./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn4.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_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/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_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/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_96ba8671-4063-49e0-9dab-f2feca5eff55/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 b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:43:11,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:43:11,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:43:11,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:43:11,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:43:11,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:43:11,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:43:11,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:43:11,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:43:11,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:43:11,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:43:11,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:43:11,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:43:11,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:43:11,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:43:11,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:43:11,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:43:11,230 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:43:11,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:43:11,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:43:11,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:43:11,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:43:11,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:43:11,231 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:43:11,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:43:11,231 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_96ba8671-4063-49e0-9dab-f2feca5eff55/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 -> b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 [2024-12-05 23:43:11,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:43:11,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:43:11,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:43:11,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:43:11,475 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:43:11,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/ifeqn4.c [2024-12-05 23:43:14,128 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data/ac57fa99e/c47d0f239d3147029f60e8cf591812ab/FLAG4f039167e [2024-12-05 23:43:14,296 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:43:14,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/sv-benchmarks/c/array-fpi/ifeqn4.c [2024-12-05 23:43:14,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data/ac57fa99e/c47d0f239d3147029f60e8cf591812ab/FLAG4f039167e [2024-12-05 23:43:14,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data/ac57fa99e/c47d0f239d3147029f60e8cf591812ab [2024-12-05 23:43:14,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:43:14,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:43:14,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:43:14,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:43:14,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:43:14,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79beea08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14, skipping insertion in model container [2024-12-05 23:43:14,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:43:14,466 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_96ba8671-4063-49e0-9dab-f2feca5eff55/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2024-12-05 23:43:14,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:43:14,494 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:43:14,501 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_96ba8671-4063-49e0-9dab-f2feca5eff55/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2024-12-05 23:43:14,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:43:14,520 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:43:14,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14 WrapperNode [2024-12-05 23:43:14,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:43:14,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:43:14,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:43:14,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:43:14,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,547 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-12-05 23:43:14,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:43:14,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:43:14,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:43:14,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:43:14,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:43:14,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:43:14,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:43:14,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:43:14,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:43:14,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:43:14,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:43:14,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:43:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:43:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:43:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:43:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:43:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:43:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:43:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:43:14,671 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:43:14,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:43:14,794 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 23:43:14,794 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:43:14,856 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:43:14,856 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 23:43:14,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:14 BoogieIcfgContainer [2024-12-05 23:43:14,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:43:14,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:43:14,857 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:43:14,863 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:43:14,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:14" (1/1) ... [2024-12-05 23:43:14,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:43:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-05 23:43:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-05 23:43:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:43:14,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:14,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:15,111 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 23:43:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 23:43:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 23:43:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:43:15,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:15,276 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 23:43:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-05 23:43:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-05 23:43:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:43:15,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:15,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:15,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:43:15,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:15,522 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 23:43:15,581 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 23:43:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2024-12-05 23:43:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2024-12-05 23:43:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:43:15,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:15,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:15,940 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 23:43:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2024-12-05 23:43:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2024-12-05 23:43:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:43:16,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:16,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:16,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:43:16,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:16,459 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 23:43:16,496 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 23:43:16,536 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 23:43:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2024-12-05 23:43:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2024-12-05 23:43:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:43:16,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:16,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:17,044 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 23:43:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 23 states and 46 transitions. [2024-12-05 23:43:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 46 transitions. [2024-12-05 23:43:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:43:17,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:17,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:17,582 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 23:43:18,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2024-12-05 23:43:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2024-12-05 23:43:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:43:18,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:18,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:18,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 23:43:18,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:18,404 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 23:43:18,420 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 23:43:18,472 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 23:43:18,487 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 23:43:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2024-12-05 23:43:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2024-12-05 23:43:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:43:18,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:18,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:19,181 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 23:43:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2024-12-05 23:43:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2024-12-05 23:43:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:43:19,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:19,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:20,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 23:43:20,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:20,020 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 23:43:20,098 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 23:43:20,169 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 23:43:20,360 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 23:43:20,475 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:43:20,476 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 23:43:20,989 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 23:43:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 40 states and 82 transitions. [2024-12-05 23:43:24,360 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 82 transitions. [2024-12-05 23:43:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:43:24,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:24,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:24,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 23:43:24,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:24,737 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 23:43:24,747 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 23:43:24,759 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 23:43:24,821 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 23:43:24,832 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 23:43:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 85 transitions. [2024-12-05 23:43:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 85 transitions. [2024-12-05 23:43:25,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:43:25,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:25,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:25,533 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 23:43:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:25,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2024-12-05 23:43:25,824 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2024-12-05 23:43:25,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:43:25,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:25,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:26,176 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 23:43:26,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 78 transitions. [2024-12-05 23:43:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2024-12-05 23:43:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:43:26,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:26,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:26,830 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 23:43:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2024-12-05 23:43:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2024-12-05 23:43:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:43:28,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:28,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:28,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 23:43:28,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:28,270 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 23:43:28,284 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 23:43:28,302 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 23:43:28,426 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 26 treesize of output 28 [2024-12-05 23:43:28,725 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 23:43:28,858 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:43:28,858 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 23:43:29,003 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:43:29,003 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 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-05 23:43:29,520 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 23:43:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 91 transitions. [2024-12-05 23:43:31,783 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2024-12-05 23:43:31,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:43:31,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:32,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 23:43:32,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:32,599 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 23:43:32,701 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 23:43:32,805 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 23:43:32,908 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 23:43:32,998 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 23:43:33,186 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 23:43:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-12-05 23:43:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-12-05 23:43:36,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:43:36,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:36,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:36,378 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 23:43:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:39,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 61 states and 111 transitions. [2024-12-05 23:43:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 111 transitions. [2024-12-05 23:43:39,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:43:39,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:39,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:39,559 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 23:43:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 67 states and 121 transitions. [2024-12-05 23:43:41,816 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 121 transitions. [2024-12-05 23:43:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:43:41,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:41,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:42,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-05 23:43:42,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:42,383 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 23:43:42,393 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 23:43:42,407 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 23:43:42,429 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 23:43:42,581 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 23:43:42,998 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 23:43:43,194 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:43:43,194 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 23:43:43,402 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:43:43,403 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 23:43:43,606 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:43:43,606 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 78 treesize of output 80 [2024-12-05 23:43:44,657 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 23:43:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 129 transitions. [2024-12-05 23:43:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2024-12-05 23:43:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:43:49,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:49,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:49,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 23:43:49,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:49,916 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 23:43:49,922 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 23:43:49,929 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 23:43:49,936 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 23:43:50,060 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 23:43:50,188 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 23:43:50,195 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 23:43:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2024-12-05 23:43:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2024-12-05 23:43:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:43:51,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:51,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:43:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 72 states and 131 transitions. [2024-12-05 23:43:52,243 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 131 transitions. [2024-12-05 23:43:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:43:52,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:52,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:52,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-05 23:43:52,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:52,537 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 23:43:52,546 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 23:43:52,562 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 23:43:52,581 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 23:43:52,605 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 23:43:52,633 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:43:52,633 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 23:43:52,668 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:43:52,668 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 23:43:53,761 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 23:43:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 80 states and 150 transitions. [2024-12-05 23:43:59,561 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 150 transitions. [2024-12-05 23:43:59,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:43:59,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:00,284 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 23:44:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 87 states and 164 transitions. [2024-12-05 23:44:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 164 transitions. [2024-12-05 23:44:03,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:44:03,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:03,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:44:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:44:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 87 states and 161 transitions. [2024-12-05 23:44:05,560 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 161 transitions. [2024-12-05 23:44:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:44:05,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:05,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:44:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:44:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:06,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 23:44:06,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:06,729 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 23:44:06,913 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 23:44:07,115 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 21 treesize of output 20 [2024-12-05 23:44:07,329 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:07,329 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 30 treesize of output 32 [2024-12-05 23:44:07,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:07,568 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 3 case distinctions, treesize of input 39 treesize of output 44 [2024-12-05 23:44:07,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:07,789 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 6 case distinctions, treesize of input 48 treesize of output 56 [2024-12-05 23:44:08,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:08,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 55 treesize of output 66 [2024-12-05 23:44:08,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:08,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 78 [2024-12-05 23:44:09,047 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:09,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 79 treesize of output 81 [2024-12-05 23:44:09,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:09,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 79 treesize of output 81 [2024-12-05 23:44:09,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:09,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 79 treesize of output 81 [2024-12-05 23:44:10,827 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 23:44:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 97 states and 186 transitions. [2024-12-05 23:44:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2024-12-05 23:44:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:44:24,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:24,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:44:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:44:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:25,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-05 23:44:25,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:25,239 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 23:44:25,247 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 23:44:25,253 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 23:44:25,260 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 23:44:25,268 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 23:44:25,274 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 23:44:25,489 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 23:44:25,495 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 23:44:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 98 states and 191 transitions. [2024-12-05 23:44:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 191 transitions. [2024-12-05 23:44:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:44:26,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:26,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:44:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:44:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 98 states and 186 transitions. [2024-12-05 23:44:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 186 transitions. [2024-12-05 23:44:28,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:44:28,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:28,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:44:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:44:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:29,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 23:44:29,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:29,302 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 23:44:29,316 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 23:44:29,327 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 23:44:29,345 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 23:44:29,363 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 23:44:29,397 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 23:44:29,426 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:44:29,426 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 23:44:29,453 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:44:29,453 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 23:44:29,747 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:44:29,747 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 65 treesize of output 71 [2024-12-05 23:44:31,327 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 23:44:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 98 states and 185 transitions. [2024-12-05 23:44:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 185 transitions. [2024-12-05 23:44:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:44:33,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:33,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:44:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:34,654 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 23:44:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 106 states and 197 transitions. [2024-12-05 23:44:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2024-12-05 23:44:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:44:39,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:39,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:44:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:44:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:41,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-05 23:44:41,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:41,877 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 23:44:41,884 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 23:44:41,893 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 21 treesize of output 20 [2024-12-05 23:44:41,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:41,910 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 30 treesize of output 32 [2024-12-05 23:44:41,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:41,929 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 3 case distinctions, treesize of input 39 treesize of output 44 [2024-12-05 23:44:41,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:41,955 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 6 case distinctions, treesize of input 48 treesize of output 56 [2024-12-05 23:44:42,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:42,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 68 [2024-12-05 23:44:43,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:43,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 78 [2024-12-05 23:44:43,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:43,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 90 [2024-12-05 23:44:43,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:43,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 88 treesize of output 93 [2024-12-05 23:44:44,131 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:44,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 88 treesize of output 93 [2024-12-05 23:44:44,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:44,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 88 treesize of output 93 [2024-12-05 23:44:44,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:44:44,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 88 treesize of output 93 [2024-12-05 23:44:46,540 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 23:44:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 112 states and 209 transitions. [2024-12-05 23:44:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 209 transitions. [2024-12-05 23:44:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:44:58,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:58,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:44:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:58,488 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 23:45:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 120 states and 219 transitions. [2024-12-05 23:45:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 219 transitions. [2024-12-05 23:45:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:45:04,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:45:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:05,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-05 23:45:05,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:05,438 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 23:45:05,445 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 23:45:05,450 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 23:45:05,457 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 23:45:05,465 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 23:45:05,471 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 23:45:05,479 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 23:45:05,738 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 23:45:05,746 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 23:45:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 121 states and 224 transitions. [2024-12-05 23:45:07,157 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 224 transitions. [2024-12-05 23:45:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:45:07,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:07,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:45:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:08,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-05 23:45:08,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:08,407 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 23:45:08,414 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 23:45:08,427 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 23:45:08,440 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 23:45:08,452 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 23:45:08,831 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 40 treesize of output 48 [2024-12-05 23:45:09,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:45:10,232 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:45:10,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 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 23:45:10,679 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:45:10,679 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 22 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 23:45:11,190 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:45:11,190 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 29 case distinctions, treesize of input 72 treesize of output 81 [2024-12-05 23:45:11,606 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:45:11,606 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 29 case distinctions, treesize of input 72 treesize of output 81 [2024-12-05 23:45:13,666 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 23:45:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 232 transitions. [2024-12-05 23:45:25,741 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2024-12-05 23:45:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:45:25,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:25,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:26,830 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 23:45:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:34,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 135 states and 246 transitions. [2024-12-05 23:45:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 246 transitions. [2024-12-05 23:45:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:45:34,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:45:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:38,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-05 23:45:38,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:38,840 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 23:45:38,850 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 23:45:38,866 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 23:45:38,880 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 23:45:38,901 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 23:45:38,925 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 40 treesize of output 48 [2024-12-05 23:45:39,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:45:39,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 23:45:40,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 23:45:41,479 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:45:41,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:45:41,925 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:45:41,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 79 treesize of output 91 [2024-12-05 23:45:42,396 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:45:42,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:45:42,930 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:45:42,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:45:43,534 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:45:43,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:45:44,084 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:45:44,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:45:46,501 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 23:46:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 142 states and 259 transitions. [2024-12-05 23:46:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 259 transitions. [2024-12-05 23:46:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:46:04,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:04,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:05,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-05 23:46:05,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:05,060 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 23:46:05,072 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 23:46:05,083 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 23:46:05,100 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 23:46:05,117 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 23:46:05,162 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 23:46:05,200 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:46:05,200 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 23:46:05,234 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:46:05,235 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 23:46:05,743 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-05 23:46:05,743 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 23:46:09,473 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 23:46:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 153 states and 286 transitions. [2024-12-05 23:46:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 286 transitions. [2024-12-05 23:46:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:46:30,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:30,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:33,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-05 23:46:33,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:33,478 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 23:46:33,485 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 23:46:33,490 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 23:46:33,495 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 23:46:33,502 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 23:46:33,509 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 23:46:33,516 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 23:46:33,525 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 23:46:33,901 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 23:46:33,909 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 23:46:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 154 states and 292 transitions. [2024-12-05 23:46:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 292 transitions. [2024-12-05 23:46:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:46:35,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:35,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:38,220 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 23:46:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 154 states and 290 transitions. [2024-12-05 23:46:40,088 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 290 transitions. [2024-12-05 23:46:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:46:40,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:40,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:42,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-05 23:46:42,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:42,824 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 23:46:42,830 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 23:46:42,845 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 23:46:42,868 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 23:46:42,883 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 23:46:42,903 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 40 treesize of output 48 [2024-12-05 23:46:42,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:46:44,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 23:46:44,807 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:46:44,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 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 23:46:45,364 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:46:45,364 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 29 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:46:46,087 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:46:46,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 79 treesize of output 91 [2024-12-05 23:46:46,763 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:46:46,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 79 treesize of output 91 [2024-12-05 23:46:47,358 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:46:47,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 79 treesize of output 91 [2024-12-05 23:46:50,748 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 23:47:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 160 states and 300 transitions. [2024-12-05 23:47:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 300 transitions. [2024-12-05 23:47:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:47:08,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:08,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:10,279 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 23:47:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 170 states and 317 transitions. [2024-12-05 23:47:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 317 transitions. [2024-12-05 23:47:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:47:22,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:22,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:24,997 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 23:47:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:27,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 170 states and 314 transitions. [2024-12-05 23:47:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 314 transitions. [2024-12-05 23:47:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:47:27,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:27,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:32,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-12-05 23:47:32,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:32,262 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 23:47:32,270 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 23:47:32,283 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 23:47:32,301 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 23:47:32,324 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 23:47:32,346 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 40 treesize of output 48 [2024-12-05 23:47:32,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:47:32,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 23:47:32,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 23:47:34,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:47:35,017 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:47:35,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 75 treesize of output 98 [2024-12-05 23:47:35,700 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:47:35,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:47:36,398 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:47:36,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:47:37,129 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:47:37,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:47:37,881 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:47:37,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:47:38,538 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:47:38,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:47:39,236 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:47:39,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:47:41,918 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 23:48:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 178 states and 328 transitions. [2024-12-05 23:48:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 328 transitions. [2024-12-05 23:48:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:48:07,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:07,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:08,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-05 23:48:08,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:08,649 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 23:48:08,656 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 23:48:08,672 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 23:48:08,687 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 23:48:08,709 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 23:48:08,737 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 40 treesize of output 48 [2024-12-05 23:48:08,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:48:08,823 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:48:08,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 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 23:48:08,866 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:48:08,866 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 22 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 23:48:09,511 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-05 23:48:09,511 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 29 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:48:10,312 INFO L349 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2024-12-05 23:48:10,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 79 treesize of output 91 [2024-12-05 23:48:14,361 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 23:48:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 180 states and 330 transitions. [2024-12-05 23:48:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 330 transitions. [2024-12-05 23:48:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:48:23,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:23,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:26,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-05 23:48:26,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:27,145 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 23:48:27,153 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 23:48:27,161 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 23:48:27,167 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 23:48:27,174 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 23:48:27,181 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 23:48:27,190 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 23:48:27,196 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 23:48:27,204 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 23:48:27,731 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 23:48:27,741 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 23:48:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 181 states and 336 transitions. [2024-12-05 23:48:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 336 transitions. [2024-12-05 23:48:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:48:30,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:30,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:35,285 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 23:48:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:37,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 181 states and 331 transitions. [2024-12-05 23:48:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 331 transitions. [2024-12-05 23:48:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:48:37,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:37,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:40,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-12-05 23:48:40,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:40,827 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 23:48:40,843 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 23:48:40,855 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 23:48:40,870 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 23:48:40,887 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 23:48:40,909 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 40 treesize of output 48 [2024-12-05 23:48:40,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:48:40,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 23:48:41,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 23:48:41,062 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:48:41,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:48:41,118 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:48:41,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 75 treesize of output 98 [2024-12-05 23:48:41,806 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:48:41,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:48:42,527 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:48:42,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:48:43,243 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:48:43,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:48:43,969 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:48:43,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:48:47,940 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 23:49:01,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 185 states and 335 transitions. [2024-12-05 23:49:01,714 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 335 transitions. [2024-12-05 23:49:01,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:49:01,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:01,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:49:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:02,031 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 23:49:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 196 states and 349 transitions. [2024-12-05 23:49:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 349 transitions. [2024-12-05 23:49:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:49:17,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:17,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:49:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:19,277 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 23:49:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 207 states and 364 transitions. [2024-12-05 23:49:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 364 transitions. [2024-12-05 23:49:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:49:35,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:35,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:49:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:49:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:41,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-12-05 23:49:41,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:41,996 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 23:49:42,004 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 23:49:42,021 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 23:49:42,032 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 23:49:42,050 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 23:49:42,070 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 40 treesize of output 48 [2024-12-05 23:49:42,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:49:42,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 23:49:42,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 23:49:42,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:49:45,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 98 [2024-12-05 23:49:45,976 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:49:45,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 82 treesize of output 108 [2024-12-05 23:49:47,047 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:49:47,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:49:47,798 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:49:47,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:49:48,598 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:49:48,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:49:49,555 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:49:49,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:49:50,370 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:49:50,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:49:51,246 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:49:51,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:49:51,988 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-12-05 23:49:51,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:49:55,244 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 23:50:29,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 216 states and 378 transitions. [2024-12-05 23:50:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 378 transitions. [2024-12-05 23:50:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:50:29,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:29,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:32,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-05 23:50:32,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:32,144 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 23:50:32,152 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 23:50:32,169 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 23:50:32,180 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 23:50:32,198 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 23:50:32,221 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 40 treesize of output 48 [2024-12-05 23:50:32,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:50:32,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 23:50:32,817 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:50:32,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 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 23:50:32,856 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:50:32,856 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 29 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:50:33,680 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-05 23:50:33,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 75 treesize of output 98 [2024-12-05 23:50:34,752 INFO L349 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2024-12-05 23:50:34,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:50:35,583 INFO L349 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2024-12-05 23:50:35,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 86 treesize of output 101 [2024-12-05 23:50:42,186 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 23:50:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 219 states and 381 transitions. [2024-12-05 23:50:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 381 transitions. [2024-12-05 23:50:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:50:57,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:57,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:58,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-05 23:50:58,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:59,546 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 23:50:59,553 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 23:50:59,559 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 23:50:59,568 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 23:50:59,574 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 23:50:59,582 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 23:50:59,592 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 23:50:59,600 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 23:50:59,606 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 23:50:59,614 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 23:51:00,308 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 23:51:00,317 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 23:51:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 220 states and 387 transitions. [2024-12-05 23:51:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 387 transitions. [2024-12-05 23:51:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:51:03,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:03,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:51:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:51:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:11,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-12-05 23:51:11,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:11,837 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 23:51:11,843 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 23:51:11,856 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 23:51:11,876 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 23:51:11,890 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 23:51:11,915 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 40 treesize of output 48 [2024-12-05 23:51:11,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:51:11,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 68 [2024-12-05 23:51:12,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 23:51:12,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:51:12,136 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:51:12,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 75 treesize of output 98 [2024-12-05 23:51:13,013 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:51:13,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 46 case distinctions, treesize of input 82 treesize of output 108 [2024-12-05 23:51:14,005 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:51:14,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:51:15,118 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:51:15,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:51:16,182 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:51:16,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:51:17,108 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:51:17,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:51:18,051 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-05 23:51:18,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 93 treesize of output 111 [2024-12-05 23:51:22,872 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 23:51:46,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 226 states and 393 transitions. [2024-12-05 23:51:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 393 transitions. [2024-12-05 23:51:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:51:46,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:46,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:51:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:51:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:48,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-05 23:51:48,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:48,556 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 23:51:48,567 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 23:51:48,584 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 23:51:48,601 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 23:51:48,626 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 23:51:48,649 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 40 treesize of output 48 [2024-12-05 23:51:48,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2024-12-05 23:51:48,733 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-05 23:51:48,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 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 23:51:48,785 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-05 23:51:48,785 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 22 case distinctions, treesize of input 61 treesize of output 78 [2024-12-05 23:51:48,839 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-05 23:51:48,839 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 29 case distinctions, treesize of input 68 treesize of output 88 [2024-12-05 23:51:49,813 INFO L349 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2024-12-05 23:51:49,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 75 treesize of output 98 [2024-12-05 23:51:56,849 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 23:52:46,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 241 states and 428 transitions. [2024-12-05 23:52:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 428 transitions. [2024-12-05 23:52:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:52:46,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:46,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:49,454 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 23:53:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 253 states and 445 transitions. [2024-12-05 23:53:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 445 transitions. [2024-12-05 23:53:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:53:14,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:14,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:53:24,660 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 23:53:24,664 INFO L158 Benchmark]: Toolchain (without parser) took 610334.28ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 119.6MB in the beginning and 319.5MB in the end (delta: -199.9MB). Peak memory consumption was 963.5MB. Max. memory is 16.1GB. [2024-12-05 23:53:24,664 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:53:24,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.14ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 107.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:53:24,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.63ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:53:24,664 INFO L158 Benchmark]: Boogie Preprocessor took 16.74ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:53:24,664 INFO L158 Benchmark]: RCFGBuilder took 291.19ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 89.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:53:24,665 INFO L158 Benchmark]: CodeCheck took 609806.49ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 89.4MB in the beginning and 319.5MB in the end (delta: -230.1MB). Peak memory consumption was 938.3MB. Max. memory is 16.1GB. [2024-12-05 23:53:24,666 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.14ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 107.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.63ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.74ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.19ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 89.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 609806.49ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 89.4MB in the beginning and 319.5MB in the end (delta: -230.1MB). Peak memory consumption was 938.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:53:24,872 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:53:24,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/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_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/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_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/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_96ba8671-4063-49e0-9dab-f2feca5eff55/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 b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:53:26,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:53:26,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:53:26,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:53:26,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:53:26,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:53:26,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:53:26,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:53:26,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:53:26,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:53:26,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:53:26,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:53:26,831 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:53:26,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:53:26,831 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:53:26,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:53:26,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:53:26,831 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:26,831 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:53:26,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:53:26,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:53:26,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:53:26,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:53:26,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:53:26,832 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:53:26,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:26,832 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:53:26,832 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_96ba8671-4063-49e0-9dab-f2feca5eff55/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 -> b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 [2024-12-05 23:53:27,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:53:27,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:53:27,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:53:27,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:53:27,079 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:53:27,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/ifeqn4.c [2024-12-05 23:53:29,771 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data/993a88c94/712f634620ae4936baeb295791a71559/FLAG9eb0e2f3b [2024-12-05 23:53:29,954 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:53:29,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/sv-benchmarks/c/array-fpi/ifeqn4.c [2024-12-05 23:53:29,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data/993a88c94/712f634620ae4936baeb295791a71559/FLAG9eb0e2f3b [2024-12-05 23:53:29,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/data/993a88c94/712f634620ae4936baeb295791a71559 [2024-12-05 23:53:29,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:53:29,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:53:29,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:53:29,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:53:29,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:53:29,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:53:29" (1/1) ... [2024-12-05 23:53:29,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbd788d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:29, skipping insertion in model container [2024-12-05 23:53:29,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:53:29" (1/1) ... [2024-12-05 23:53:30,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:53:30,135 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_96ba8671-4063-49e0-9dab-f2feca5eff55/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2024-12-05 23:53:30,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:53:30,171 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:53:30,180 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_96ba8671-4063-49e0-9dab-f2feca5eff55/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2024-12-05 23:53:30,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:53:30,204 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:53:30,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30 WrapperNode [2024-12-05 23:53:30,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:53:30,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:53:30,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:53:30,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:53:30,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,236 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-12-05 23:53:30,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:53:30,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:53:30,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:53:30,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:53:30,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:53:30,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:53:30,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:53:30,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:53:30,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:53:30,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:53:30,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:53:30,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:53:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:53:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:53:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-05 23:53:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:53:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:53:30,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:53:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-05 23:53:30,386 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:53:30,388 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:53:30,665 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 23:53:30,665 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:53:30,746 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:53:30,746 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 23:53:30,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:30 BoogieIcfgContainer [2024-12-05 23:53:30,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:53:30,748 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:53:30,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:53:30,756 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:53:30,756 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:30" (1/1) ... [2024-12-05 23:53:30,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:53:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-05 23:53:30,801 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-05 23:53:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:53:30,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:30,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:30,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:30,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:30,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:53:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:30,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:30,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:53:30,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:31,056 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 23:53:31,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:53:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 23:53:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 23:53:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:53:31,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:31,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:31,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:31,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:31,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:53:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:31,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:31,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:53:31,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:31,440 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 23:53:31,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:53:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-05 23:53:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-05 23:53:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:53:31,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:31,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:31,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:31,670 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:31,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:53:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:31,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:31,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:53:31,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:53:32,065 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 23:53:32,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:53:32,219 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 23:53:32,255 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 23:53:32,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:53:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2024-12-05 23:53:33,501 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2024-12-05 23:53:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:53:33,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:33,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:33,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:33,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:33,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:53:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:33,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:33,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:53:33,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:33,981 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 23:53:33,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 23:53:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2024-12-05 23:53:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2024-12-05 23:53:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:53:35,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:35,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:35,236 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:35,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:53:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:35,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:35,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:53:35,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:53:35,710 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 23:53:35,882 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 23:53:35,882 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 23:53:36,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:53:36,382 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 23:53:36,401 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 23:53:36,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:53:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2024-12-05 23:53:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2024-12-05 23:53:39,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:53:39,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:39,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:39,049 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:39,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:53:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:39,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:39,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:53:39,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:39,841 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 23:53:39,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:53:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 26 states and 53 transitions. [2024-12-05 23:53:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 53 transitions. [2024-12-05 23:53:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:53:42,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:42,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:42,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:42,931 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:42,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:53:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:43,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:43,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:53:43,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:43,442 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 23:53:43,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:53:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2024-12-05 23:53:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2024-12-05 23:53:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:53:45,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:45,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:45,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:45,351 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:45,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:53:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:45,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:45,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:53:45,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:53:45,923 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 23:53:45,972 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 23:53:45,972 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 23:53:46,344 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 23:53:46,344 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 23:53:47,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:53:47,603 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 23:53:47,617 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 23:53:47,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:53:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 31 states and 64 transitions. [2024-12-05 23:53:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 64 transitions. [2024-12-05 23:53:50,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:53:50,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:50,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:50,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:50,770 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:50,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:53:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:50,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:51,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:53:51,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 23:53:51,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:53:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 64 transitions. [2024-12-05 23:53:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 64 transitions. [2024-12-05 23:53:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:53:54,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:54,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:54,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:54,326 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:54,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:53:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:54,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:54,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:53:54,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:56,223 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 23:53:56,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:54:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2024-12-05 23:54:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2024-12-05 23:54:03,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:54:03,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:03,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:03,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:03,899 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:03,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:54:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:04,842 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:04,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 23:54:04,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:04,945 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 23:54:05,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:54:05,287 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 23:54:05,638 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 48 treesize of output 35 [2024-12-05 23:54:06,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:54:06,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 55 [2024-12-05 23:54:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:54:07,096 INFO L349 Elim1Store]: treesize reduction 40, result has 14.9 percent of original size [2024-12-05 23:54:07,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 69 treesize of output 84 [2024-12-05 23:54:09,229 INFO L349 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2024-12-05 23:54:09,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 105 treesize of output 65 [2024-12-05 23:54:09,248 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 23:54:09,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:54:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 47 states and 100 transitions. [2024-12-05 23:54:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 100 transitions. [2024-12-05 23:54:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:54:27,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:27,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:27,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:27,197 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:27,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:54:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:27,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:27,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:54:27,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:54:28,191 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 23:54:28,223 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 23:54:28,224 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 23:54:28,588 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 23:54:28,588 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 23:54:29,517 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-12-05 23:54:29,518 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 211 treesize of output 183 [2024-12-05 23:54:32,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:54:32,922 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 453 treesize of output 277 [2024-12-05 23:54:32,941 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 23:54:32,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 23:54:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 48 states and 104 transitions. [2024-12-05 23:54:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 104 transitions. [2024-12-05 23:54:41,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:54:41,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:41,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:41,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:41,826 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:41,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:54:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:42,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:42,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:54:42,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:54:44,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:54:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 101 transitions. [2024-12-05 23:54:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2024-12-05 23:54:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:54:49,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:49,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:49,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:49,067 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:49,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:54:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:49,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:49,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:54:49,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:54:49,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:54:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:54:51,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 49 states and 102 transitions. [2024-12-05 23:54:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 102 transitions. [2024-12-05 23:54:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:54:51,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:54:51,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:54:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:54:51,626 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:54:51,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:54:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:51,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:54:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:54:51,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:54:51,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:55,173 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 23:54:55,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:55:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2024-12-05 23:55:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2024-12-05 23:55:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:55:12,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:55:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:55:12,356 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:55:12,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:55:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:13,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:55:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:14,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 23:55:14,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:14,049 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 23:55:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:14,090 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 23:55:14,139 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 48 treesize of output 35 [2024-12-05 23:55:14,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 59 [2024-12-05 23:55:16,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:16,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 78 [2024-12-05 23:55:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:17,368 INFO L349 Elim1Store]: treesize reduction 62, result has 19.5 percent of original size [2024-12-05 23:55:17,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 90 treesize of output 111 [2024-12-05 23:55:18,168 INFO L349 Elim1Store]: treesize reduction 56, result has 11.1 percent of original size [2024-12-05 23:55:18,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 150 treesize of output 145 [2024-12-05 23:55:21,993 INFO L349 Elim1Store]: treesize reduction 37, result has 9.8 percent of original size [2024-12-05 23:55:21,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 186 treesize of output 98 [2024-12-05 23:55:22,006 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 23:55:22,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:55:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2024-12-05 23:55:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-12-05 23:55:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:55:34,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:34,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:55:34,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:55:34,978 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:55:34,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:55:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:35,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:55:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:35,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 23:55:35,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:38,892 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 23:55:39,633 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-05 23:55:39,633 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 23:55:40,623 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-05 23:55:40,624 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 23:55:42,569 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-12-05 23:55:42,569 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 255 treesize of output 195 [2024-12-05 23:55:45,169 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2024-12-05 23:55:45,169 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 315 treesize of output 243 [2024-12-05 23:55:51,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:51,352 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 333 treesize of output 213 [2024-12-05 23:55:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:55:51,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 23:56:12,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:56:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 66 states and 134 transitions. [2024-12-05 23:56:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 134 transitions. [2024-12-05 23:56:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:56:20,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:20,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:20,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:56:20,860 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:56:20,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:56:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:21,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:56:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:21,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:56:21,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:22,465 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 23:56:22,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 23:56:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 147 transitions. [2024-12-05 23:56:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 147 transitions. [2024-12-05 23:56:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:56:39,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:39,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:39,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:56:39,493 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:56:39,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 23:56:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:39,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:56:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:39,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:56:39,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:56:46,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 23:57:10,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:10,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2024-12-05 23:57:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2024-12-05 23:57:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:57:10,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:10,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:10,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:57:10,136 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:57:10,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 23:57:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:10,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:57:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:10,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:57:10,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:57:16,932 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 23:57:16,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 23:57:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 77 states and 153 transitions. [2024-12-05 23:57:30,260 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions. [2024-12-05 23:57:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:57:30,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:30,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:57:30,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:57:30,262 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:57:30,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba8671-4063-49e0-9dab-f2feca5eff55/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 23:57:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:32,940 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:57:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:33,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 23:57:33,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:57:33,134 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 23:57:33,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:57:33,175 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 23:57:33,239 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 48 treesize of output 35 [2024-12-05 23:57:34,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 57 [2024-12-05 23:57:35,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 29 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 86