 22:40:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:40:05,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:05,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:05,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:05,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:05,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:40:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:06,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:06,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:40:06,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:06,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:40:07,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2024-12-05 22:40:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2024-12-05 22:40:07,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:40:07,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:07,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:07,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:07,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:07,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:40:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:07,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:07,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:40:07,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:08,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:08,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-05 22:40:08,289 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:40:08,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 65 [2024-12-05 22:40:08,736 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:40:08,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 107 treesize of output 67 [2024-12-05 22:40:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:40:08,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-05 22:40:11,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2024-12-05 22:40:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2024-12-05 22:40:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:40:11,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:11,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:11,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:11,311 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:11,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:40:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:11,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:11,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:40:11,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:12,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:40:14,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 26 states and 53 transitions. [2024-12-05 22:40:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 53 transitions. [2024-12-05 22:40:14,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:40:14,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:14,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:14,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:14,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:14,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:40:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:15,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:15,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 22:40:15,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:40:15,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 22:40:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:17,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2024-12-05 22:40:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2024-12-05 22:40:17,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:40:17,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:17,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:17,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:17,089 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:17,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:40:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:17,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:17,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:40:17,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:18,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:18,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-05 22:40:18,460 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:40:18,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 65 [2024-12-05 22:40:18,854 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 22:40:18,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 131 treesize of output 115 [2024-12-05 22:40:19,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:40:19,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 187 treesize of output 123 [2024-12-05 22:40:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:19,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:40:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2024-12-05 22:40:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2024-12-05 22:40:24,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:24,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:24,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:24,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:24,322 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:24,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:40:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:24,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:24,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:40:24,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:26,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:40:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-05 22:40:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-05 22:40:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:32,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:32,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:32,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:32,157 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:32,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:40:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:32,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:32,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:40:32,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:33,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:40:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2024-12-05 22:40:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2024-12-05 22:40:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:36,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:36,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:36,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:36,713 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:36,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:40:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:37,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:37,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 22:40:37,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:37,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:40:37,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:37,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-05 22:40:38,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-05 22:40:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:38,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2024-12-05 22:40:39,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:40:39,364 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:40:39,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 69 [2024-12-05 22:40:41,254 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-05 22:40:41,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 93 treesize of output 57 [2024-12-05 22:40:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:41,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:40:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2024-12-05 22:40:59,904 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2024-12-05 22:40:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:40:59,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:59,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:59,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:59,906 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:59,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:41:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:00,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:00,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 22:41:00,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:01,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:41:01,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-05 22:41:01,128 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:41:01,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 65 [2024-12-05 22:41:01,667 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 22:41:01,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 131 treesize of output 115 [2024-12-05 22:41:02,299 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-12-05 22:41:02,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 191 treesize of output 163 [2024-12-05 22:41:05,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:41:05,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 28 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 227 treesize of output 139 [2024-12-05 22:41:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:41:05,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:41:14,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-12-05 22:41:14,860 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-12-05 22:41:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:41:14,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:14,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:14,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:14,862 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:14,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:41:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:15,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:15,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 22:41:15,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:41:17,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:41:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 56 states and 114 transitions. [2024-12-05 22:41:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2024-12-05 22:41:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:41:32,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:32,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:32,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:32,430 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:32,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:41:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:33,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:33,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 22:41:33,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:33,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:41:34,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:41:34,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-05 22:41:34,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-05 22:41:34,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-05 22:41:35,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:41:35,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2024-12-05 22:41:36,518 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:41:36,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 73 [2024-12-05 22:41:37,274 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 22:41:37,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 141 treesize of output 125 [2024-12-05 22:41:41,222 INFO L349 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2024-12-05 22:41:41,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 211 treesize of output 127 [2024-12-05 22:41:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:41:41,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:41:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 61 states and 123 transitions. [2024-12-05 22:41:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 123 transitions. [2024-12-05 22:41:53,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:41:53,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:53,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:53,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:53,343 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:53,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:41:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:53,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:54,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 22:41:54,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:41:55,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-05 22:41:56,338 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:41:56,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 65 [2024-12-05 22:41:57,111 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 22:41:57,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 131 treesize of output 115 [2024-12-05 22:41:58,190 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-12-05 22:41:58,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 185 treesize of output 165 [2024-12-05 22:41:59,566 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2024-12-05 22:41:59,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 45 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 271 treesize of output 231 [2024-12-05 22:42:03,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:42:03,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 45 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 473 treesize of output 273 [2024-12-05 22:42:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:42:03,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:42:20,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:42:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 63 states and 130 transitions. [2024-12-05 22:42:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 130 transitions. [2024-12-05 22:42:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:42:26,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:26,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:26,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:26,519 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:26,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:42:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:26,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:26,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:42:26,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:42:28,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:42:46,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:46,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 70 states and 143 transitions. [2024-12-05 22:42:46,913 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 143 transitions. [2024-12-05 22:42:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:42:46,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:46,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:46,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:46,915 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:46,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:42:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:47,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:47,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:42:47,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:42:47,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:42:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2024-12-05 22:42:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2024-12-05 22:42:51,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:42:51,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:51,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:51,830 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:51,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:42:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:52,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:52,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 22:42:52,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:42:58,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:43:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 77 states and 153 transitions. [2024-12-05 22:43:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions. [2024-12-05 22:43:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:43:32,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:32,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:43:32,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:43:32,983 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:43:32,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:43:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:35,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:43:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:35,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 22:43:35,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:35,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:43:35,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:43:35,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-12-05 22:43:35,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-05 22:43:36,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-05 22:43:37,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-05 22:43:38,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:43:38,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2024-12-05 22:43:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:43:38,081 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 22:43:38,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 69 [2024-12-05 22:43:39,163 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 22:43:39,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 117 [2024-12-05 22:43:40,429 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-12-05 22:43:40,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 177 treesize of output 165 [2024-12-05 22:43:47,485 INFO L349 Elim1Store]: treesize reduction 45, result has 8.2 percent of original size [2024-12-05 22:43:47,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 28 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 219 treesize of output 111 [2024-12-05 22:43:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:43:47,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6b263d-5f1f-4637-90d9-1773c15767f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0