./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e86ab88515027c2a8ad7a1a5d7cd34e589814e2f5fa9f70f400cd1ca5df85524 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:09,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:09,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:19:09,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:09,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:09,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:09,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:09,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:09,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:09,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:09,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:09,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:09,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:09,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:09,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:09,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:09,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:09,359 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:09,360 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:09,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:09,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:09,362 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:09,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:09,363 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:09,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:09,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:09,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:09,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:09,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:09,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:09,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:09,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:09,384 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_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e86ab88515027c2a8ad7a1a5d7cd34e589814e2f5fa9f70f400cd1ca5df85524 [2023-11-23 20:19:09,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:09,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:09,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:09,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:09,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:09,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2023-11-23 20:19:12,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:13,111 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:13,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2023-11-23 20:19:13,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/data/519751876/eee65446c63747ee94f9bbb91981a5b2/FLAGad8fe68fe [2023-11-23 20:19:13,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/data/519751876/eee65446c63747ee94f9bbb91981a5b2 [2023-11-23 20:19:13,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:13,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:13,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:13,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:13,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:13,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793ccb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13, skipping insertion in model container [2023-11-23 20:19:13,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:13,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:13,596 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:13,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:13,676 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:13,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13 WrapperNode [2023-11-23 20:19:13,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:13,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:13,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:13,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:13,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,732 INFO L138 Inliner]: procedures = 111, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2023-11-23 20:19:13,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:13,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:13,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:13,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:13,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:13,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:13,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:13,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:13,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:13" (1/1) ... [2023-11-23 20:19:13,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:13,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:13,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:13,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3b88cdf-87ab-4de9-aed9-c7fede96d8d2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:19:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:19:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:19:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:19:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:13,969 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:13,971 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:14,133 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:14,223 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:14,223 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:19:14,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:14 BoogieIcfgContainer [2023-11-23 20:19:14,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:14,226 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:14,226 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:14,238 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:14,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:14" (1/1) ... [2023-11-23 20:19:14,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:14,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-23 20:19:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-23 20:19:14,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:19:14,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-11-23 20:19:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-11-23 20:19:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:19:15,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:15,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2023-11-23 20:19:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2023-11-23 20:19:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:19:16,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:16,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2023-11-23 20:19:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2023-11-23 20:19:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:19:17,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:17,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 64 transitions. [2023-11-23 20:19:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 64 transitions. [2023-11-23 20:19:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:19:18,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:18,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 36 states and 78 transitions. [2023-11-23 20:19:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 78 transitions. [2023-11-23 20:19:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:19:20,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:20,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:20,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 41 states and 96 transitions. [2023-11-23 20:19:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 96 transitions. [2023-11-23 20:19:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:19:22,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:22,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 44 states and 107 transitions. [2023-11-23 20:19:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 107 transitions. [2023-11-23 20:19:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:19:23,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:23,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 48 states and 120 transitions. [2023-11-23 20:19:26,414 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 120 transitions. [2023-11-23 20:19:26,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:26,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:26,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 124 transitions. [2023-11-23 20:19:28,077 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 124 transitions. [2023-11-23 20:19:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:28,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 130 transitions. [2023-11-23 20:19:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 130 transitions. [2023-11-23 20:19:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:29,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 132 transitions. [2023-11-23 20:19:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 132 transitions. [2023-11-23 20:19:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:29,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 141 transitions. [2023-11-23 20:19:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 141 transitions. [2023-11-23 20:19:30,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:30,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:31,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 54 states and 147 transitions. [2023-11-23 20:19:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 147 transitions. [2023-11-23 20:19:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:31,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:31,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 59 states and 164 transitions. [2023-11-23 20:19:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 164 transitions. [2023-11-23 20:19:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:19:34,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:34,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:35,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 64 states and 180 transitions. [2023-11-23 20:19:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 180 transitions. [2023-11-23 20:19:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:19:38,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:38,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 66 states and 179 transitions. [2023-11-23 20:19:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 179 transitions. [2023-11-23 20:19:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:19:40,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:40,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:40,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 66 states and 177 transitions. [2023-11-23 20:19:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 177 transitions. [2023-11-23 20:19:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:19:40,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:40,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 66 states and 174 transitions. [2023-11-23 20:19:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 174 transitions. [2023-11-23 20:19:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:19:41,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:41,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2023-11-23 20:19:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2023-11-23 20:19:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:19:42,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:42,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 68 states and 178 transitions. [2023-11-23 20:19:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 178 transitions. [2023-11-23 20:19:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:19:43,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:43,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 68 states and 177 transitions. [2023-11-23 20:19:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 177 transitions. [2023-11-23 20:19:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:19:43,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:43,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:19:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 71 states and 182 transitions. [2023-11-23 20:19:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 182 transitions. [2023-11-23 20:19:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:19:45,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:45,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 74 states and 185 transitions. [2023-11-23 20:19:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 185 transitions. [2023-11-23 20:19:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:19:47,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:47,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:19:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 74 states and 182 transitions. [2023-11-23 20:19:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 182 transitions. [2023-11-23 20:19:47,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:19:47,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:47,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:19:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 77 states and 187 transitions. [2023-11-23 20:19:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 187 transitions. [2023-11-23 20:19:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:19:52,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:52,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:52,996 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:19:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 79 states and 192 transitions. [2023-11-23 20:19:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 192 transitions. [2023-11-23 20:19:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:19:54,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:54,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 82 states and 198 transitions. [2023-11-23 20:19:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 198 transitions. [2023-11-23 20:19:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:19:56,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:56,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.