./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res1.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_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/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_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/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_d6be591e-266a-4cf8-8f63-d6dd26e1f535/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 f274a5aba9f5a53aba1b5bf0fd0b9cf2990c13e825cbbe6f7043cc6fa5a18df6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:15,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:15,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:15,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:15,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:15,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:15,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:15,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:15,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:15,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:15,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:15,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:15,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:15,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:15,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:15,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:15,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:15,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:15,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:15,703 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:15,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:15,705 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:15,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:15,706 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:15,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:15,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:15,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:15,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:15,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:15,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:15,711 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:15,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:15,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:15,725 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_d6be591e-266a-4cf8-8f63-d6dd26e1f535/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f274a5aba9f5a53aba1b5bf0fd0b9cf2990c13e825cbbe6f7043cc6fa5a18df6 [2023-11-24 22:56:16,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:16,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:16,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:16,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:16,110 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:16,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-fpi/res1.c [2023-11-24 22:56:19,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:19,387 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:19,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/sv-benchmarks/c/array-fpi/res1.c [2023-11-24 22:56:19,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/data/a375d1141/9b60ed6c70e74c1b94cce842ac5bacfc/FLAGe24d9888e [2023-11-24 22:56:19,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/data/a375d1141/9b60ed6c70e74c1b94cce842ac5bacfc [2023-11-24 22:56:19,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:19,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:19,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:19,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:19,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:19,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4535d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19, skipping insertion in model container [2023-11-24 22:56:19,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,458 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:19,609 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_d6be591e-266a-4cf8-8f63-d6dd26e1f535/sv-benchmarks/c/array-fpi/res1.c[587,600] [2023-11-24 22:56:19,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:19,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:19,652 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_d6be591e-266a-4cf8-8f63-d6dd26e1f535/sv-benchmarks/c/array-fpi/res1.c[587,600] [2023-11-24 22:56:19,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:19,678 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:19,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19 WrapperNode [2023-11-24 22:56:19,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:19,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:19,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:19,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:19,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,724 INFO L138 Inliner]: procedures = 17, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-24 22:56:19,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:19,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:19,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:19,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:19,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:19,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:19,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:19,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:19,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:19" (1/1) ... [2023-11-24 22:56:19,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:19,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:19,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6be591e-266a-4cf8-8f63-d6dd26e1f535/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:56:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:19,954 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:19,956 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:20,196 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:20,255 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:20,256 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:56:20,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:20 BoogieIcfgContainer [2023-11-24 22:56:20,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:20,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:20,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:20,270 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:20,270 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:20" (1/1) ... [2023-11-24 22:56:20,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-24 22:56:20,343 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-24 22:56:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:20,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:20,868 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 22:56:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 22:56:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 22:56:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:20,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:20,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:21,096 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 22:56:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-24 22:56:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-24 22:56:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:21,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:21,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-24 22:56:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-24 22:56:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:56:21,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:21,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:21,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:56:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-24 22:56:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-24 22:56:21,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:21,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:21,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:24,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 23 states and 49 transitions. [2023-11-24 22:56:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 49 transitions. [2023-11-24 22:56:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:24,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:24,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 30 states and 75 transitions. [2023-11-24 22:56:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 75 transitions. [2023-11-24 22:56:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:27,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:27,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 31 states and 75 transitions. [2023-11-24 22:56:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 75 transitions. [2023-11-24 22:56:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:27,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:27,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 31 states and 72 transitions. [2023-11-24 22:56:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 72 transitions. [2023-11-24 22:56:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:28,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:28,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:29,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 32 states and 70 transitions. [2023-11-24 22:56:29,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 70 transitions. [2023-11-24 22:56:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:29,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:56:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 72 transitions. [2023-11-24 22:56:30,921 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 72 transitions. [2023-11-24 22:56:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:30,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:30,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 74 transitions. [2023-11-24 22:56:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 74 transitions. [2023-11-24 22:56:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:31,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 38 states and 80 transitions. [2023-11-24 22:56:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 80 transitions. [2023-11-24 22:56:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:32,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 47 states and 112 transitions. [2023-11-24 22:56:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 112 transitions. [2023-11-24 22:56:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:40,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 48 states and 113 transitions. [2023-11-24 22:56:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 113 transitions. [2023-11-24 22:56:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:42,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:43,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:43,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 51 states and 123 transitions. [2023-11-24 22:56:43,935 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 123 transitions. [2023-11-24 22:56:43,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:43,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 53 states and 127 transitions. [2023-11-24 22:56:46,030 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 127 transitions. [2023-11-24 22:56:46,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:46,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:46,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:56:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 134 transitions. [2023-11-24 22:56:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 134 transitions. [2023-11-24 22:56:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:49,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 56 states and 135 transitions. [2023-11-24 22:56:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 135 transitions. [2023-11-24 22:56:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:51,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:56:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:52,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 57 states and 137 transitions. [2023-11-24 22:56:52,581 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 137 transitions. [2023-11-24 22:56:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:52,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:52,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2023-11-24 22:56:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2023-11-24 22:56:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:54,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,290 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:57,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 55 states and 123 transitions. [2023-11-24 22:56:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 123 transitions. [2023-11-24 22:56:57,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:57,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.