./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array18_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array18_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC --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 4d58909a91b196e39d7623dd2e1e4d9b2698d6fa8ff06c2897eb5762e2e2e408 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:04,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:05,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:19:05,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:05,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:05,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:05,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:05,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:05,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:05,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:05,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:05,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:05,153 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:19:05,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:05,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:19:05,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:05,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:05,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:05,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:05,158 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:19:05,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:05,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:05,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:05,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:05,162 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:05,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:05,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:05,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:05,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:05,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:05,166 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:05,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:05,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:05,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d58909a91b196e39d7623dd2e1e4d9b2698d6fa8ff06c2897eb5762e2e2e408 [2023-11-23 20:19:05,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:05,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:05,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:05,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:05,475 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:05,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-patterns/array18_pattern.c [2023-11-23 20:19:08,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:08,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:08,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/sv-benchmarks/c/array-patterns/array18_pattern.c [2023-11-23 20:19:08,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/data/056fc55db/ea4a46dfea9d46c3980e2edbfe055f3a/FLAGf20580bd3 [2023-11-23 20:19:08,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/data/056fc55db/ea4a46dfea9d46c3980e2edbfe055f3a [2023-11-23 20:19:08,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:08,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:08,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:08,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:08,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:08,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:08" (1/1) ... [2023-11-23 20:19:08,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fdc5c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:08, skipping insertion in model container [2023-11-23 20:19:08,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:08" (1/1) ... [2023-11-23 20:19:08,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:09,006 WARN L240 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_a8ff0693-ae0b-48cb-9c08-0c9a402801af/sv-benchmarks/c/array-patterns/array18_pattern.c[1444,1457] [2023-11-23 20:19:09,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:09,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:09,050 WARN L240 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_a8ff0693-ae0b-48cb-9c08-0c9a402801af/sv-benchmarks/c/array-patterns/array18_pattern.c[1444,1457] [2023-11-23 20:19:09,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:09,077 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:09,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09 WrapperNode [2023-11-23 20:19:09,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:09,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:09,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:09,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:09,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,117 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-23 20:19:09,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:09,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:09,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:09,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:09,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:09,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:09,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:09,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:09,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:09,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:09,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:09,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ff0693-ae0b-48cb-9c08-0c9a402801af/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:19:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:19:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:19:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:19:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:19:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:19:09,334 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:09,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:09,625 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:09,765 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:09,770 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 20:19:09,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:09 BoogieIcfgContainer [2023-11-23 20:19:09,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:09,774 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:09,774 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:09,786 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:09,786 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:09" (1/1) ... [2023-11-23 20:19:09,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:09,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-23 20:19:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-23 20:19:09,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:09,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:09,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:09,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:19:10,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-23 20:19:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-23 20:19:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:19:10,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:10,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:10,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:10,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-23 20:19:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-23 20:19:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:19:10,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:10,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:10,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:10,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:10,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2023-11-23 20:19:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2023-11-23 20:19:10,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:19:10,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:10,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:10,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:10,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:11,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2023-11-23 20:19:11,109 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2023-11-23 20:19:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:19:11,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:11,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:11,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:11,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:11,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-23 20:19:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-23 20:19:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:19:11,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:11,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:11,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:11,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2023-11-23 20:19:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-11-23 20:19:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:19:11,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:11,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:11,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:11,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2023-11-23 20:19:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2023-11-23 20:19:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:19:12,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:12,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:12,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:12,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2023-11-23 20:19:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2023-11-23 20:19:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:19:12,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:12,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:12,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:12,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:12,901 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2023-11-23 20:19:13,540 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-23 20:19:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:19:13,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:13,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:13,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-23 20:19:13,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:13,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:19:14,843 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 181 treesize of output 161 [2023-11-23 20:19:15,231 INFO L349 Elim1Store]: treesize reduction 167, result has 37.0 percent of original size [2023-11-23 20:19:15,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 197 treesize of output 314 [2023-11-23 20:19:15,911 INFO L349 Elim1Store]: treesize reduction 55, result has 35.3 percent of original size [2023-11-23 20:19:15,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 151 treesize of output 108 [2023-11-23 20:19:16,085 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:19:16,089 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2023-11-23 20:19:17,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 177 treesize of output 161 [2023-11-23 20:19:17,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:19:17,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 345 treesize of output 335 [2023-11-23 20:19:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:19:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:20,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 112 transitions. [2023-11-23 20:19:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 112 transitions. [2023-11-23 20:19:20,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:19:20,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:20,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:20,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-23 20:19:20,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:20,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:19:21,565 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 19 treesize of output 11 [2023-11-23 20:19:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 63 states and 127 transitions. [2023-11-23 20:19:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 127 transitions. [2023-11-23 20:19:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:19:24,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:24,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:24,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 66 states and 134 transitions. [2023-11-23 20:19:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 134 transitions. [2023-11-23 20:19:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:19:26,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:26,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:26,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:26,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:26,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 67 states and 136 transitions. [2023-11-23 20:19:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 136 transitions. [2023-11-23 20:19:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:19:26,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:26,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:26,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:27,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 68 states and 142 transitions. [2023-11-23 20:19:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 142 transitions. [2023-11-23 20:19:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:19:28,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 70 states and 148 transitions. [2023-11-23 20:19:28,958 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 148 transitions. [2023-11-23 20:19:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:19:28,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:29,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:29,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 71 states and 149 transitions. [2023-11-23 20:19:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2023-11-23 20:19:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:19:29,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:29,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:31,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 74 states and 153 transitions. [2023-11-23 20:19:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 153 transitions. [2023-11-23 20:19:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:19:31,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:31,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:31,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:31,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:31,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 75 states and 154 transitions. [2023-11-23 20:19:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 154 transitions. [2023-11-23 20:19:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:19:31,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:31,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:31,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:31,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:19:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 86 states and 170 transitions. [2023-11-23 20:19:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2023-11-23 20:19:34,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:19:34,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:34,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:34,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:34,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:19:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 72 states and 138 transitions. [2023-11-23 20:19:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2023-11-23 20:19:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:19:35,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:35,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:35,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:35,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 77 states and 153 transitions. [2023-11-23 20:19:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions. [2023-11-23 20:19:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:19:37,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 78 states and 153 transitions. [2023-11-23 20:19:38,231 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2023-11-23 20:19:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:19:38,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:38,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:38,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-23 20:19:38,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:38,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 20:19:39,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-23 20:19:40,845 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 19 treesize of output 11 [2023-11-23 20:19:40,897 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 76 states and 148 transitions. [2023-11-23 20:19:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 148 transitions. [2023-11-23 20:19:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:19:44,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:44,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:44,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:44,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:19:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 77 states and 150 transitions. [2023-11-23 20:19:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2023-11-23 20:19:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:19:44,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:44,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:44,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:19:44,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:19:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 78 states and 152 transitions. [2023-11-23 20:19:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2023-11-23 20:19:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:19:45,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:45,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:45,492 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-23 20:19:45,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:45,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:19:45,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-23 20:19:46,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:19:46,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-23 20:19:46,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:19:46,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2023-11-23 20:19:48,286 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 252 treesize of output 226 [2023-11-23 20:19:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:19:48,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:19:48,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:19:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:19:48,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:19:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:19:48,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:19:48,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:19:48,647 INFO L349 Elim1Store]: treesize reduction 464, result has 10.9 percent of original size [2023-11-23 20:19:48,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 208 treesize of output 342 [2023-11-23 20:19:48,907 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:19:48,909 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 214 [2023-11-23 20:19:55,708 WARN L293 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 94 DAG size of output: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-23 20:19:59,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 147 treesize of output 115 [2023-11-23 20:19:59,143 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:19:59,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 case distinctions, treesize of input 591 treesize of output 513 [2023-11-23 20:19:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.