./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array19_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array19_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL --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 21ab39d122ec2c6e96fa6b8c9d53d6f966068253a8a3d3ba32389613dd7dc54a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:42:16,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:42:17,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:42:17,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:42:17,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:42:17,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:42:17,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:42:17,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:42:17,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:42:17,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:42:17,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:42:17,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:42:17,085 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:42:17,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:42:17,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:42:17,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:42:17,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:42:17,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:42:17,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:42:17,089 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:42:17,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:42:17,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:42:17,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:42:17,091 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:42:17,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:42:17,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:42:17,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:42:17,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:42:17,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:42:17,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:42:17,095 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:42:17,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:42:17,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:42:17,096 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_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21ab39d122ec2c6e96fa6b8c9d53d6f966068253a8a3d3ba32389613dd7dc54a [2023-11-19 03:42:17,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:42:17,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:42:17,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:42:17,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:42:17,379 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:42:17,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-patterns/array19_pattern.c [2023-11-19 03:42:20,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:42:20,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:42:20,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/sv-benchmarks/c/array-patterns/array19_pattern.c [2023-11-19 03:42:20,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/data/8d4131b8a/3e33bce8352141eb8f173691ff7615ab/FLAGcb77c1085 [2023-11-19 03:42:20,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/data/8d4131b8a/3e33bce8352141eb8f173691ff7615ab [2023-11-19 03:42:20,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:42:20,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:42:20,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:20,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:42:20,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:42:20,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:20" (1/1) ... [2023-11-19 03:42:20,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48be38f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:20, skipping insertion in model container [2023-11-19 03:42:20,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:20" (1/1) ... [2023-11-19 03:42:20,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:42:20,908 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_23b3f242-9f91-4493-a746-5708a218e963/sv-benchmarks/c/array-patterns/array19_pattern.c[1442,1455] [2023-11-19 03:42:20,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:20,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:42:20,980 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_23b3f242-9f91-4493-a746-5708a218e963/sv-benchmarks/c/array-patterns/array19_pattern.c[1442,1455] [2023-11-19 03:42:21,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:21,027 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:42:21,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21 WrapperNode [2023-11-19 03:42:21,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:21,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:21,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:42:21,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:42:21,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,070 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-19 03:42:21,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:21,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:42:21,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:42:21,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:42:21,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:42:21,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:42:21,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:42:21,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:42:21,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:42:21,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:42:21,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:42:21,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b3f242-9f91-4493-a746-5708a218e963/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:42:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:42:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:42:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:42:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:42:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:42:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:42:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:42:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:42:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:42:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:42:21,256 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:42:21,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:42:21,586 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:42:21,704 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:42:21,705 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:42:21,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:21 BoogieIcfgContainer [2023-11-19 03:42:21,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:42:21,710 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:42:21,711 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:42:21,721 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:42:21,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:21" (1/1) ... [2023-11-19 03:42:21,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:42:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:21,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 03:42:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 03:42:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:42:21,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:21,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:21,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:42:21,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:22,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 03:42:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 03:42:22,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:42:22,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:22,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:22,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:42:22,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:42:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-19 03:42:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-19 03:42:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:42:22,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:22,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:22,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:42:22,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:42:22,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2023-11-19 03:42:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2023-11-19 03:42:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:42:22,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:22,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:23,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:42:23,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:42:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2023-11-19 03:42:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2023-11-19 03:42:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:42:23,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:23,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:42:23,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:42:23,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-19 03:42:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-19 03:42:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:42:23,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:23,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:23,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:42:23,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:42:24,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2023-11-19 03:42:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-11-19 03:42:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:42:24,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:24,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:24,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:24,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:42:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2023-11-19 03:42:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2023-11-19 03:42:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:42:24,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:24,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:24,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:42:24,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:42:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2023-11-19 03:42:25,119 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2023-11-19 03:42:25,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:42:25,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:25,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:25,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:42:25,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:25,390 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:42:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2023-11-19 03:42:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-19 03:42:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:42:26,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:26,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:26,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 03:42:26,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:26,444 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 [2023-11-19 03:42:27,405 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 117 treesize of output 99 [2023-11-19 03:42:27,431 INFO L349 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2023-11-19 03:42:27,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 145 [2023-11-19 03:42:27,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 68 treesize of output 33 [2023-11-19 03:42:27,739 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:42:27,743 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2023-11-19 03:42:28,303 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 54 treesize of output 44 [2023-11-19 03:42:28,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:42:28,312 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 75 treesize of output 65 [2023-11-19 03:42:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:42:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2023-11-19 03:42:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2023-11-19 03:42:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:42:30,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:30,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 03:42:30,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:31,053 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 [2023-11-19 03:42:31,631 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 [2023-11-19 03:42:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:42:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:34,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 61 states and 118 transitions. [2023-11-19 03:42:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2023-11-19 03:42:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:42:34,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:34,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:34,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:34,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2023-11-19 03:42:35,580 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2023-11-19 03:42:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:42:35,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:35,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:35,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:35,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2023-11-19 03:42:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2023-11-19 03:42:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:42:35,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:35,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:36,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:36,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:42:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2023-11-19 03:42:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2023-11-19 03:42:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:42:37,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:37,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:37,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:37,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:37,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 67 states and 137 transitions. [2023-11-19 03:42:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 137 transitions. [2023-11-19 03:42:37,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:42:37,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:37,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:37,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:37,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 68 states and 139 transitions. [2023-11-19 03:42:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 139 transitions. [2023-11-19 03:42:38,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:42:38,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:38,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:38,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 69 states and 140 transitions. [2023-11-19 03:42:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 140 transitions. [2023-11-19 03:42:39,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:42:39,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:39,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:39,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:39,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 70 states and 141 transitions. [2023-11-19 03:42:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 141 transitions. [2023-11-19 03:42:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:42:39,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:39,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:39,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:39,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:40,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 145 transitions. [2023-11-19 03:42:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 145 transitions. [2023-11-19 03:42:40,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:42:40,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:40,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:40,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:40,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:41,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 73 states and 145 transitions. [2023-11-19 03:42:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 145 transitions. [2023-11-19 03:42:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:42:41,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:41,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:41,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:41,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:42:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 63 states and 120 transitions. [2023-11-19 03:42:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2023-11-19 03:42:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:42:43,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:43,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:43,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:42:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 129 transitions. [2023-11-19 03:42:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 129 transitions. [2023-11-19 03:42:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:45,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:45,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:45,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:45,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:42:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 74 states and 143 transitions. [2023-11-19 03:42:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-11-19 03:42:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:46,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:46,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:47,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:47,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:42:47,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 144 transitions. [2023-11-19 03:42:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2023-11-19 03:42:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:42:47,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:47,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 03:42:47,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:48,045 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 [2023-11-19 03:42:48,586 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 [2023-11-19 03:42:49,651 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 [2023-11-19 03:42:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 74 states and 139 transitions. [2023-11-19 03:42:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2023-11-19 03:42:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:42:52,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:52,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:52,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:52,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:42:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 141 transitions. [2023-11-19 03:42:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2023-11-19 03:42:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:42:52,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:52,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:52,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:52,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:42:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 76 states and 143 transitions. [2023-11-19 03:42:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2023-11-19 03:42:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:42:53,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:53,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 03:42:53,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:54,028 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 [2023-11-19 03:42:54,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2023-11-19 03:42:54,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:42:54,705 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 [2023-11-19 03:42:54,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:42:54,870 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 [2023-11-19 03:42:57,340 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 0 case distinctions, treesize of input 1033 treesize of output 977 [2023-11-19 03:42:57,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:42:58,192 INFO L349 Elim1Store]: treesize reduction 804, result has 0.1 percent of original size [2023-11-19 03:42:58,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 12 select indices, 12 select index equivalence classes, 58 disjoint index pairs (out of 66 index pairs), introduced 20 new quantified variables, introduced 20 case distinctions, treesize of input 867 treesize of output 4914