./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:36,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:36,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:36,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:36,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:36,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:36,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:36,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:36,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:36,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:36,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:36,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:36,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:36,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:36,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:36,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:36,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:36,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:36,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:36,268 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:36,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:36,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:36,270 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:36,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:36,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:36,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:36,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:36,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:36,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:36,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:36,276 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:36,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:36,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:36,277 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_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0db5597ff96f0e5a728327333d32dd7df56f4b1fb643f99ebf0f69cacecd717 [2023-11-24 22:59:36,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:36,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:36,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:36,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:36,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:36,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-fpi/ifeqn4.c [2023-11-24 22:59:39,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:40,272 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:40,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/sv-benchmarks/c/array-fpi/ifeqn4.c [2023-11-24 22:59:40,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/data/34c17170b/29a43175f2ed477a8bfe9381e3a68c39/FLAGef0799053 [2023-11-24 22:59:40,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/data/34c17170b/29a43175f2ed477a8bfe9381e3a68c39 [2023-11-24 22:59:40,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:40,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:40,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:40,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:40,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:40,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6526b61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40, skipping insertion in model container [2023-11-24 22:59:40,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,355 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:40,578 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_e04b79b6-6e44-4aee-996a-e9e9a973ef45/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2023-11-24 22:59:40,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:40,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:40,663 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_e04b79b6-6e44-4aee-996a-e9e9a973ef45/sv-benchmarks/c/array-fpi/ifeqn4.c[589,602] [2023-11-24 22:59:40,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:40,712 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:40,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40 WrapperNode [2023-11-24 22:59:40,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:40,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:40,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:40,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:40,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,781 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-24 22:59:40,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:40,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:40,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:40,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:40,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:40,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:40,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:40,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:40,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:40,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:40,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:40,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04b79b6-6e44-4aee-996a-e9e9a973ef45/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:59:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:41,039 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:41,042 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:41,319 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:41,473 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:41,473 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:59:41,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:41 BoogieIcfgContainer [2023-11-24 22:59:41,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:41,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:41,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:41,492 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:41,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:41" (1/1) ... [2023-11-24 22:59:41,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 22:59:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 22:59:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:41,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:41,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:59:41,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 22:59:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 22:59:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:59:41,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:41,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:42,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:59:42,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:59:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 22:59:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 22:59:42,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:59:42,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:42,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:42,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:59:42,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:42,366 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 [2023-11-24 22:59:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:59:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2023-11-24 22:59:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2023-11-24 22:59:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:59:42,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:42,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:42,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:59:42,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:43,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2023-11-24 22:59:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2023-11-24 22:59:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:59:43,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:43,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:43,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:59:43,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:44,013 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 [2023-11-24 22:59:44,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 22:59:44,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:59:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2023-11-24 22:59:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2023-11-24 22:59:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:45,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:45,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:45,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:59:45,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:59:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-24 22:59:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-24 22:59:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:46,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:46,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:59:46,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2023-11-24 22:59:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2023-11-24 22:59:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:59:47,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:47,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:48,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:59:48,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:48,396 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 [2023-11-24 22:59:48,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 22:59:48,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 22:59:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:59:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2023-11-24 22:59:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-11-24 22:59:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:49,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:49,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:49,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 22:59:49,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:49,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-24 22:59:49,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-24 22:59:49,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-24 22:59:49,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-24 22:59:49,958 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-24 22:59:49,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 38 [2023-11-24 22:59:50,551 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:55,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-11-24 22:59:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-11-24 22:59:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:55,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:55,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:55,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:59:55,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2023-11-24 22:59:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2023-11-24 22:59:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:58,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:58,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:58,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:59:58,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:00:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2023-11-24 23:00:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-11-24 23:00:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:00,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:00,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:01,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 23:00:01,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:01,259 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 [2023-11-24 23:00:01,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:00:01,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:00:01,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:00:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:00:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2023-11-24 23:00:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-11-24 23:00:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:02,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:02,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:02,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 23:00:02,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:02,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-24 23:00:02,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-24 23:00:02,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-24 23:00:02,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-24 23:00:03,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2023-11-24 23:00:03,582 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-24 23:00:03,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 48 [2023-11-24 23:00:03,808 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-24 23:00:03,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 51 treesize of output 51 [2023-11-24 23:00:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2023-11-24 23:00:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2023-11-24 23:00:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:08,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:08,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:08,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:00:08,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:13,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2023-11-24 23:00:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2023-11-24 23:00:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:13,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:13,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:13,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:00:13,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:00:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2023-11-24 23:00:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2023-11-24 23:00:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:14,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:14,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:14,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:00:14,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:00:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2023-11-24 23:00:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2023-11-24 23:00:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:19,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:19,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:19,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:00:19,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:20,162 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:00:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2023-11-24 23:00:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-11-24 23:00:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:21,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:21,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:22,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 23:00:22,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:23,155 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 [2023-11-24 23:00:23,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:00:23,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:00:23,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:00:23,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:00:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:00:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions. [2023-11-24 23:00:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2023-11-24 23:00:24,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:00:24,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:24,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:25,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-24 23:00:25,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:25,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-24 23:00:25,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-24 23:00:25,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-24 23:00:25,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-24 23:00:25,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2023-11-24 23:00:26,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 48 [2023-11-24 23:00:26,717 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-24 23:00:26,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 58 [2023-11-24 23:00:27,013 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-24 23:00:27,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 58 treesize of output 61 [2023-11-24 23:00:27,314 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-24 23:00:27,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 58 treesize of output 61 [2023-11-24 23:00:28,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.