./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/poly2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/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_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/poly2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/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_7c36a621-976a-4b9e-8cac-642d37848e94/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 d98e92b0e397ee2afc9955ae7b4baaedb8be19fb7d6475412e7373cae81d62ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:28,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:28,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:09:28,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:28,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:28,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:28,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:28,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:28,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:28,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:28,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:28,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:28,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:28,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:28,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:28,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:28,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:28,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:28,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:28,896 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:28,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:28,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:28,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:28,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:28,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:28,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:28,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:28,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:28,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:28,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:28,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:28,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:28,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:28,903 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_7c36a621-976a-4b9e-8cac-642d37848e94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d98e92b0e397ee2afc9955ae7b4baaedb8be19fb7d6475412e7373cae81d62ab [2023-11-19 03:09:29,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:29,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:29,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:29,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:29,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:29,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-tiling/poly2.c [2023-11-19 03:09:32,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:32,450 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:32,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/sv-benchmarks/c/array-tiling/poly2.c [2023-11-19 03:09:32,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/data/8a31c8763/80565436d6eb4009854e53894a80dee9/FLAGf7b3c4aad [2023-11-19 03:09:32,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/data/8a31c8763/80565436d6eb4009854e53894a80dee9 [2023-11-19 03:09:32,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:32,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:32,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:32,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:32,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:32,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd51410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32, skipping insertion in model container [2023-11-19 03:09:32,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:32,777 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_7c36a621-976a-4b9e-8cac-642d37848e94/sv-benchmarks/c/array-tiling/poly2.c[396,409] [2023-11-19 03:09:32,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:32,809 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:32,823 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_7c36a621-976a-4b9e-8cac-642d37848e94/sv-benchmarks/c/array-tiling/poly2.c[396,409] [2023-11-19 03:09:32,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:32,844 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:32,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32 WrapperNode [2023-11-19 03:09:32,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:32,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:32,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:32,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:32,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,881 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-19 03:09:32,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:32,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:32,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:32,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:32,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:32,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:32,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:32,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:32,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:32,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:32,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c36a621-976a-4b9e-8cac-642d37848e94/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:09:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:09:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:09:33,050 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:33,052 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:33,239 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:33,285 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:33,285 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:09:33,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:33 BoogieIcfgContainer [2023-11-19 03:09:33,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:33,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:33,291 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:33,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:33,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:33,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-19 03:09:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-19 03:09:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:09:33,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:33,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:33,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:33,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:33,695 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 03:09:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 03:09:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 03:09:33,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:33,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:33,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:33,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:09:33,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2023-11-19 03:09:33,931 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-19 03:09:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:09:33,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:34,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:34,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:09:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-11-19 03:09:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-11-19 03:09:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:09:34,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:34,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:34,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:09:34,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:09:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:09:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:09:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:09:34,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:34,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:34,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:09:34,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:34,468 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 03:09:34,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-19 03:09:34,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:34,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 23 [2023-11-19 03:09:34,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:34,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 14 [2023-11-19 03:09:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2023-11-19 03:09:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2023-11-19 03:09:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:09:35,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:35,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:36,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:09:36,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2023-11-19 03:09:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2023-11-19 03:09:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:09:37,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:09:37,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2023-11-19 03:09:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2023-11-19 03:09:38,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:38,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:38,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:38,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:09:38,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:38,739 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 03:09:38,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-19 03:09:38,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:38,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 32 [2023-11-19 03:09:38,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:38,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 35 [2023-11-19 03:09:39,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:39,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 26 [2023-11-19 03:09:39,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:39,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 14 [2023-11-19 03:09:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2023-11-19 03:09:40,457 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2023-11-19 03:09:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:40,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:40,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:40,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:09:40,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2023-11-19 03:09:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2023-11-19 03:09:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:42,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:42,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:42,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:09:42,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2023-11-19 03:09:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2023-11-19 03:09:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:44,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:44,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:09:44,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:46,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2023-11-19 03:09:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2023-11-19 03:09:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:46,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:46,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:46,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:09:46,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:46,532 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 13 treesize of output 9 [2023-11-19 03:09:46,720 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 25 treesize of output 13 [2023-11-19 03:09:46,846 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 23 treesize of output 13 [2023-11-19 03:09:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2023-11-19 03:09:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 03:09:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:09:49,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:49,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:49,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:09:49,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:49,335 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 03:09:49,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-19 03:09:49,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:49,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 32 [2023-11-19 03:09:49,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:49,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-19 03:09:49,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:49,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 47 [2023-11-19 03:09:50,048 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:50,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 38 [2023-11-19 03:09:50,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 26 [2023-11-19 03:09:50,353 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:09:50,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 26 [2023-11-19 03:09:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2023-11-19 03:09:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2023-11-19 03:09:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:09:53,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:53,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:53,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:09:53,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:58,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:58,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2023-11-19 03:09:58,001 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2023-11-19 03:09:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:09:58,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:58,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:58,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:09:58,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:00,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2023-11-19 03:10:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2023-11-19 03:10:00,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:00,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:00,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:00,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:10:00,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2023-11-19 03:10:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2023-11-19 03:10:00,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:00,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:00,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:00,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:10:00,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2023-11-19 03:10:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2023-11-19 03:10:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:02,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:02,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:02,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:10:02,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:07,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2023-11-19 03:10:07,086 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2023-11-19 03:10:07,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:07,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:07,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:07,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:10:07,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:07,213 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 13 treesize of output 9 [2023-11-19 03:10:07,386 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 23 treesize of output 22 [2023-11-19 03:10:07,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:07,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 34 treesize of output 25 [2023-11-19 03:10:07,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:07,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 32 treesize of output 25 [2023-11-19 03:10:08,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:08,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 16 [2023-11-19 03:10:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2023-11-19 03:10:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-19 03:10:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:10:10,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:10,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:10,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 03:10:10,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:10,348 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 03:10:10,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-19 03:10:10,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:10,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 32 [2023-11-19 03:10:10,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:10,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-19 03:10:10,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:10,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2023-11-19 03:10:11,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:11,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 55 treesize of output 59 [2023-11-19 03:10:11,304 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:11,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 50 [2023-11-19 03:10:11,558 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:11,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 38 [2023-11-19 03:10:11,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 26 [2023-11-19 03:10:11,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:10:11,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 26 [2023-11-19 03:10:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2023-11-19 03:10:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 03:10:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:10:17,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:17,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:17,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:10:17,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:10:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 68 states and 128 transitions. [2023-11-19 03:10:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 128 transitions. [2023-11-19 03:10:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:10:21,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:21,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:21,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:10:21,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.