./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn3.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_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/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_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/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_23e3f9b2-e5bd-414a-a679-70052063d7ba/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 b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:42:08,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:42:08,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:42:08,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:42:08,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:42:08,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:42:08,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:42:08,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:42:08,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:42:08,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:42:08,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:42:08,371 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:42:08,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:42:08,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:42:08,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:42:08,372 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:42:08,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:42:08,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:42:08,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:42:08,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:42:08,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:42:08,372 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:42:08,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:42:08,373 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_23e3f9b2-e5bd-414a-a679-70052063d7ba/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 -> b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 [2024-12-06 00:42:08,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:42:08,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:42:08,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:42:08,596 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:42:08,596 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:42:08,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/eqn3.c [2024-12-06 00:42:11,213 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data/045c6414c/07141eb79755472b915261fbbc8880ac/FLAGa6cfc3936 [2024-12-06 00:42:11,388 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:42:11,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/sv-benchmarks/c/array-fpi/eqn3.c [2024-12-06 00:42:11,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data/045c6414c/07141eb79755472b915261fbbc8880ac/FLAGa6cfc3936 [2024-12-06 00:42:11,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data/045c6414c/07141eb79755472b915261fbbc8880ac [2024-12-06 00:42:11,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:42:11,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:42:11,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:42:11,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:42:11,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:42:11,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:11,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442ed381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11, skipping insertion in model container [2024-12-06 00:42:11,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:11,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:42:11,901 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_23e3f9b2-e5bd-414a-a679-70052063d7ba/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2024-12-06 00:42:11,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:42:11,931 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:42:11,942 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_23e3f9b2-e5bd-414a-a679-70052063d7ba/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2024-12-06 00:42:11,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:42:11,963 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:42:11,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11 WrapperNode [2024-12-06 00:42:11,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:42:11,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:42:11,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:42:11,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:42:11,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:11,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:11,987 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-12-06 00:42:11,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:42:11,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:42:11,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:42:11,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:42:11,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:11,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:11,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:11,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:12,000 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:12,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:12,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:12,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:12,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:12,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:42:12,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:42:12,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:42:12,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:42:12,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:11" (1/1) ... [2024-12-06 00:42:12,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:42:12,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:42:12,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:42:12,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:42:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:42:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:42:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:42:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:42:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:42:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:42:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:42:12,104 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:42:12,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:42:12,228 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 00:42:12,228 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:42:12,277 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:42:12,277 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:42:12,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:42:12 BoogieIcfgContainer [2024-12-06 00:42:12,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:42:12,278 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:42:12,279 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:42:12,289 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:42:12,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:42:12" (1/1) ... [2024-12-06 00:42:12,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:42:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:12,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-06 00:42:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-06 00:42:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:42:12,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:12,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:12,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:42:12,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:12,600 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:42:12,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:42:12,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:12,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:12,684 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:12,685 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2024-12-06 00:42:12,737 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 16 treesize of output 5 [2024-12-06 00:42:12,740 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 5 treesize of output 3 [2024-12-06 00:42:12,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:12,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2024-12-06 00:42:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2024-12-06 00:42:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2024-12-06 00:42:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:42:12,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:12,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2024-12-06 00:42:13,330 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2024-12-06 00:42:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:42:13,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:13,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:13,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 19 states and 44 transitions. [2024-12-06 00:42:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 44 transitions. [2024-12-06 00:42:13,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:42:13,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:13,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:13,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:42:13,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:13,787 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 [2024-12-06 00:42:13,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:42:13,797 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 14 treesize of output 14 [2024-12-06 00:42:13,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:13,842 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 16 treesize of output 11 [2024-12-06 00:42:13,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-06 00:42:13,890 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:13,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2024-12-06 00:42:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:14,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 21 states and 50 transitions. [2024-12-06 00:42:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 50 transitions. [2024-12-06 00:42:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:42:14,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:14,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:42:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 20 states and 44 transitions. [2024-12-06 00:42:14,373 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 44 transitions. [2024-12-06 00:42:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:42:14,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:14,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:14,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 24 states and 52 transitions. [2024-12-06 00:42:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 52 transitions. [2024-12-06 00:42:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:42:14,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:14,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:15,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 27 states and 63 transitions. [2024-12-06 00:42:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 63 transitions. [2024-12-06 00:42:15,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:42:15,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:15,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 31 states and 77 transitions. [2024-12-06 00:42:16,344 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 77 transitions. [2024-12-06 00:42:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:42:16,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:16,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 00:42:16,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:16,522 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:42:16,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:42:16,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:42:16,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2024-12-06 00:42:16,571 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:16,572 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-12-06 00:42:16,586 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 0 case distinctions, treesize of input 31 treesize of output 12 [2024-12-06 00:42:16,604 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 [2024-12-06 00:42:16,660 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 16 treesize of output 11 [2024-12-06 00:42:16,671 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 16 treesize of output 11 [2024-12-06 00:42:16,693 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 [2024-12-06 00:42:16,743 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 [2024-12-06 00:42:16,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:16,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2024-12-06 00:42:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 33 states and 81 transitions. [2024-12-06 00:42:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 81 transitions. [2024-12-06 00:42:17,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:42:17,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:17,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:17,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:42:17,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:17,354 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 [2024-12-06 00:42:17,364 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 27 treesize of output 15 [2024-12-06 00:42:17,440 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:17,440 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 21 [2024-12-06 00:42:17,515 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:17,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:42:17,866 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:42:17,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 30 [2024-12-06 00:42:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:20,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2024-12-06 00:42:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2024-12-06 00:42:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:42:20,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:20,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 44 states and 113 transitions. [2024-12-06 00:42:20,971 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 113 transitions. [2024-12-06 00:42:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:42:20,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:20,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:21,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 47 states and 127 transitions. [2024-12-06 00:42:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 127 transitions. [2024-12-06 00:42:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:42:21,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:21,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:42:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 47 states and 125 transitions. [2024-12-06 00:42:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 125 transitions. [2024-12-06 00:42:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:42:22,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:22,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:22,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 00:42:22,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:22,380 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:42:22,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:42:22,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:22,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:22,421 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:22,422 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2024-12-06 00:42:22,436 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:42:22,437 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 21 treesize of output 5 [2024-12-06 00:42:22,438 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 5 treesize of output 3 [2024-12-06 00:42:22,447 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 [2024-12-06 00:42:22,483 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 16 treesize of output 11 [2024-12-06 00:42:22,544 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 16 treesize of output 11 [2024-12-06 00:42:22,552 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 16 treesize of output 11 [2024-12-06 00:42:22,563 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 [2024-12-06 00:42:22,574 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 [2024-12-06 00:42:22,642 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 [2024-12-06 00:42:22,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:22,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2024-12-06 00:42:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 49 states and 130 transitions. [2024-12-06 00:42:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 130 transitions. [2024-12-06 00:42:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:42:23,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:23,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:23,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 00:42:23,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:23,481 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 [2024-12-06 00:42:23,486 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 27 treesize of output 15 [2024-12-06 00:42:23,503 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:23,503 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 21 [2024-12-06 00:42:23,598 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:23,598 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 21 [2024-12-06 00:42:23,626 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:23,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:42:23,747 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:23,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:42:23,836 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:42:23,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 30 [2024-12-06 00:42:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:24,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 52 states and 137 transitions. [2024-12-06 00:42:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 137 transitions. [2024-12-06 00:42:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:42:24,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:24,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:42:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 52 states and 133 transitions. [2024-12-06 00:42:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 133 transitions. [2024-12-06 00:42:25,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:42:25,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:25,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 56 states and 142 transitions. [2024-12-06 00:42:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 142 transitions. [2024-12-06 00:42:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:42:26,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:26,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 59 states and 159 transitions. [2024-12-06 00:42:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 159 transitions. [2024-12-06 00:42:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:42:28,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:28,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 60 states and 161 transitions. [2024-12-06 00:42:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 161 transitions. [2024-12-06 00:42:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:42:28,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:28,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 50 states and 109 transitions. [2024-12-06 00:42:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 109 transitions. [2024-12-06 00:42:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:42:29,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:29,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:42:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 123 transitions. [2024-12-06 00:42:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 123 transitions. [2024-12-06 00:42:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:42:32,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:32,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:32,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 00:42:32,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:32,890 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 [2024-12-06 00:42:32,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:42:32,898 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 14 treesize of output 14 [2024-12-06 00:42:32,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:33,023 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 16 treesize of output 11 [2024-12-06 00:42:33,138 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 16 treesize of output 11 [2024-12-06 00:42:33,227 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 16 treesize of output 11 [2024-12-06 00:42:33,330 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 16 treesize of output 11 [2024-12-06 00:42:33,513 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 [2024-12-06 00:42:33,613 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 [2024-12-06 00:42:33,713 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 [2024-12-06 00:42:33,801 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 [2024-12-06 00:42:33,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:33,903 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 32 treesize of output 20 [2024-12-06 00:42:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 62 states and 135 transitions. [2024-12-06 00:42:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 135 transitions. [2024-12-06 00:42:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:42:36,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:36,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:37,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 00:42:37,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:37,110 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:42:37,111 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:42:37,120 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 [2024-12-06 00:42:37,134 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:37,134 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 21 [2024-12-06 00:42:37,149 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:37,149 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 21 [2024-12-06 00:42:37,294 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:37,295 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 21 [2024-12-06 00:42:37,317 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:37,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:42:37,332 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:37,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:42:37,474 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:37,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:42:37,542 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:42:37,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 30 [2024-12-06 00:42:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:39,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 65 states and 141 transitions. [2024-12-06 00:42:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 141 transitions. [2024-12-06 00:42:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:42:39,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:39,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 69 states and 151 transitions. [2024-12-06 00:42:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 151 transitions. [2024-12-06 00:42:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:42:41,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:41,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 157 transitions. [2024-12-06 00:42:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 157 transitions. [2024-12-06 00:42:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:42:43,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:43,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 72 states and 160 transitions. [2024-12-06 00:42:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 160 transitions. [2024-12-06 00:42:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:42:44,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:44,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:44,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 00:42:44,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:44,742 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:42:44,742 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:42:44,755 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 [2024-12-06 00:42:44,768 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:44,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:42:44,944 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:42:44,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 00:42:45,306 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:42:45,307 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 [2024-12-06 00:42:45,482 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-06 00:42:45,482 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 [2024-12-06 00:42:46,569 INFO L349 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2024-12-06 00:42:46,569 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 67 treesize of output 39 [2024-12-06 00:42:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 82 states and 183 transitions. [2024-12-06 00:42:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 183 transitions. [2024-12-06 00:42:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:42:54,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:54,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:55,058 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:42:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 82 states and 181 transitions. [2024-12-06 00:42:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 181 transitions. [2024-12-06 00:42:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:42:55,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:56,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 00:42:56,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:56,711 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:42:56,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:42:56,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:56,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:42:56,764 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 0 case distinctions, treesize of input 31 treesize of output 14 [2024-12-06 00:42:56,778 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:56,779 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-12-06 00:42:56,789 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 [2024-12-06 00:42:56,798 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 16 treesize of output 11 [2024-12-06 00:42:56,807 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 16 treesize of output 11 [2024-12-06 00:42:56,818 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 16 treesize of output 11 [2024-12-06 00:42:56,962 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 16 treesize of output 11 [2024-12-06 00:42:56,972 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 16 treesize of output 11 [2024-12-06 00:42:56,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-06 00:42:56,992 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 [2024-12-06 00:42:57,004 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 [2024-12-06 00:42:57,012 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 [2024-12-06 00:42:57,143 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 [2024-12-06 00:42:57,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:57,159 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 32 treesize of output 20 [2024-12-06 00:42:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:58,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 83 states and 181 transitions. [2024-12-06 00:42:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 181 transitions. [2024-12-06 00:42:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:42:58,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:00,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 00:43:00,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:00,025 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 [2024-12-06 00:43:00,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:43:00,031 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 14 treesize of output 14 [2024-12-06 00:43:00,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:43:00,041 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 16 treesize of output 11 [2024-12-06 00:43:00,055 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 16 treesize of output 11 [2024-12-06 00:43:00,062 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 16 treesize of output 11 [2024-12-06 00:43:00,073 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 16 treesize of output 11 [2024-12-06 00:43:00,083 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 16 treesize of output 11 [2024-12-06 00:43:00,099 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 [2024-12-06 00:43:00,106 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 [2024-12-06 00:43:00,115 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 23 treesize of output 11 [2024-12-06 00:43:00,126 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 [2024-12-06 00:43:00,133 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 [2024-12-06 00:43:00,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:43:00,148 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 32 treesize of output 20 [2024-12-06 00:43:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 84 states and 184 transitions. [2024-12-06 00:43:00,708 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 184 transitions. [2024-12-06 00:43:00,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:43:00,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:00,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:01,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 00:43:01,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:01,520 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:43:01,520 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:43:01,533 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 [2024-12-06 00:43:01,551 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:01,552 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 21 [2024-12-06 00:43:01,571 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:01,571 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 21 [2024-12-06 00:43:01,592 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:01,592 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 21 [2024-12-06 00:43:01,808 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:01,808 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 21 [2024-12-06 00:43:01,840 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:01,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:43:01,858 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:01,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:43:01,879 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:01,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:43:02,082 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:02,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:43:02,142 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:43:02,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 30 [2024-12-06 00:43:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 88 states and 188 transitions. [2024-12-06 00:43:06,257 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 188 transitions. [2024-12-06 00:43:06,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:43:06,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:06,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:43:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 88 states and 184 transitions. [2024-12-06 00:43:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 184 transitions. [2024-12-06 00:43:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:43:07,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 193 transitions. [2024-12-06 00:43:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 193 transitions. [2024-12-06 00:43:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:43:09,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:09,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 96 states and 207 transitions. [2024-12-06 00:43:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 207 transitions. [2024-12-06 00:43:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:43:12,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:12,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 101 states and 221 transitions. [2024-12-06 00:43:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 221 transitions. [2024-12-06 00:43:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:43:16,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:16,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:16,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-06 00:43:16,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:17,008 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:43:17,008 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:43:17,017 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 [2024-12-06 00:43:17,033 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:17,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:43:17,052 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:17,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 00:43:17,294 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:17,294 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 40 treesize of output 48 [2024-12-06 00:43:17,909 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:43:17,910 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 [2024-12-06 00:43:18,175 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-06 00:43:18,176 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 [2024-12-06 00:43:18,447 INFO L349 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2024-12-06 00:43:18,448 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 [2024-12-06 00:43:19,807 INFO L349 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2024-12-06 00:43:19,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 74 treesize of output 42 [2024-12-06 00:43:19,811 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 104 states and 227 transitions. [2024-12-06 00:43:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 227 transitions. [2024-12-06 00:43:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:43:27,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:27,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:28,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-06 00:43:28,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:28,288 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:43:28,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:43:28,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:43:28,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:43:28,334 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 0 case distinctions, treesize of input 31 treesize of output 14 [2024-12-06 00:43:28,344 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:43:28,344 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-12-06 00:43:28,355 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 [2024-12-06 00:43:28,364 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 16 treesize of output 11 [2024-12-06 00:43:28,375 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 16 treesize of output 11 [2024-12-06 00:43:28,387 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 16 treesize of output 11 [2024-12-06 00:43:28,399 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 16 treesize of output 11 [2024-12-06 00:43:28,660 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 16 treesize of output 11 [2024-12-06 00:43:28,667 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 16 treesize of output 11 [2024-12-06 00:43:28,680 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 [2024-12-06 00:43:28,689 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 [2024-12-06 00:43:28,699 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 [2024-12-06 00:43:28,709 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 [2024-12-06 00:43:28,719 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 [2024-12-06 00:43:28,947 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 [2024-12-06 00:43:28,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:43:28,965 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 32 treesize of output 20 [2024-12-06 00:43:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:30,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 106 states and 230 transitions. [2024-12-06 00:43:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 230 transitions. [2024-12-06 00:43:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:43:30,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:30,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:31,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-06 00:43:31,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:31,114 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 [2024-12-06 00:43:31,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:43:31,121 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 14 treesize of output 14 [2024-12-06 00:43:31,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:43:31,130 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 16 treesize of output 11 [2024-12-06 00:43:31,137 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 16 treesize of output 11 [2024-12-06 00:43:31,364 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 16 treesize of output 11 [2024-12-06 00:43:31,608 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 16 treesize of output 11 [2024-12-06 00:43:31,838 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 16 treesize of output 11 [2024-12-06 00:43:31,844 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 16 treesize of output 11 [2024-12-06 00:43:31,855 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 [2024-12-06 00:43:31,862 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 [2024-12-06 00:43:31,869 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 [2024-12-06 00:43:32,081 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 [2024-12-06 00:43:32,338 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 [2024-12-06 00:43:32,564 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 [2024-12-06 00:43:32,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:43:32,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2024-12-06 00:43:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 108 states and 235 transitions. [2024-12-06 00:43:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 235 transitions. [2024-12-06 00:43:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:43:35,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:35,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 00:43:40,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 116 states and 246 transitions. [2024-12-06 00:43:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 246 transitions. [2024-12-06 00:43:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:43:40,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:40,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:41,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-06 00:43:41,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:41,588 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 [2024-12-06 00:43:41,591 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 27 treesize of output 15 [2024-12-06 00:43:41,605 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:41,605 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 21 [2024-12-06 00:43:41,620 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:41,620 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 21 [2024-12-06 00:43:41,638 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:41,638 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 21 [2024-12-06 00:43:41,655 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:41,655 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 21 [2024-12-06 00:43:41,944 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:41,944 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 21 [2024-12-06 00:43:41,969 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:41,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:43:41,988 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:41,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:43:42,002 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:42,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:43:42,019 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:42,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:43:42,349 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:42,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:43:42,406 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:43:42,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 30 [2024-12-06 00:43:42,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 121 states and 254 transitions. [2024-12-06 00:43:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 254 transitions. [2024-12-06 00:43:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:43:47,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:51,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 125 states and 264 transitions. [2024-12-06 00:43:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 264 transitions. [2024-12-06 00:43:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:43:51,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:51,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:55,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 131 states and 278 transitions. [2024-12-06 00:43:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 278 transitions. [2024-12-06 00:43:55,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:43:55,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:55,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 132 states and 281 transitions. [2024-12-06 00:43:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 281 transitions. [2024-12-06 00:43:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:43:57,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:58,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-06 00:43:58,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:58,085 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:43:58,086 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:43:58,096 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 [2024-12-06 00:43:58,111 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:58,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:43:58,132 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:58,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 00:43:58,155 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:58,155 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 44 treesize of output 41 [2024-12-06 00:43:58,460 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:43:58,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 41 [2024-12-06 00:43:58,505 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:43:58,505 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 [2024-12-06 00:43:58,544 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-06 00:43:58,544 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 [2024-12-06 00:43:58,979 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:43:58,979 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 [2024-12-06 00:43:59,335 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:43:59,335 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 [2024-12-06 00:43:59,512 INFO L349 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2024-12-06 00:43:59,512 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 67 treesize of output 39 [2024-12-06 00:43:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 136 states and 287 transitions. [2024-12-06 00:44:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 287 transitions. [2024-12-06 00:44:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:44:05,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:05,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:44:06,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 136 states and 285 transitions. [2024-12-06 00:44:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 285 transitions. [2024-12-06 00:44:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:44:06,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:06,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:44:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:10,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-06 00:44:10,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:10,396 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:44:10,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:44:10,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:44:10,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:44:10,428 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 0 case distinctions, treesize of input 31 treesize of output 14 [2024-12-06 00:44:10,444 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:44:10,444 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-12-06 00:44:10,456 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 [2024-12-06 00:44:10,463 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 16 treesize of output 11 [2024-12-06 00:44:10,475 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 16 treesize of output 11 [2024-12-06 00:44:10,481 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 16 treesize of output 11 [2024-12-06 00:44:10,490 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 16 treesize of output 11 [2024-12-06 00:44:10,498 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 16 treesize of output 11 [2024-12-06 00:44:10,811 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 16 treesize of output 11 [2024-12-06 00:44:10,822 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 16 treesize of output 11 [2024-12-06 00:44:10,836 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 [2024-12-06 00:44:10,844 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 [2024-12-06 00:44:10,852 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 [2024-12-06 00:44:10,861 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 [2024-12-06 00:44:10,871 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 [2024-12-06 00:44:10,879 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 [2024-12-06 00:44:11,143 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 [2024-12-06 00:44:11,155 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:44:11,155 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 32 treesize of output 20 [2024-12-06 00:44:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 140 states and 293 transitions. [2024-12-06 00:44:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 293 transitions. [2024-12-06 00:44:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:44:15,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:15,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:44:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:17,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-06 00:44:17,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:17,596 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:44:17,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:44:17,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:44:17,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:44:17,638 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 0 case distinctions, treesize of input 31 treesize of output 14 [2024-12-06 00:44:17,647 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 [2024-12-06 00:44:17,658 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 16 treesize of output 11 [2024-12-06 00:44:17,673 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 16 treesize of output 11 [2024-12-06 00:44:17,684 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 16 treesize of output 11 [2024-12-06 00:44:17,691 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 16 treesize of output 11 [2024-12-06 00:44:17,704 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 16 treesize of output 11 [2024-12-06 00:44:17,716 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 16 treesize of output 11 [2024-12-06 00:44:17,727 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 16 treesize of output 11 [2024-12-06 00:44:17,741 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 [2024-12-06 00:44:17,754 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 [2024-12-06 00:44:17,764 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 [2024-12-06 00:44:17,772 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 [2024-12-06 00:44:17,783 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 [2024-12-06 00:44:17,794 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 [2024-12-06 00:44:17,800 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 [2024-12-06 00:44:17,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:44:17,817 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 32 treesize of output 20 [2024-12-06 00:44:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 141 states and 293 transitions. [2024-12-06 00:44:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 293 transitions. [2024-12-06 00:44:18,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:44:18,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:18,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:44:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:19,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-06 00:44:19,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:19,167 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 [2024-12-06 00:44:19,170 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 27 treesize of output 15 [2024-12-06 00:44:19,187 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:19,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:44:19,205 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:19,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 00:44:19,227 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:19,227 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 40 treesize of output 48 [2024-12-06 00:44:19,276 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:44:19,276 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 [2024-12-06 00:44:19,312 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-06 00:44:19,312 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 [2024-12-06 00:44:19,729 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-06 00:44:19,729 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 [2024-12-06 00:44:22,636 INFO L349 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2024-12-06 00:44:22,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 81 treesize of output 45 [2024-12-06 00:44:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 153 states and 317 transitions. [2024-12-06 00:44:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 317 transitions. [2024-12-06 00:44:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:44:39,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:39,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:44:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:41,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-06 00:44:41,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:41,276 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 [2024-12-06 00:44:41,284 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 27 treesize of output 15 [2024-12-06 00:44:41,299 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,299 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 21 [2024-12-06 00:44:41,314 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,314 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 21 [2024-12-06 00:44:41,331 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,331 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 21 [2024-12-06 00:44:41,346 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,346 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 21 [2024-12-06 00:44:41,363 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,363 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 21 [2024-12-06 00:44:41,731 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,732 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 21 [2024-12-06 00:44:41,759 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:44:41,778 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:44:41,793 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:44:41,811 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:44:41,824 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:41,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:44:42,171 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:44:42,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:44:42,268 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:44:42,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 30 [2024-12-06 00:44:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 159 states and 326 transitions. [2024-12-06 00:44:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 326 transitions. [2024-12-06 00:44:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:44:50,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:50,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:44:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:52,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 322 transitions. [2024-12-06 00:44:52,031 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 322 transitions. [2024-12-06 00:44:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:44:52,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 163 states and 331 transitions. [2024-12-06 00:44:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 331 transitions. [2024-12-06 00:44:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:44:58,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:58,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:45:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 167 states and 349 transitions. [2024-12-06 00:45:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 349 transitions. [2024-12-06 00:45:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:45:04,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:04,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:45:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:45:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 170 states and 353 transitions. [2024-12-06 00:45:08,678 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 353 transitions. [2024-12-06 00:45:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:45:08,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:08,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:45:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 45 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:45:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 163 states and 316 transitions. [2024-12-06 00:45:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 316 transitions. [2024-12-06 00:45:18,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:45:18,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:18,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:45:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:45:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:19,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-06 00:45:19,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:45:19,200 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 [2024-12-06 00:45:19,205 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 27 treesize of output 15 [2024-12-06 00:45:19,226 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:45:19,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:45:19,246 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:45:19,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:45:19,715 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:45:19,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:45:20,186 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:45:20,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:45:20,596 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:45:20,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:45:21,675 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:45:21,675 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 [2024-12-06 00:45:22,184 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:45:22,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-12-06 00:45:22,814 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:45:22,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:45:23,420 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:45:23,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:45:23,949 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:45:23,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:45:26,490 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:45:26,491 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 60 treesize of output 36 [2024-12-06 00:45:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:45:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 176 states and 344 transitions. [2024-12-06 00:45:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 344 transitions. [2024-12-06 00:45:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:45:56,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:45:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:45:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:58,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-06 00:45:58,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:45:58,771 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:45:58,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:45:58,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:45:58,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:45:58,796 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 0 case distinctions, treesize of input 31 treesize of output 14 [2024-12-06 00:45:58,869 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:45:58,869 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-12-06 00:45:58,884 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 [2024-12-06 00:45:58,893 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 16 treesize of output 11 [2024-12-06 00:45:58,910 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 16 treesize of output 11 [2024-12-06 00:45:58,916 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 16 treesize of output 11 [2024-12-06 00:45:58,931 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 16 treesize of output 11 [2024-12-06 00:45:58,936 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 16 treesize of output 11 [2024-12-06 00:45:58,948 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 16 treesize of output 11 [2024-12-06 00:45:59,348 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 16 treesize of output 11 [2024-12-06 00:45:59,357 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 16 treesize of output 11 [2024-12-06 00:45:59,368 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 [2024-12-06 00:45:59,376 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 [2024-12-06 00:45:59,386 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 [2024-12-06 00:45:59,396 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 [2024-12-06 00:45:59,403 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 [2024-12-06 00:45:59,414 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 [2024-12-06 00:45:59,424 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 [2024-12-06 00:45:59,866 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 [2024-12-06 00:45:59,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:45:59,879 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 32 treesize of output 20 [2024-12-06 00:45:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 179 states and 347 transitions. [2024-12-06 00:46:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 347 transitions. [2024-12-06 00:46:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:46:05,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:05,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:10,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-06 00:46:10,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:10,197 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:46:10,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:46:10,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:46:10,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:46:10,238 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 0 case distinctions, treesize of input 31 treesize of output 12 [2024-12-06 00:46:10,247 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 [2024-12-06 00:46:10,255 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 16 treesize of output 11 [2024-12-06 00:46:10,263 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 16 treesize of output 11 [2024-12-06 00:46:10,273 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 16 treesize of output 11 [2024-12-06 00:46:10,285 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 16 treesize of output 11 [2024-12-06 00:46:10,295 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 16 treesize of output 11 [2024-12-06 00:46:10,736 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 16 treesize of output 11 [2024-12-06 00:46:11,193 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 16 treesize of output 11 [2024-12-06 00:46:11,198 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 16 treesize of output 11 [2024-12-06 00:46:11,209 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 [2024-12-06 00:46:11,216 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 [2024-12-06 00:46:11,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-06 00:46:11,231 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 [2024-12-06 00:46:11,238 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 [2024-12-06 00:46:11,242 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 [2024-12-06 00:46:11,678 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 [2024-12-06 00:46:12,219 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 [2024-12-06 00:46:12,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:46:12,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2024-12-06 00:46:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 181 states and 350 transitions. [2024-12-06 00:46:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 350 transitions. [2024-12-06 00:46:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:46:16,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:16,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:21,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-06 00:46:21,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:21,806 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:46:21,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:46:21,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:46:21,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:46:21,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2024-12-06 00:46:21,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:46:21,843 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 0 case distinctions, treesize of input 31 treesize of output 12 [2024-12-06 00:46:21,849 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:46:21,849 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-12-06 00:46:21,862 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 [2024-12-06 00:46:21,874 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 16 treesize of output 11 [2024-12-06 00:46:21,882 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 16 treesize of output 11 [2024-12-06 00:46:21,895 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 16 treesize of output 11 [2024-12-06 00:46:21,905 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 16 treesize of output 11 [2024-12-06 00:46:21,915 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 16 treesize of output 11 [2024-12-06 00:46:21,922 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 16 treesize of output 11 [2024-12-06 00:46:21,934 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 16 treesize of output 11 [2024-12-06 00:46:21,943 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 16 treesize of output 11 [2024-12-06 00:46:21,959 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 [2024-12-06 00:46:22,025 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 [2024-12-06 00:46:22,033 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 [2024-12-06 00:46:22,042 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 [2024-12-06 00:46:22,053 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 [2024-12-06 00:46:22,061 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 [2024-12-06 00:46:22,071 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 [2024-12-06 00:46:22,077 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 [2024-12-06 00:46:22,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:46:22,089 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 32 treesize of output 20 [2024-12-06 00:46:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 183 states and 355 transitions. [2024-12-06 00:46:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 355 transitions. [2024-12-06 00:46:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:46:24,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:24,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:25,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-06 00:46:25,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:25,131 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:46:25,131 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:46:25,144 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 [2024-12-06 00:46:25,158 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:25,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:46:25,177 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:25,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 00:46:25,198 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:25,198 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 40 treesize of output 48 [2024-12-06 00:46:25,713 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:25,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2024-12-06 00:46:25,759 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:46:25,759 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 [2024-12-06 00:46:25,795 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-06 00:46:25,795 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 [2024-12-06 00:46:25,829 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-06 00:46:25,829 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 [2024-12-06 00:46:26,397 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-06 00:46:26,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 81 [2024-12-06 00:46:26,705 INFO L349 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2024-12-06 00:46:26,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 81 treesize of output 45 [2024-12-06 00:46:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 187 states and 361 transitions. [2024-12-06 00:46:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 361 transitions. [2024-12-06 00:46:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:46:34,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:34,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:38,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-12-06 00:46:38,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:38,874 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:46:38,874 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:46:38,887 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 [2024-12-06 00:46:38,899 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:38,899 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 21 [2024-12-06 00:46:38,914 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:38,914 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 21 [2024-12-06 00:46:38,932 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:38,932 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 21 [2024-12-06 00:46:38,945 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:38,945 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 21 [2024-12-06 00:46:38,956 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:38,957 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 21 [2024-12-06 00:46:38,974 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:38,974 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 21 [2024-12-06 00:46:39,481 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:39,481 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 21 [2024-12-06 00:46:39,506 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:39,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:46:39,522 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:39,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:46:39,541 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:39,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:46:39,554 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:39,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:46:39,569 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:39,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:46:39,585 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:39,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:46:40,154 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:46:40,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:46:40,226 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:46:40,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 30 [2024-12-06 00:46:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 194 states and 371 transitions. [2024-12-06 00:46:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 371 transitions. [2024-12-06 00:46:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:46:51,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:51,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 198 states and 381 transitions. [2024-12-06 00:46:58,801 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 381 transitions. [2024-12-06 00:46:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:46:58,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:58,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:47:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 200 states and 387 transitions. [2024-12-06 00:47:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 387 transitions. [2024-12-06 00:47:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:47:06,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:06,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:47:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 201 states and 390 transitions. [2024-12-06 00:47:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 390 transitions. [2024-12-06 00:47:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:47:09,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:09,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 36 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:47:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 204 states and 394 transitions. [2024-12-06 00:47:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 394 transitions. [2024-12-06 00:47:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:47:18,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:18,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:47:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 215 states and 408 transitions. [2024-12-06 00:47:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 408 transitions. [2024-12-06 00:47:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:47:33,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:47:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:36,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-06 00:47:36,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:47:36,753 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 [2024-12-06 00:47:36,757 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 27 treesize of output 15 [2024-12-06 00:47:36,775 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:47:36,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:47:36,793 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:47:36,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:47:36,813 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:47:36,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:47:36,838 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:47:36,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:47:36,857 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:47:36,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:47:37,446 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:47:37,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:47:37,485 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:47:37,485 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 [2024-12-06 00:47:37,511 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:47:37,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-12-06 00:47:37,531 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:47:37,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:47:37,553 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:47:37,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:47:37,575 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:47:37,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:47:38,231 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:47:38,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:47:38,443 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:47:38,443 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 60 treesize of output 36 [2024-12-06 00:47:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:47:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 221 states and 413 transitions. [2024-12-06 00:47:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 413 transitions. [2024-12-06 00:47:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:47:53,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:53,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:47:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 221 states and 411 transitions. [2024-12-06 00:47:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 411 transitions. [2024-12-06 00:47:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:47:56,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:56,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:48:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:04,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-06 00:48:04,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:04,910 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 [2024-12-06 00:48:04,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:04,917 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 14 treesize of output 14 [2024-12-06 00:48:04,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:48:04,929 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 16 treesize of output 11 [2024-12-06 00:48:04,943 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 16 treesize of output 11 [2024-12-06 00:48:04,955 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 16 treesize of output 11 [2024-12-06 00:48:04,964 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 16 treesize of output 11 [2024-12-06 00:48:04,974 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 16 treesize of output 11 [2024-12-06 00:48:04,985 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 16 treesize of output 11 [2024-12-06 00:48:04,997 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 16 treesize of output 11 [2024-12-06 00:48:05,595 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 16 treesize of output 11 [2024-12-06 00:48:05,600 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 16 treesize of output 11 [2024-12-06 00:48:05,612 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 [2024-12-06 00:48:05,620 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 [2024-12-06 00:48:05,631 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 [2024-12-06 00:48:05,641 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 [2024-12-06 00:48:05,648 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 [2024-12-06 00:48:05,657 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 [2024-12-06 00:48:05,667 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 [2024-12-06 00:48:05,678 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 [2024-12-06 00:48:06,230 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 [2024-12-06 00:48:06,248 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:06,248 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 32 treesize of output 20 [2024-12-06 00:48:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:48:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 224 states and 418 transitions. [2024-12-06 00:48:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 418 transitions. [2024-12-06 00:48:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:48:14,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:14,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:48:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:48:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:20,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-06 00:48:20,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:20,982 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-12-06 00:48:20,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-12-06 00:48:20,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:48:20,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:48:21,020 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:21,021 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2024-12-06 00:48:21,039 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:48:21,040 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 21 treesize of output 5 [2024-12-06 00:48:21,053 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 [2024-12-06 00:48:21,239 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 16 treesize of output 11 [2024-12-06 00:48:21,253 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 16 treesize of output 11 [2024-12-06 00:48:21,267 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 16 treesize of output 11 [2024-12-06 00:48:21,279 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 16 treesize of output 11 [2024-12-06 00:48:21,286 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 16 treesize of output 11 [2024-12-06 00:48:21,298 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 16 treesize of output 11 [2024-12-06 00:48:21,310 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 16 treesize of output 11 [2024-12-06 00:48:21,319 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 16 treesize of output 11 [2024-12-06 00:48:21,330 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 16 treesize of output 11 [2024-12-06 00:48:21,346 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 [2024-12-06 00:48:21,356 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 [2024-12-06 00:48:21,363 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 [2024-12-06 00:48:21,375 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 [2024-12-06 00:48:21,384 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 [2024-12-06 00:48:21,390 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 [2024-12-06 00:48:21,400 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 [2024-12-06 00:48:21,410 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 [2024-12-06 00:48:21,418 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 [2024-12-06 00:48:21,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:21,433 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 32 treesize of output 20 [2024-12-06 00:48:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:48:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 225 states and 419 transitions. [2024-12-06 00:48:23,217 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 419 transitions. [2024-12-06 00:48:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:48:23,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:23,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:48:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:48:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:25,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-06 00:48:25,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:25,930 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 [2024-12-06 00:48:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:48:25,935 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 14 treesize of output 14 [2024-12-06 00:48:25,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:48:25,946 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 16 treesize of output 11 [2024-12-06 00:48:25,956 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 16 treesize of output 11 [2024-12-06 00:48:25,969 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 16 treesize of output 11 [2024-12-06 00:48:25,980 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 16 treesize of output 11 [2024-12-06 00:48:25,990 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 16 treesize of output 11 [2024-12-06 00:48:26,001 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 16 treesize of output 11 [2024-12-06 00:48:26,016 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 16 treesize of output 11 [2024-12-06 00:48:26,028 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 16 treesize of output 11 [2024-12-06 00:48:26,037 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 16 treesize of output 11 [2024-12-06 00:48:26,050 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 [2024-12-06 00:48:26,058 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 [2024-12-06 00:48:26,065 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 [2024-12-06 00:48:26,073 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 [2024-12-06 00:48:26,081 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 [2024-12-06 00:48:26,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-06 00:48:26,100 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 [2024-12-06 00:48:26,109 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 [2024-12-06 00:48:26,118 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 [2024-12-06 00:48:26,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:48:26,133 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 32 treesize of output 20 [2024-12-06 00:48:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:48:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 227 states and 420 transitions. [2024-12-06 00:48:29,689 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 420 transitions. [2024-12-06 00:48:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:48:29,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:29,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:48:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:48:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:31,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-06 00:48:31,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:31,282 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:48:31,282 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:48:31,292 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 [2024-12-06 00:48:31,307 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:48:31,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:48:31,320 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:48:31,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 00:48:31,436 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:48:31,436 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 3 case distinctions, treesize of input 44 treesize of output 41 [2024-12-06 00:48:32,159 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:48:32,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2024-12-06 00:48:32,867 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:48:32,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2024-12-06 00:48:34,538 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:48:34,539 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 [2024-12-06 00:48:35,276 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-06 00:48:35,276 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 [2024-12-06 00:48:36,003 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-06 00:48:36,003 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 [2024-12-06 00:48:36,860 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-06 00:48:36,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 81 [2024-12-06 00:48:37,656 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-06 00:48:37,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 81 [2024-12-06 00:48:43,062 INFO L349 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2024-12-06 00:48:43,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 81 treesize of output 45 [2024-12-06 00:48:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:49:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:16,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 235 states and 435 transitions. [2024-12-06 00:49:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 435 transitions. [2024-12-06 00:49:16,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:49:16,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:16,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:49:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:49:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:17,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-12-06 00:49:17,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:49:17,827 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 [2024-12-06 00:49:17,832 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 27 treesize of output 15 [2024-12-06 00:49:17,847 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:49:17,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:49:17,866 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:49:17,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 00:49:17,891 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:49:17,891 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 44 treesize of output 41 [2024-12-06 00:49:17,914 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:49:17,914 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 44 treesize of output 41 [2024-12-06 00:49:18,623 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:49:18,624 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 44 treesize of output 41 [2024-12-06 00:49:18,672 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:49:18,672 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 [2024-12-06 00:49:18,708 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-06 00:49:18,708 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 [2024-12-06 00:49:19,405 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:49:19,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 68 [2024-12-06 00:49:20,234 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:49:20,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 65 treesize of output 71 [2024-12-06 00:49:21,101 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:49:21,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 65 treesize of output 71 [2024-12-06 00:49:26,316 INFO L349 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2024-12-06 00:49:26,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 74 treesize of output 42 [2024-12-06 00:49:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:49:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 246 states and 461 transitions. [2024-12-06 00:49:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 461 transitions. [2024-12-06 00:49:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:49:59,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:59,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:49:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:50:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:04,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-12-06 00:50:04,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:50:04,242 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 [2024-12-06 00:50:04,250 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 27 treesize of output 15 [2024-12-06 00:50:04,262 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:04,262 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 21 [2024-12-06 00:50:04,280 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:04,280 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 21 [2024-12-06 00:50:04,297 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:04,297 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 21 [2024-12-06 00:50:04,309 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:04,309 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 21 [2024-12-06 00:50:04,325 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:04,325 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 21 [2024-12-06 00:50:04,344 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:04,344 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 21 [2024-12-06 00:50:04,364 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:04,364 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 21 [2024-12-06 00:50:05,107 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,107 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 21 [2024-12-06 00:50:05,130 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:50:05,142 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:50:05,158 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:50:05,172 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:50:05,184 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:50:05,200 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:50:05,213 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:50:05,975 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:05,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:50:06,029 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 00:50:06,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 30 [2024-12-06 00:50:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 254 states and 472 transitions. [2024-12-06 00:50:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 472 transitions. [2024-12-06 00:50:23,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:50:23,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:50:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 254 states and 468 transitions. [2024-12-06 00:50:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 468 transitions. [2024-12-06 00:50:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:50:27,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:27,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 258 states and 476 transitions. [2024-12-06 00:50:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 476 transitions. [2024-12-06 00:50:37,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:50:37,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:37,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 263 states and 486 transitions. [2024-12-06 00:50:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 486 transitions. [2024-12-06 00:50:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:50:47,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:47,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:50:52,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 264 states and 489 transitions. [2024-12-06 00:50:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 489 transitions. [2024-12-06 00:50:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:50:52,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:50:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:50:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:53,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-06 00:50:53,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:50:53,503 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:50:53,503 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:50:53,515 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 [2024-12-06 00:50:53,529 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:53,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:50:53,552 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:53,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 00:50:53,574 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:53,574 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 40 treesize of output 48 [2024-12-06 00:50:53,606 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:50:53,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2024-12-06 00:50:53,659 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:50:53,659 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 [2024-12-06 00:50:53,704 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-12-06 00:50:53,705 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 [2024-12-06 00:50:53,751 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-12-06 00:50:53,751 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 [2024-12-06 00:50:54,601 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-12-06 00:50:54,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 68 treesize of output 88 [2024-12-06 00:51:00,692 INFO L349 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2024-12-06 00:51:00,693 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 88 treesize of output 48 [2024-12-06 00:51:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 279 states and 518 transitions. [2024-12-06 00:51:38,810 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 518 transitions. [2024-12-06 00:51:38,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:51:38,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:51:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:43,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-12-06 00:51:43,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:51:43,893 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 00:51:43,894 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-12-06 00:51:43,908 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 [2024-12-06 00:51:43,920 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:51:43,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 00:51:43,935 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:51:43,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:51:43,954 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:51:43,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:51:43,969 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:51:43,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:51:43,986 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:51:43,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:51:44,006 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:51:44,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:51:44,826 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 00:51:44,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-12-06 00:51:44,858 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 00:51:44,858 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 [2024-12-06 00:51:44,881 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:51:44,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-12-06 00:51:44,903 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:51:44,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:51:44,928 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:51:44,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:51:44,951 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:51:44,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:51:44,975 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:51:44,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:51:45,833 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-12-06 00:51:45,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 00:51:45,965 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:51:45,966 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 60 treesize of output 36 [2024-12-06 00:51:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 286 states and 527 transitions. [2024-12-06 00:52:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 527 transitions. [2024-12-06 00:52:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:52:05,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:05,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:52:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:14,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-12-06 00:52:14,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:14,395 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 [2024-12-06 00:52:14,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:14,402 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 14 treesize of output 14 [2024-12-06 00:52:14,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-12-06 00:52:14,415 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 16 treesize of output 11 [2024-12-06 00:52:14,428 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 16 treesize of output 11 [2024-12-06 00:52:14,440 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 16 treesize of output 11 [2024-12-06 00:52:14,453 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 16 treesize of output 11 [2024-12-06 00:52:14,467 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 16 treesize of output 11 [2024-12-06 00:52:14,472 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 16 treesize of output 11 [2024-12-06 00:52:14,483 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 16 treesize of output 11 [2024-12-06 00:52:14,492 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 16 treesize of output 11 [2024-12-06 00:52:15,200 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 16 treesize of output 11 [2024-12-06 00:52:15,206 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 16 treesize of output 11 [2024-12-06 00:52:15,218 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 [2024-12-06 00:52:15,226 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 [2024-12-06 00:52:15,236 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 [2024-12-06 00:52:15,248 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 [2024-12-06 00:52:15,255 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 [2024-12-06 00:52:15,265 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 [2024-12-06 00:52:15,275 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 [2024-12-06 00:52:15,285 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 [2024-12-06 00:52:15,295 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 [2024-12-06 00:52:16,064 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 [2024-12-06 00:52:16,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:52:16,081 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 32 treesize of output 20 [2024-12-06 00:52:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 289 states and 530 transitions. [2024-12-06 00:52:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 530 transitions. [2024-12-06 00:52:26,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:52:26,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:26,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:52:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:52:37,196 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) [2024-12-06 00:52:37,200 INFO L158 Benchmark]: Toolchain (without parser) took 625433.20ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 117.5MB in the beginning and 479.4MB in the end (delta: -361.8MB). Peak memory consumption was 857.6MB. Max. memory is 16.1GB. [2024-12-06 00:52:37,200 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:37,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.46ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 105.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:37,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.45ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:52:37,200 INFO L158 Benchmark]: Boogie Preprocessor took 19.76ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.5MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:37,200 INFO L158 Benchmark]: RCFGBuilder took 269.03ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 88.3MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:52:37,201 INFO L158 Benchmark]: CodeCheck took 624920.87ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 88.3MB in the beginning and 479.4MB in the end (delta: -391.0MB). Peak memory consumption was 832.5MB. Max. memory is 16.1GB. [2024-12-06 00:52:37,201 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 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.46ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 105.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.45ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.76ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.5MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 269.03ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 88.3MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 624920.87ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 88.3MB in the beginning and 479.4MB in the end (delta: -391.0MB). Peak memory consumption was 832.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:52:37,406 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:52:37,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/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_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/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_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/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_23e3f9b2-e5bd-414a-a679-70052063d7ba/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 b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:52:39,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:52:39,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:52:39,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:52:39,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:52:39,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:52:39,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:52:39,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:52:39,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:52:39,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:52:39,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:52:39,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:52:39,313 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:52:39,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:52:39,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:52:39,313 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:52:39,313 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:52:39,313 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:39,314 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:52:39,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:52:39,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:39,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:52:39,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:52:39,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:52:39,314 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:52:39,314 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:39,314 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:52:39,314 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_23e3f9b2-e5bd-414a-a679-70052063d7ba/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 -> b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 [2024-12-06 00:52:39,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:52:39,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:52:39,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:52:39,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:52:39,546 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:52:39,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/eqn3.c [2024-12-06 00:52:42,171 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data/d5b67d744/d98e8895bbf34cee93a54d0d28c2ca75/FLAG6922a1728 [2024-12-06 00:52:42,393 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:52:42,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/sv-benchmarks/c/array-fpi/eqn3.c [2024-12-06 00:52:42,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data/d5b67d744/d98e8895bbf34cee93a54d0d28c2ca75/FLAG6922a1728 [2024-12-06 00:52:42,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/data/d5b67d744/d98e8895bbf34cee93a54d0d28c2ca75 [2024-12-06 00:52:42,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:52:42,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:52:42,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:42,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:52:42,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:52:42,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:42,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706eb847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42, skipping insertion in model container [2024-12-06 00:52:42,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:42,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:52:42,904 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_23e3f9b2-e5bd-414a-a679-70052063d7ba/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2024-12-06 00:52:42,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:42,937 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:52:42,945 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_23e3f9b2-e5bd-414a-a679-70052063d7ba/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2024-12-06 00:52:42,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:52:42,964 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:52:42,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42 WrapperNode [2024-12-06 00:52:42,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:52:42,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:42,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:52:42,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:52:42,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:42,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:42,990 INFO L138 Inliner]: procedures = 18, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-12-06 00:52:42,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:52:42,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:52:42,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:52:42,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:52:42,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:42,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:42,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:42,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:43,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:43,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:43,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:43,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:43,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:43,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:52:43,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:52:43,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:52:43,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:52:43,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:52:42" (1/1) ... [2024-12-06 00:52:43,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:52:43,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:52:43,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:52:43,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:52:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:52:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:52:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-06 00:52:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:52:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:52:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:52:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-06 00:52:43,122 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:52:43,123 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:52:43,358 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 00:52:43,358 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:52:43,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:52:43,420 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:52:43,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:43 BoogieIcfgContainer [2024-12-06 00:52:43,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:52:43,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:52:43,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:52:43,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:52:43,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:52:43" (1/1) ... [2024-12-06 00:52:43,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:52:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-06 00:52:43,471 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-06 00:52:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:52:43,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:43,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:43,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:43,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:52:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:43,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:43,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:52:43,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:43,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 44 [2024-12-06 00:52:43,827 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 0 case distinctions, treesize of input 44 treesize of output 27 [2024-12-06 00:52:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:43,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 17 [2024-12-06 00:52:43,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:43,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:43,867 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:52:43,885 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-12-06 00:52:43,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 17 [2024-12-06 00:52:44,031 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:52:44,031 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 [2024-12-06 00:52:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:44,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:52:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2024-12-06 00:52:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2024-12-06 00:52:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:52:44,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:44,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:44,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:44,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:44,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:52:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:44,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:44,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:52:44,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:44,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:52:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2024-12-06 00:52:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2024-12-06 00:52:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:52:45,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:45,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:45,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:45,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:45,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:52:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:45,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:45,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:52:45,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:45,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:52:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 19 states and 44 transitions. [2024-12-06 00:52:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 44 transitions. [2024-12-06 00:52:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:52:46,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:46,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:46,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:46,581 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:46,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:52:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:46,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:46,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:52:46,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:46,918 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 [2024-12-06 00:52:46,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2024-12-06 00:52:46,950 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 0 case distinctions, treesize of input 42 treesize of output 25 [2024-12-06 00:52:46,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:46,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 17 [2024-12-06 00:52:47,064 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 25 treesize of output 18 [2024-12-06 00:52:47,253 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 58 treesize of output 51 [2024-12-06 00:52:47,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 40 [2024-12-06 00:52:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:52:47,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:52:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2024-12-06 00:52:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2024-12-06 00:52:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:52:49,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:49,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:49,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:49,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:49,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:52:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:49,595 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:49,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:52:49,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:49,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 00:52:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 22 states and 45 transitions. [2024-12-06 00:52:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 45 transitions. [2024-12-06 00:52:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:52:51,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:51,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:51,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:51,482 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:51,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:52:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:51,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:52:51,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:52,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:52:54,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:54,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 25 states and 53 transitions. [2024-12-06 00:52:54,571 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 53 transitions. [2024-12-06 00:52:54,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:52:54,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:54,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:54,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:54,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:54,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:52:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:54,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:55,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:52:55,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:55,051 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 [2024-12-06 00:52:55,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2024-12-06 00:52:55,068 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:52:55,070 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2024-12-06 00:52:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:55,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 49 treesize of output 45 [2024-12-06 00:52:55,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:55,356 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 22 treesize of output 17 [2024-12-06 00:52:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:52:55,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 17 [2024-12-06 00:52:55,403 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 25 treesize of output 18 [2024-12-06 00:52:55,485 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 58 treesize of output 51 [2024-12-06 00:52:55,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 90 [2024-12-06 00:52:56,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 11 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 51 [2024-12-06 00:52:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 2 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:52:56,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:53:06,564 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification. DAG size of input: 44 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:53:07,251 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv0 32))) (.cse1 (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32))) (.cse2 (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) (.cse4 ((_ extract 63 32) (_ bv1 64))) (.cse3 ((_ extract 31 0) (_ bv1 64))) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and .cse0 (not (bvsle c_~N~0 (_ bv0 32))) (= (_ bv1 64) |c_ULTIMATE.start_main_~i~0#1|) .cse1 (not (and .cse0 .cse1 .cse2 (exists ((v_arrayElimArr_4 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_1 (Array (_ BitVec 32) (_ BitVec 32)))) (and (= ((_ extract 63 32) (_ bv6 64)) (select v_arrayElimArr_4 (_ bv4 32))) (= (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~a~0#1.base| v_arrayElimArr_4) |c_ULTIMATE.start_main_~b~0#1.base|) (_ bv0 32) .cse3) (_ bv4 32) .cse4) .cse5) (= (select v_arrayElimArr_4 (_ bv0 32)) ((_ extract 31 0) (_ bv6 64))))))) .cse2 (= (select .cse5 (_ bv4 32)) .cse4) (bvule c_~N~0 (_ bv536870911 32)) (= .cse3 (select .cse5 (_ bv0 32))))) is different from false [2024-12-06 00:53:07,550 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 (= |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv0 32))) (.cse1 (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32))) (.cse2 (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) (.cse4 ((_ extract 63 32) (_ bv1 64))) (.cse3 ((_ extract 31 0) (_ bv1 64))) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and .cse0 (not (bvsle c_~N~0 (_ bv0 32))) (= (_ bv1 64) |c_ULTIMATE.start_main_~i~0#1|) .cse1 (not (and .cse0 .cse1 .cse2 (exists ((v_arrayElimArr_4 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_1 (Array (_ BitVec 32) (_ BitVec 32)))) (and (= ((_ extract 63 32) (_ bv6 64)) (select v_arrayElimArr_4 (_ bv4 32))) (= (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~a~0#1.base| v_arrayElimArr_4) |c_ULTIMATE.start_main_~b~0#1.base|) (_ bv0 32) .cse3) (_ bv4 32) .cse4) .cse5) (= (select v_arrayElimArr_4 (_ bv0 32)) ((_ extract 31 0) (_ bv6 64))))))) .cse2 (= (select .cse5 (_ bv4 32)) .cse4) (bvule c_~N~0 (_ bv536870911 32)) (= .cse3 (select .cse5 (_ bv0 32)))))) is different from true [2024-12-06 00:53:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 27 states and 60 transitions. [2024-12-06 00:53:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 60 transitions. [2024-12-06 00:53:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:10,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:10,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:10,041 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:10,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:53:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:10,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:10,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:10,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:10,627 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:10,661 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:53:10,662 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:53:10,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 00:53:10,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:11,308 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 77 treesize of output 65 [2024-12-06 00:53:13,157 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:13,157 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 106 treesize of output 54 [2024-12-06 00:53:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:13,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:53:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 35 states and 83 transitions. [2024-12-06 00:53:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 83 transitions. [2024-12-06 00:53:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:26,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:26,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:26,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:26,587 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:26,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:53:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:26,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:26,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:53:26,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:28,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:53:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2024-12-06 00:53:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2024-12-06 00:53:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:36,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:36,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:36,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:36,365 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:36,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:53:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:36,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:37,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:37,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:37,035 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 [2024-12-06 00:53:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:37,058 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:37,065 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 25 treesize of output 18 [2024-12-06 00:53:37,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:37,163 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 77 treesize of output 65 [2024-12-06 00:53:37,808 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:37,809 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 106 treesize of output 54 [2024-12-06 00:53:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:37,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:53:37,836 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse0 (= |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv0 32))) (.cse4 (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32))) (.cse1 ((_ extract 63 32) (_ bv6 64))) (.cse3 ((_ extract 31 0) (_ bv6 64))) (.cse5 (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) (.cse7 ((_ extract 63 32) (_ bv1 64))) (.cse6 ((_ extract 31 0) (_ bv1 64))) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and .cse0 (not (bvsle c_~N~0 (_ bv0 32))) (= (_ bv1 64) |c_ULTIMATE.start_main_~i~0#1|) (= .cse1 (select .cse2 (_ bv4 32))) (= (select .cse2 (_ bv0 32)) .cse3) .cse4 (not (and .cse0 .cse4 .cse5 (exists ((v_arrayElimArr_4 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_1 (Array (_ BitVec 32) (_ BitVec 32)))) (and (= .cse1 (select v_arrayElimArr_4 (_ bv4 32))) (= (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~a~0#1.base| v_arrayElimArr_4) |c_ULTIMATE.start_main_~b~0#1.base|) (_ bv0 32) .cse6) (_ bv4 32) .cse7) .cse8) (= (select v_arrayElimArr_4 (_ bv0 32)) .cse3))))) .cse5 (= (select .cse8 (_ bv4 32)) .cse7) (bvule c_~N~0 (_ bv536870911 32)) (= .cse6 (select .cse8 (_ bv0 32))))) is different from false [2024-12-06 00:53:37,846 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv0 32))) (.cse1 (= (_ bv1 64) |c_ULTIMATE.start_main_~i~0#1|)) (.cse4 ((_ extract 63 32) (_ bv6 64))) (.cse8 ((_ extract 31 0) (_ bv6 64))) (.cse2 (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32))) (.cse3 (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) (.cse6 ((_ extract 63 32) (_ bv1 64))) (.cse5 ((_ extract 31 0) (_ bv1 64))) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and .cse0 (not (bvsle c_~N~0 (_ bv0 32))) .cse1 .cse2 (not (and .cse0 .cse2 .cse3 (exists ((v_arrayElimArr_4 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_1 (Array (_ BitVec 32) (_ BitVec 32)))) (and (= .cse4 (select v_arrayElimArr_4 (_ bv4 32))) (= (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~a~0#1.base| v_arrayElimArr_4) |c_ULTIMATE.start_main_~b~0#1.base|) (_ bv0 32) .cse5) (_ bv4 32) .cse6) .cse7) (= (select v_arrayElimArr_4 (_ bv0 32)) .cse8))))) .cse3 (not (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and .cse0 .cse1 (= .cse4 (select .cse9 (_ bv4 32))) (= (select .cse9 (_ bv0 32)) .cse8) .cse2 .cse3))) (= (select .cse7 (_ bv4 32)) .cse6) (bvule c_~N~0 (_ bv536870911 32)) (= .cse5 (select .cse7 (_ bv0 32))))) is different from false [2024-12-06 00:53:37,861 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse0 (= |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv0 32))) (.cse4 (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32))) (.cse1 ((_ extract 63 32) (_ bv6 64))) (.cse3 ((_ extract 31 0) (_ bv6 64))) (.cse5 (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) (.cse7 ((_ extract 63 32) (_ bv1 64))) (.cse6 ((_ extract 31 0) (_ bv1 64))) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and .cse0 (not (bvsle c_~N~0 (_ bv0 32))) (= (_ bv1 64) |c_ULTIMATE.start_main_~i~0#1|) (= .cse1 (select .cse2 (_ bv4 32))) (= (select .cse2 (_ bv0 32)) .cse3) .cse4 (not (and .cse0 .cse4 .cse5 (exists ((v_arrayElimArr_4 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_1 (Array (_ BitVec 32) (_ BitVec 32)))) (and (= .cse1 (select v_arrayElimArr_4 (_ bv4 32))) (= (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~a~0#1.base| v_arrayElimArr_4) |c_ULTIMATE.start_main_~b~0#1.base|) (_ bv0 32) .cse6) (_ bv4 32) .cse7) .cse8) (= (select v_arrayElimArr_4 (_ bv0 32)) .cse3))))) .cse5 (= (select .cse8 (_ bv4 32)) .cse7) (bvule c_~N~0 (_ bv536870911 32)) (= .cse6 (select .cse8 (_ bv0 32)))))) is different from true [2024-12-06 00:53:37,873 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 (= |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv0 32))) (.cse1 (= (_ bv1 64) |c_ULTIMATE.start_main_~i~0#1|)) (.cse4 ((_ extract 63 32) (_ bv6 64))) (.cse8 ((_ extract 31 0) (_ bv6 64))) (.cse2 (= |c_ULTIMATE.start_main_~a~0#1.offset| (_ bv0 32))) (.cse3 (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) (.cse6 ((_ extract 63 32) (_ bv1 64))) (.cse5 ((_ extract 31 0) (_ bv1 64))) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and .cse0 (not (bvsle c_~N~0 (_ bv0 32))) .cse1 .cse2 (not (and .cse0 .cse2 .cse3 (exists ((v_arrayElimArr_4 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_1 (Array (_ BitVec 32) (_ BitVec 32)))) (and (= .cse4 (select v_arrayElimArr_4 (_ bv4 32))) (= (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_1) |c_ULTIMATE.start_main_~a~0#1.base| v_arrayElimArr_4) |c_ULTIMATE.start_main_~b~0#1.base|) (_ bv0 32) .cse5) (_ bv4 32) .cse6) .cse7) (= (select v_arrayElimArr_4 (_ bv0 32)) .cse8))))) .cse3 (not (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and .cse0 .cse1 (= .cse4 (select .cse9 (_ bv4 32))) (= (select .cse9 (_ bv0 32)) .cse8) .cse2 .cse3))) (= (select .cse7 (_ bv4 32)) .cse6) (bvule c_~N~0 (_ bv536870911 32)) (= .cse5 (select .cse7 (_ bv0 32)))))) is different from true [2024-12-06 00:53:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:37,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:37,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:37,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:37,906 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:37,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:53:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:38,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:38,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:38,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:38,574 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:38,613 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:53:38,613 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:53:38,646 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 [2024-12-06 00:53:38,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:38,755 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 77 treesize of output 65 [2024-12-06 00:53:39,072 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:39,072 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 106 treesize of output 54 [2024-12-06 00:53:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:39,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:53:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:39,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:39,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:39,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:39,130 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:39,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:53:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:39,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:39,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:39,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:39,790 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 [2024-12-06 00:53:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:39,805 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:39,813 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 25 treesize of output 18 [2024-12-06 00:53:39,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:39,933 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 77 treesize of output 65 [2024-12-06 00:53:40,253 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:40,253 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 106 treesize of output 54 [2024-12-06 00:53:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:40,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:53:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:40,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:40,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:40,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:40,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:40,306 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:40,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:53:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:40,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:40,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:40,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:40,907 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 [2024-12-06 00:53:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:40,934 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:40,941 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 25 treesize of output 18 [2024-12-06 00:53:40,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:41,050 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 77 treesize of output 65 [2024-12-06 00:53:41,382 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:41,382 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 106 treesize of output 54 [2024-12-06 00:53:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:41,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:53:41,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:41,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:41,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:41,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:41,435 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:41,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:53:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:41,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:42,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:42,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:42,046 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 [2024-12-06 00:53:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:42,059 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:42,065 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 25 treesize of output 18 [2024-12-06 00:53:42,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:42,170 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 77 treesize of output 65 [2024-12-06 00:53:42,843 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:42,844 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 106 treesize of output 54 [2024-12-06 00:53:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:42,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:53:42,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:42,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:42,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:42,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:42,893 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:42,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:53:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:43,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:43,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:43,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:43,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:43,530 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:43,571 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:53:43,571 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:53:43,603 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 [2024-12-06 00:53:43,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:43,712 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 77 treesize of output 65 [2024-12-06 00:53:44,369 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:44,369 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 106 treesize of output 54 [2024-12-06 00:53:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:44,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:53:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:44,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:44,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:44,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:44,423 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:44,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:53:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:44,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:45,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:45,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:45,083 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 [2024-12-06 00:53:45,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:45,096 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:45,103 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 25 treesize of output 18 [2024-12-06 00:53:45,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:45,200 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 77 treesize of output 65 [2024-12-06 00:53:45,830 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:45,830 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 106 treesize of output 54 [2024-12-06 00:53:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:45,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:53:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:45,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:45,879 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:45,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:45,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:45,881 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:45,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:53:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:46,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:46,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:46,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:46,506 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 [2024-12-06 00:53:46,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:46,533 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:46,541 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 25 treesize of output 18 [2024-12-06 00:53:46,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:46,632 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 77 treesize of output 65 [2024-12-06 00:53:47,271 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:47,271 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 106 treesize of output 54 [2024-12-06 00:53:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:47,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:53:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:47,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:47,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:47,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:47,321 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:47,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:53:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:47,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:47,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:47,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:48,005 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:48,050 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:53:48,050 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:53:48,084 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 [2024-12-06 00:53:48,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:48,173 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 77 treesize of output 65 [2024-12-06 00:53:48,834 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:48,835 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 106 treesize of output 54 [2024-12-06 00:53:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:48,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:53:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:48,880 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:48,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:48,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:48,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:48,882 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:48,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:53:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:49,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:49,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:49,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:49,492 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 [2024-12-06 00:53:49,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:49,505 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:49,511 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 25 treesize of output 18 [2024-12-06 00:53:49,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:49,611 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 77 treesize of output 65 [2024-12-06 00:53:49,928 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:49,928 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 106 treesize of output 54 [2024-12-06 00:53:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:49,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:53:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:49,984 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:49,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:49,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:49,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:49,986 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:49,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:53:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:50,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:50,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:50,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:50,592 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:50,634 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:53:50,634 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:53:50,671 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 [2024-12-06 00:53:50,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:50,779 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 77 treesize of output 65 [2024-12-06 00:53:51,459 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:51,459 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 106 treesize of output 54 [2024-12-06 00:53:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:51,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 00:53:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:51,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:51,517 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:51,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:53:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:52,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:52,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:52,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:52,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:52,282 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:52,326 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:53:52,326 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:53:52,359 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 [2024-12-06 00:53:52,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:52,464 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 77 treesize of output 65 [2024-12-06 00:53:52,771 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:52,771 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 106 treesize of output 54 [2024-12-06 00:53:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:52,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:53:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:52,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:52,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:52,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:52,821 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:52,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:53:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:53,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:53,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:53,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:53,538 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 [2024-12-06 00:53:53,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:53,562 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:53,570 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 25 treesize of output 18 [2024-12-06 00:53:53,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:53,659 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 77 treesize of output 65 [2024-12-06 00:53:53,967 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:53,967 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 106 treesize of output 54 [2024-12-06 00:53:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:53,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:53:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:54,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:54,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:54,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:54,018 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:54,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:53:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:54,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:54,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:54,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:54,721 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 [2024-12-06 00:53:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:54,739 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:54,747 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 25 treesize of output 18 [2024-12-06 00:53:54,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:54,852 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 77 treesize of output 65 [2024-12-06 00:53:55,540 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:55,541 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 106 treesize of output 54 [2024-12-06 00:53:55,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:55,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:53:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:55,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:55,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:55,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:55,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:55,594 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:55,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:53:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:56,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:56,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:56,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:56,287 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 [2024-12-06 00:53:56,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:56,313 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:56,320 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 25 treesize of output 18 [2024-12-06 00:53:56,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:56,429 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 77 treesize of output 65 [2024-12-06 00:53:57,134 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:57,135 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 106 treesize of output 54 [2024-12-06 00:53:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:57,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:53:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:57,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:57,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:57,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:57,191 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:57,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:53:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:57,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:57,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:57,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:57,829 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:57,868 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:53:57,869 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:53:57,910 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 [2024-12-06 00:53:57,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:58,011 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 77 treesize of output 65 [2024-12-06 00:53:58,307 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:58,308 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 106 treesize of output 54 [2024-12-06 00:53:58,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:58,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:53:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:58,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:58,356 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:58,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:58,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:58,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:58,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:58,358 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:58,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:53:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:58,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:58,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:53:59,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:59,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:53:59,026 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:53:59,075 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:53:59,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:53:59,108 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 [2024-12-06 00:53:59,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:53:59,206 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 77 treesize of output 65 [2024-12-06 00:53:59,861 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:53:59,862 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 106 treesize of output 54 [2024-12-06 00:53:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:59,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:53:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:53:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:53:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:53:59,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:59,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:59,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:59,914 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:59,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:54:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:00,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:00,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:00,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:00,587 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:00,630 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:00,630 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:00,664 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 [2024-12-06 00:54:00,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:00,767 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 77 treesize of output 65 [2024-12-06 00:54:01,423 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:01,423 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 106 treesize of output 54 [2024-12-06 00:54:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:01,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:54:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:01,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:01,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:01,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:01,479 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:01,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:54:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:02,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:02,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:02,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:02,110 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 [2024-12-06 00:54:02,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:02,124 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:02,131 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 25 treesize of output 18 [2024-12-06 00:54:02,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:02,239 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 77 treesize of output 65 [2024-12-06 00:54:02,544 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:02,545 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 106 treesize of output 54 [2024-12-06 00:54:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:02,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:54:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:02,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:02,592 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:02,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:02,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:02,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:02,593 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:02,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:54:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:03,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:03,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:03,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:03,307 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 [2024-12-06 00:54:03,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:03,321 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:03,327 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 25 treesize of output 18 [2024-12-06 00:54:03,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:03,419 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 77 treesize of output 65 [2024-12-06 00:54:03,710 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:03,710 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 106 treesize of output 54 [2024-12-06 00:54:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:03,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 00:54:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:03,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:03,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:03,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:03,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:03,764 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:03,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 00:54:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:04,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:04,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:04,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:04,537 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 [2024-12-06 00:54:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:04,553 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:04,560 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 25 treesize of output 18 [2024-12-06 00:54:04,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:04,660 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 77 treesize of output 65 [2024-12-06 00:54:05,307 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:05,307 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 106 treesize of output 54 [2024-12-06 00:54:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:05,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 00:54:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:05,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:05,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:05,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:05,364 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:05,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 00:54:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:05,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:05,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:05,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:06,005 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:06,051 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:06,051 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:06,089 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 [2024-12-06 00:54:06,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:06,191 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 77 treesize of output 65 [2024-12-06 00:54:06,869 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:06,870 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 106 treesize of output 54 [2024-12-06 00:54:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:06,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 00:54:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:06,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:06,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:06,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:06,917 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:06,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 00:54:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:07,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:07,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:07,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:07,543 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 [2024-12-06 00:54:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:07,557 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:07,564 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 25 treesize of output 18 [2024-12-06 00:54:07,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:07,671 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 77 treesize of output 65 [2024-12-06 00:54:08,308 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:08,308 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 106 treesize of output 54 [2024-12-06 00:54:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:08,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 00:54:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:08,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:08,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:08,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:08,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:08,361 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:08,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 00:54:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:08,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:09,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:09,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:09,081 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 [2024-12-06 00:54:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:09,096 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:09,105 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 25 treesize of output 18 [2024-12-06 00:54:09,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:09,210 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 77 treesize of output 65 [2024-12-06 00:54:09,857 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:09,857 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 106 treesize of output 54 [2024-12-06 00:54:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:09,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 00:54:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:09,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:09,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:09,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:09,907 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:09,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 00:54:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:10,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:10,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:10,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:10,618 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 [2024-12-06 00:54:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:10,632 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:10,639 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 25 treesize of output 18 [2024-12-06 00:54:10,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:10,770 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 77 treesize of output 65 [2024-12-06 00:54:11,455 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:11,455 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 106 treesize of output 54 [2024-12-06 00:54:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:11,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 00:54:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:11,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:11,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:11,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:11,503 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:11,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 00:54:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:12,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:12,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:12,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:12,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:12,223 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:12,259 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:12,260 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:12,286 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 [2024-12-06 00:54:12,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:12,380 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 77 treesize of output 65 [2024-12-06 00:54:13,017 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:13,017 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 106 treesize of output 54 [2024-12-06 00:54:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:13,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 00:54:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:13,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:13,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:13,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:13,072 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:13,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 00:54:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:13,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:13,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:13,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:13,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:13,762 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:13,800 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:13,800 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:13,831 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 [2024-12-06 00:54:13,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:13,928 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 77 treesize of output 65 [2024-12-06 00:54:14,645 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:14,646 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 106 treesize of output 54 [2024-12-06 00:54:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:14,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 00:54:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:14,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:14,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:14,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:14,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:14,692 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:14,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 00:54:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:15,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:15,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:15,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:15,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:15,479 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:15,521 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:15,521 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:15,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 00:54:15,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:15,661 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 77 treesize of output 65 [2024-12-06 00:54:16,314 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:16,314 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 106 treesize of output 54 [2024-12-06 00:54:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:16,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 00:54:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:16,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:16,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:16,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:16,362 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:16,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 00:54:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:16,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:17,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:17,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:17,043 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:17,086 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:17,086 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:17,128 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 [2024-12-06 00:54:17,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:17,214 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 77 treesize of output 65 [2024-12-06 00:54:17,496 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:17,497 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 106 treesize of output 54 [2024-12-06 00:54:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:17,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 00:54:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:17,548 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:17,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:17,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:17,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:17,550 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:17,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 00:54:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:18,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:18,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:18,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:18,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:18,352 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:18,394 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:18,394 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:18,440 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 [2024-12-06 00:54:18,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:18,538 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 77 treesize of output 65 [2024-12-06 00:54:19,186 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:19,187 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 106 treesize of output 54 [2024-12-06 00:54:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:19,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 00:54:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:19,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:19,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:19,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:19,237 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:19,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 00:54:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:19,860 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:19,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:19,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:19,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:19,950 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:19,994 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:19,994 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:20,034 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 [2024-12-06 00:54:20,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:20,140 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 77 treesize of output 65 [2024-12-06 00:54:20,777 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:20,778 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 106 treesize of output 54 [2024-12-06 00:54:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:20,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 00:54:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:20,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:20,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:20,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:20,832 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:20,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 00:54:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:21,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:21,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:21,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:21,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:21,565 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:21,610 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:21,610 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:21,642 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 [2024-12-06 00:54:21,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:21,742 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 77 treesize of output 65 [2024-12-06 00:54:22,397 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:22,397 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 106 treesize of output 54 [2024-12-06 00:54:22,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:22,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 00:54:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:22,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:22,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:22,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:22,446 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:22,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 00:54:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:23,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:23,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:23,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:23,256 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 [2024-12-06 00:54:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:23,280 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:23,287 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 25 treesize of output 18 [2024-12-06 00:54:23,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:23,387 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 77 treesize of output 65 [2024-12-06 00:54:24,036 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:24,036 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 106 treesize of output 54 [2024-12-06 00:54:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:24,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 00:54:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:24,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:24,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:24,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:24,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:24,085 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:24,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 00:54:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:24,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:24,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:24,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:24,750 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 [2024-12-06 00:54:24,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:24,775 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:24,782 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 25 treesize of output 18 [2024-12-06 00:54:24,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:24,880 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 77 treesize of output 65 [2024-12-06 00:54:25,512 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:25,512 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 106 treesize of output 54 [2024-12-06 00:54:25,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:25,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 00:54:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:25,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:25,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:25,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:25,560 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:25,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 00:54:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:26,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:26,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:26,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:26,301 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:26,340 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:26,340 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:26,384 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 [2024-12-06 00:54:26,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:26,473 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 77 treesize of output 65 [2024-12-06 00:54:27,116 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:27,116 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 106 treesize of output 54 [2024-12-06 00:54:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:27,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 00:54:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:27,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:27,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:27,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:27,170 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:27,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 00:54:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:27,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:27,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:27,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:27,927 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 [2024-12-06 00:54:27,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:27,952 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:27,959 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 25 treesize of output 18 [2024-12-06 00:54:27,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:28,053 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 77 treesize of output 65 [2024-12-06 00:54:28,711 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:28,711 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 106 treesize of output 54 [2024-12-06 00:54:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:28,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 00:54:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:28,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:28,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:28,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:28,759 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:28,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 00:54:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:29,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:29,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:29,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:29,518 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 [2024-12-06 00:54:29,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:29,543 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:29,550 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 25 treesize of output 18 [2024-12-06 00:54:29,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:29,651 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 77 treesize of output 65 [2024-12-06 00:54:29,933 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:29,933 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 106 treesize of output 54 [2024-12-06 00:54:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:29,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-12-06 00:54:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:29,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:29,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:29,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:29,984 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:29,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 00:54:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:30,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:30,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:30,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:30,669 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:30,714 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:30,714 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:30,754 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 [2024-12-06 00:54:30,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:30,852 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 77 treesize of output 65 [2024-12-06 00:54:31,521 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:31,521 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 106 treesize of output 54 [2024-12-06 00:54:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:31,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 00:54:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:31,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:31,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:31,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:31,575 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:31,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 00:54:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:32,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:32,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:32,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:32,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:32,257 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:32,303 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:32,303 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:32,334 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 [2024-12-06 00:54:32,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:32,429 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 77 treesize of output 65 [2024-12-06 00:54:33,067 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:33,067 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 106 treesize of output 54 [2024-12-06 00:54:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:33,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 00:54:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:33,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:33,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:33,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:33,116 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:33,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 00:54:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:33,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:33,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:33,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:33,871 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 [2024-12-06 00:54:33,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:33,886 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:33,894 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 25 treesize of output 18 [2024-12-06 00:54:33,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:33,994 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 77 treesize of output 65 [2024-12-06 00:54:34,605 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:34,605 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 106 treesize of output 54 [2024-12-06 00:54:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:34,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 00:54:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:34,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:34,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:34,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:34,651 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:34,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 00:54:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:35,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:35,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:35,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:35,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:35,471 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:35,513 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:35,513 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:35,544 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 [2024-12-06 00:54:35,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:35,636 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 77 treesize of output 65 [2024-12-06 00:54:36,277 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:36,277 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 106 treesize of output 54 [2024-12-06 00:54:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:36,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 00:54:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:36,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:36,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:36,329 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:36,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 00:54:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:36,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:37,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:37,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:37,043 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:37,083 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:37,084 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:37,125 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 [2024-12-06 00:54:37,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:37,202 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 77 treesize of output 65 [2024-12-06 00:54:37,853 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:37,854 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 106 treesize of output 54 [2024-12-06 00:54:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:37,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 00:54:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:37,897 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:37,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:37,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:37,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:37,899 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:37,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 00:54:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:38,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:38,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:38,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:38,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:38,674 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:38,717 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:38,717 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:38,751 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 [2024-12-06 00:54:38,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:38,853 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 77 treesize of output 65 [2024-12-06 00:54:39,522 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:39,522 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 106 treesize of output 54 [2024-12-06 00:54:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:39,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-12-06 00:54:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:39,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:39,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:39,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:39,573 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:39,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 00:54:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:40,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:40,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:40,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:40,399 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 [2024-12-06 00:54:40,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:40,423 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:40,429 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 25 treesize of output 18 [2024-12-06 00:54:40,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:40,514 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 77 treesize of output 65 [2024-12-06 00:54:41,132 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:41,132 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 106 treesize of output 54 [2024-12-06 00:54:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:41,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 00:54:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:41,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:41,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:41,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:41,182 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:41,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 00:54:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:41,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:41,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:41,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:41,875 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:41,920 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:41,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:41,952 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 [2024-12-06 00:54:41,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:42,049 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 77 treesize of output 65 [2024-12-06 00:54:42,723 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:42,723 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 106 treesize of output 54 [2024-12-06 00:54:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:42,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 00:54:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:42,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:42,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:42,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:42,780 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:42,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 00:54:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:43,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:43,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:43,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:43,496 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 [2024-12-06 00:54:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:43,510 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:43,519 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 25 treesize of output 18 [2024-12-06 00:54:43,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:43,624 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 77 treesize of output 65 [2024-12-06 00:54:44,268 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:44,268 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 106 treesize of output 54 [2024-12-06 00:54:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:44,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 00:54:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:44,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:44,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:44,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:44,320 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:44,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 00:54:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:44,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:45,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:45,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:45,016 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 [2024-12-06 00:54:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:45,030 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:45,037 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 25 treesize of output 18 [2024-12-06 00:54:45,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:45,141 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 77 treesize of output 65 [2024-12-06 00:54:45,776 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:45,777 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 106 treesize of output 54 [2024-12-06 00:54:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:45,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 00:54:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:45,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:45,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:45,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:45,823 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:45,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 00:54:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:46,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:46,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:46,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:46,577 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:46,621 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:46,621 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:46,653 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 [2024-12-06 00:54:46,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:46,747 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 77 treesize of output 65 [2024-12-06 00:54:47,352 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:47,352 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 106 treesize of output 54 [2024-12-06 00:54:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:47,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 00:54:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:47,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:47,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:47,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:47,396 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:47,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 00:54:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:48,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:48,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:48,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:48,141 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 [2024-12-06 00:54:48,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:48,164 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:48,170 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 25 treesize of output 18 [2024-12-06 00:54:48,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:48,259 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 77 treesize of output 65 [2024-12-06 00:54:48,573 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:48,573 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 106 treesize of output 54 [2024-12-06 00:54:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:48,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 00:54:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:48,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:48,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:48,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:48,621 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:48,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 00:54:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:49,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:49,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:49,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:49,344 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:49,383 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:49,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:49,416 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 [2024-12-06 00:54:49,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:49,522 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 77 treesize of output 65 [2024-12-06 00:54:49,813 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:49,813 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 106 treesize of output 54 [2024-12-06 00:54:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:49,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 00:54:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:49,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:49,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:49,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:49,862 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:49,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 00:54:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:50,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:50,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:50,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:50,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 00:54:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:50,619 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:50,626 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 25 treesize of output 18 [2024-12-06 00:54:50,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:50,720 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 77 treesize of output 65 [2024-12-06 00:54:51,391 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:51,392 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 106 treesize of output 54 [2024-12-06 00:54:51,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:51,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 00:54:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:51,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:51,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:51,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:51,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:51,439 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:51,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 00:54:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:52,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:52,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:52,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:52,184 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 [2024-12-06 00:54:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:52,198 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:52,205 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 25 treesize of output 18 [2024-12-06 00:54:52,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:52,315 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 77 treesize of output 65 [2024-12-06 00:54:52,974 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:52,974 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 106 treesize of output 54 [2024-12-06 00:54:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:52,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-12-06 00:54:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:53,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:53,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:53,021 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:53,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 00:54:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:53,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:53,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:53,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:53,742 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 [2024-12-06 00:54:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:53,768 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:53,775 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 25 treesize of output 18 [2024-12-06 00:54:53,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:53,872 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 77 treesize of output 65 [2024-12-06 00:54:54,538 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:54,538 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 106 treesize of output 54 [2024-12-06 00:54:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:54,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 00:54:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:54,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:54,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:54,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:54,589 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:54,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 00:54:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:55,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:55,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:55,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:55,394 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:55,438 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:54:55,438 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:54:55,469 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 [2024-12-06 00:54:55,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:55,572 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 77 treesize of output 65 [2024-12-06 00:54:56,212 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:56,213 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 106 treesize of output 54 [2024-12-06 00:54:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:56,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 00:54:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:56,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:56,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:56,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:56,264 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:56,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 00:54:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:56,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:57,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:57,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:57,055 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 [2024-12-06 00:54:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:57,068 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:57,076 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 25 treesize of output 18 [2024-12-06 00:54:57,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:57,180 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 77 treesize of output 65 [2024-12-06 00:54:57,813 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:57,813 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 106 treesize of output 54 [2024-12-06 00:54:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:57,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 00:54:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:57,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:57,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:57,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:57,867 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:57,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 00:54:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:58,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:58,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:54:58,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:58,705 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 [2024-12-06 00:54:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:54:58,718 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:54:58,725 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 25 treesize of output 18 [2024-12-06 00:54:58,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:54:58,825 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 77 treesize of output 65 [2024-12-06 00:54:59,467 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:54:59,468 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 106 treesize of output 54 [2024-12-06 00:54:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:54:59,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 00:54:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:54:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:54:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:54:59,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:59,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:59,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:59,517 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:59,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 00:55:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:00,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:00,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:00,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:00,249 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 [2024-12-06 00:55:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:00,270 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:00,277 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 25 treesize of output 18 [2024-12-06 00:55:00,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:00,387 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 77 treesize of output 65 [2024-12-06 00:55:01,023 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:01,023 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 106 treesize of output 54 [2024-12-06 00:55:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:01,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 00:55:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:01,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:01,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:01,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:01,072 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:01,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 00:55:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:01,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:01,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:01,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:01,848 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:01,891 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:01,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:01,924 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 [2024-12-06 00:55:01,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:02,023 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 77 treesize of output 65 [2024-12-06 00:55:02,652 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:02,652 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 106 treesize of output 54 [2024-12-06 00:55:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:02,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 00:55:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:02,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:02,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:02,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:02,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:02,704 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:02,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 00:55:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:03,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:03,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:03,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:03,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:03,427 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:03,465 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:03,465 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:03,503 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 [2024-12-06 00:55:03,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:03,600 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 77 treesize of output 65 [2024-12-06 00:55:04,226 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:04,227 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 106 treesize of output 54 [2024-12-06 00:55:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:04,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 00:55:04,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:04,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:04,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:04,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:04,275 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:04,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 00:55:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:04,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:05,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:05,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:05,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:05,079 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:05,124 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:05,124 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:05,154 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 [2024-12-06 00:55:05,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:05,251 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 77 treesize of output 65 [2024-12-06 00:55:05,911 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:05,911 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 106 treesize of output 54 [2024-12-06 00:55:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:05,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 00:55:05,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:05,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:05,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:05,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:05,961 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:05,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 00:55:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:06,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:06,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:06,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:06,854 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 [2024-12-06 00:55:06,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:06,869 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:06,877 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 25 treesize of output 18 [2024-12-06 00:55:06,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:06,974 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 77 treesize of output 65 [2024-12-06 00:55:07,627 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:07,628 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 106 treesize of output 54 [2024-12-06 00:55:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:07,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 00:55:07,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:07,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:07,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:07,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:07,679 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:07,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 00:55:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:08,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:08,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:08,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:08,422 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 [2024-12-06 00:55:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:08,445 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:08,452 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 25 treesize of output 18 [2024-12-06 00:55:08,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:08,549 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 77 treesize of output 65 [2024-12-06 00:55:09,201 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:09,201 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 106 treesize of output 54 [2024-12-06 00:55:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:09,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 00:55:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:09,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:09,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:09,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:09,250 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:09,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 00:55:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:09,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:09,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:09,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:09,996 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 [2024-12-06 00:55:10,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:10,018 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:10,025 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 25 treesize of output 18 [2024-12-06 00:55:10,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:10,114 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 77 treesize of output 65 [2024-12-06 00:55:10,754 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:10,754 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 106 treesize of output 54 [2024-12-06 00:55:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:10,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 00:55:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:10,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:10,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:10,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:10,803 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:10,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 00:55:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:11,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:11,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:11,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:11,573 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 [2024-12-06 00:55:11,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:11,587 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:11,594 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 25 treesize of output 18 [2024-12-06 00:55:11,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:11,689 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 77 treesize of output 65 [2024-12-06 00:55:12,350 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:12,351 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 106 treesize of output 54 [2024-12-06 00:55:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:12,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 00:55:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:12,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:12,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:12,399 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:12,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 00:55:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:13,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:13,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:13,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:13,228 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 [2024-12-06 00:55:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:13,242 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:13,248 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 25 treesize of output 18 [2024-12-06 00:55:13,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:13,355 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 77 treesize of output 65 [2024-12-06 00:55:13,664 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:13,664 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 106 treesize of output 54 [2024-12-06 00:55:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:13,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 00:55:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:13,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:13,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:13,710 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:13,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 00:55:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:14,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:14,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:14,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:14,476 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 [2024-12-06 00:55:14,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:14,491 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:14,498 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 25 treesize of output 18 [2024-12-06 00:55:14,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:14,605 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 77 treesize of output 65 [2024-12-06 00:55:15,275 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:15,275 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 106 treesize of output 54 [2024-12-06 00:55:15,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:15,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 00:55:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:15,325 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:15,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:15,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:15,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:15,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:15,326 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:15,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 00:55:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:15,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:16,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:16,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:16,100 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 [2024-12-06 00:55:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:16,124 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:16,131 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 25 treesize of output 18 [2024-12-06 00:55:16,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:16,226 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 77 treesize of output 65 [2024-12-06 00:55:16,520 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:16,520 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 106 treesize of output 54 [2024-12-06 00:55:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:16,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 00:55:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:16,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:16,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:16,573 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:16,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 00:55:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:17,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:17,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:17,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:17,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:17,386 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:17,429 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:17,429 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:17,460 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 [2024-12-06 00:55:17,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:17,566 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 77 treesize of output 65 [2024-12-06 00:55:17,859 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:17,859 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 106 treesize of output 54 [2024-12-06 00:55:17,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:17,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 00:55:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:17,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:17,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:17,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:17,908 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:17,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 00:55:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:18,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:18,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:18,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:18,682 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:18,739 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:18,739 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:18,772 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 [2024-12-06 00:55:18,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:18,879 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 77 treesize of output 65 [2024-12-06 00:55:19,183 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:19,183 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 106 treesize of output 54 [2024-12-06 00:55:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:19,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 00:55:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:19,230 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:19,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:19,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:19,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:19,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:19,231 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:19,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 00:55:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:19,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:19,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:19,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:19,992 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 [2024-12-06 00:55:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:20,013 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:20,019 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 25 treesize of output 18 [2024-12-06 00:55:20,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:20,123 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 77 treesize of output 65 [2024-12-06 00:55:20,760 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:20,760 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 106 treesize of output 54 [2024-12-06 00:55:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:20,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 00:55:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:20,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:20,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:20,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:20,812 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:20,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 00:55:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:21,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:21,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:21,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:21,593 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 [2024-12-06 00:55:21,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:21,617 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:21,625 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 25 treesize of output 18 [2024-12-06 00:55:21,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:21,721 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 77 treesize of output 65 [2024-12-06 00:55:22,368 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:22,368 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 106 treesize of output 54 [2024-12-06 00:55:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:22,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 00:55:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:22,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:22,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:22,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:22,418 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:22,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 00:55:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:23,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:23,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:23,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:23,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 00:55:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:23,280 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:23,287 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 25 treesize of output 18 [2024-12-06 00:55:23,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:23,401 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 77 treesize of output 65 [2024-12-06 00:55:24,036 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:24,036 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 106 treesize of output 54 [2024-12-06 00:55:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:24,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 00:55:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:24,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:24,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:24,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:24,086 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:24,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 00:55:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:24,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:24,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:24,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:24,905 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:24,948 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:24,948 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:24,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 00:55:25,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:25,070 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 77 treesize of output 65 [2024-12-06 00:55:25,726 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:25,726 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 106 treesize of output 54 [2024-12-06 00:55:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:25,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 00:55:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:25,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:25,775 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:25,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:25,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:25,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:25,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:25,777 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:25,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 00:55:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:26,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:26,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:26,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:26,608 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 [2024-12-06 00:55:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:26,638 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:26,645 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 25 treesize of output 18 [2024-12-06 00:55:26,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:26,738 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 77 treesize of output 65 [2024-12-06 00:55:27,414 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:27,414 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 106 treesize of output 54 [2024-12-06 00:55:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:27,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 00:55:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:27,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:27,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:27,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:27,466 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:27,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 00:55:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:28,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:28,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:28,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:28,230 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 [2024-12-06 00:55:28,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:28,251 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:28,258 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 25 treesize of output 18 [2024-12-06 00:55:28,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:28,347 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 77 treesize of output 65 [2024-12-06 00:55:29,006 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:29,007 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 106 treesize of output 54 [2024-12-06 00:55:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:29,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 00:55:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:29,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:29,056 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:29,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:29,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:29,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:29,057 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:29,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 00:55:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:29,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:29,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:29,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:29,853 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 [2024-12-06 00:55:29,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:29,867 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:29,874 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 25 treesize of output 18 [2024-12-06 00:55:29,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:29,974 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 77 treesize of output 65 [2024-12-06 00:55:30,574 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:30,575 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 106 treesize of output 54 [2024-12-06 00:55:30,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:30,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 00:55:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:30,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:30,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:30,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:30,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:30,625 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:30,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 00:55:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:31,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:31,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:31,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:31,479 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:31,518 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:31,518 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:31,548 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 [2024-12-06 00:55:31,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:31,641 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 77 treesize of output 65 [2024-12-06 00:55:32,321 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:32,322 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 106 treesize of output 54 [2024-12-06 00:55:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:32,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 00:55:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:32,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:32,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:32,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:32,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:32,371 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:32,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 00:55:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:33,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:33,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:33,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:33,221 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:33,260 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:33,260 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:33,290 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 [2024-12-06 00:55:33,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:33,389 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 77 treesize of output 65 [2024-12-06 00:55:34,022 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:34,022 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 106 treesize of output 54 [2024-12-06 00:55:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:34,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 00:55:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:34,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:34,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:34,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:34,070 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:34,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 00:55:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:34,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:34,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:34,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:34,890 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:34,930 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:34,930 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:34,959 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 [2024-12-06 00:55:34,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:35,067 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 77 treesize of output 65 [2024-12-06 00:55:35,727 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:35,727 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 106 treesize of output 54 [2024-12-06 00:55:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:35,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 00:55:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:35,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:35,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:35,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:35,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:35,773 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:35,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 00:55:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:36,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:36,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:36,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:36,608 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 [2024-12-06 00:55:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:36,621 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:36,628 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 25 treesize of output 18 [2024-12-06 00:55:36,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:36,734 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 77 treesize of output 65 [2024-12-06 00:55:37,359 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:37,360 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 106 treesize of output 54 [2024-12-06 00:55:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:37,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 00:55:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:37,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:37,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:37,416 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:37,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 00:55:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:38,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:38,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:38,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:38,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:38,251 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:38,289 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:38,289 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:38,316 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 [2024-12-06 00:55:38,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:38,415 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 77 treesize of output 65 [2024-12-06 00:55:39,038 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:39,039 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 106 treesize of output 54 [2024-12-06 00:55:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:39,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 00:55:39,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:39,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:39,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:39,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:39,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:39,088 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:39,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 00:55:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:39,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:39,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:39,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:39,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:39,889 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:39,931 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:39,931 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:39,974 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 [2024-12-06 00:55:40,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:40,063 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 77 treesize of output 65 [2024-12-06 00:55:40,706 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:40,707 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 106 treesize of output 54 [2024-12-06 00:55:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:40,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 00:55:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:40,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:40,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:40,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:40,758 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:40,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 00:55:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:41,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:41,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:41,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:41,713 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 [2024-12-06 00:55:41,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:41,727 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:41,734 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 25 treesize of output 18 [2024-12-06 00:55:41,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:41,840 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 77 treesize of output 65 [2024-12-06 00:55:42,129 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:42,129 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 106 treesize of output 54 [2024-12-06 00:55:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:42,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 00:55:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:42,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:42,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:42,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:42,182 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:42,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 00:55:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:42,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:43,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:43,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:43,044 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 [2024-12-06 00:55:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:43,058 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:43,065 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 25 treesize of output 18 [2024-12-06 00:55:43,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:43,160 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 77 treesize of output 65 [2024-12-06 00:55:43,822 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:43,822 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 106 treesize of output 54 [2024-12-06 00:55:43,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:43,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 00:55:43,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:43,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:43,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:43,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:43,870 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:43,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 00:55:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:44,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:44,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:44,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:44,757 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 [2024-12-06 00:55:44,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:44,771 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:44,778 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 25 treesize of output 18 [2024-12-06 00:55:44,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:44,887 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 77 treesize of output 65 [2024-12-06 00:55:45,554 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:45,554 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 106 treesize of output 54 [2024-12-06 00:55:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:45,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 00:55:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:45,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:45,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:45,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:45,609 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:45,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 00:55:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:46,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:46,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:46,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:46,477 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 [2024-12-06 00:55:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:46,506 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:46,513 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 25 treesize of output 18 [2024-12-06 00:55:46,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:46,616 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 77 treesize of output 65 [2024-12-06 00:55:47,279 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:47,279 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 106 treesize of output 54 [2024-12-06 00:55:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:47,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 00:55:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:47,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:47,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:47,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:47,331 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:47,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 00:55:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:48,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:48,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:48,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:48,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:48,223 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:48,265 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:48,266 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:48,310 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 [2024-12-06 00:55:48,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:48,400 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 77 treesize of output 65 [2024-12-06 00:55:48,688 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:48,688 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 106 treesize of output 54 [2024-12-06 00:55:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:48,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 00:55:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:48,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:48,742 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:48,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 00:55:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:49,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:49,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:49,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:49,608 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 [2024-12-06 00:55:49,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:49,622 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:49,629 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 25 treesize of output 18 [2024-12-06 00:55:49,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:49,723 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 77 treesize of output 65 [2024-12-06 00:55:50,385 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:50,385 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 106 treesize of output 54 [2024-12-06 00:55:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:50,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 00:55:50,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:50,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:50,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:50,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:50,437 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:50,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 00:55:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:51,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:51,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:51,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:51,266 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:51,305 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:51,305 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:51,335 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 [2024-12-06 00:55:51,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:51,444 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 77 treesize of output 65 [2024-12-06 00:55:52,118 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:52,118 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 106 treesize of output 54 [2024-12-06 00:55:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:52,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-12-06 00:55:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:52,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:52,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:52,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:52,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:52,168 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:52,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 00:55:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:52,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:53,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:53,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:53,037 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 [2024-12-06 00:55:53,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:53,062 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:53,070 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 25 treesize of output 18 [2024-12-06 00:55:53,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:53,164 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 77 treesize of output 65 [2024-12-06 00:55:53,842 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:53,842 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 106 treesize of output 54 [2024-12-06 00:55:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:53,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 00:55:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:53,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:53,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:53,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:53,898 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:53,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 00:55:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:54,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:54,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:54,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:54,786 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 [2024-12-06 00:55:54,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:54,800 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:54,807 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 25 treesize of output 18 [2024-12-06 00:55:54,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:54,904 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 77 treesize of output 65 [2024-12-06 00:55:55,565 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:55,566 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 106 treesize of output 54 [2024-12-06 00:55:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:55,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 00:55:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:55,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:55,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:55,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:55,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:55,617 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:55,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 00:55:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:56,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:56,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:56,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:56,508 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 [2024-12-06 00:55:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:56,532 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:56,539 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 25 treesize of output 18 [2024-12-06 00:55:56,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:56,636 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 77 treesize of output 65 [2024-12-06 00:55:57,252 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:57,252 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 106 treesize of output 54 [2024-12-06 00:55:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:57,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 00:55:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:57,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:57,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:57,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:57,303 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:57,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 00:55:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:58,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:58,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:58,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:58,142 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:58,187 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:58,187 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:58,220 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 [2024-12-06 00:55:58,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:58,319 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 77 treesize of output 65 [2024-12-06 00:55:58,612 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:55:58,612 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 106 treesize of output 54 [2024-12-06 00:55:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:55:58,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 00:55:58,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:55:58,660 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:55:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:55:58,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:58,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:58,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:58,661 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:58,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 00:55:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:59,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:59,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:55:59,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:55:59,543 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:55:59,585 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:55:59,585 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:55:59,630 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 [2024-12-06 00:55:59,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:55:59,734 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 77 treesize of output 65 [2024-12-06 00:56:00,362 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:56:00,363 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 106 treesize of output 54 [2024-12-06 00:56:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:00,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 00:56:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:56:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:56:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:56:00,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:00,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:00,415 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:00,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 00:56:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:01,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:01,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:56:01,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:01,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:01,306 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:56:01,348 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:56:01,348 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:56:01,390 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 [2024-12-06 00:56:01,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:56:01,479 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 77 treesize of output 65 [2024-12-06 00:56:02,135 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:56:02,135 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 106 treesize of output 54 [2024-12-06 00:56:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:02,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 00:56:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:56:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:56:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:56:02,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:02,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:02,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:02,186 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:02,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 00:56:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:02,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:02,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:56:02,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:02,997 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:56:03,041 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:56:03,041 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:56:03,084 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 [2024-12-06 00:56:03,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:56:03,180 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 77 treesize of output 65 [2024-12-06 00:56:03,831 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:56:03,831 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 106 treesize of output 54 [2024-12-06 00:56:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:03,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 00:56:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:03,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:56:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:56:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:56:03,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:03,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:03,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:03,882 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:03,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 00:56:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:04,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:04,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:56:04,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:04,724 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 [2024-12-06 00:56:04,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:04,747 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:56:04,754 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 25 treesize of output 18 [2024-12-06 00:56:04,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:56:04,845 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 77 treesize of output 65 [2024-12-06 00:56:05,154 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:56:05,154 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 106 treesize of output 54 [2024-12-06 00:56:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:05,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 00:56:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:56:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:56:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:56:05,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:05,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:05,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:05,205 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:05,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 00:56:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:05,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:06,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:56:06,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:06,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:06,090 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:56:06,132 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:56:06,132 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:56:06,176 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 [2024-12-06 00:56:06,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:56:06,265 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 77 treesize of output 65 [2024-12-06 00:56:06,913 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:56:06,913 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 106 treesize of output 54 [2024-12-06 00:56:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:06,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 00:56:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:56:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:56:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:56:06,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:06,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:06,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:06,960 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:06,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 00:56:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:07,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:07,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:56:07,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:07,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:07,841 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:56:07,882 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:56:07,883 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:56:07,912 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 [2024-12-06 00:56:07,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:56:07,998 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 77 treesize of output 65 [2024-12-06 00:56:08,648 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 00:56:08,649 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 106 treesize of output 54 [2024-12-06 00:56:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:56:08,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 00:56:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 100 transitions. [2024-12-06 00:56:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 100 transitions. [2024-12-06 00:56:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:56:08,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:08,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:08,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:08,700 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:08,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23e3f9b2-e5bd-414a-a679-70052063d7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 00:56:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:09,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:09,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:56:09,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:56:09,569 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2024-12-06 00:56:09,612 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:56:09,612 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 1 case distinctions, treesize of input 25 treesize of output 22 [2024-12-06 00:56:09,644 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 [2024-12-06 00:56:09,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-06 00:56:09,742 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 77 treesize of output 65