./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs4.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_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/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_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/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_474f395c-8117-465a-b782-613a17e24603/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 727a45fc5966747e99c4394c0114e789db4ba39dd55af3d2c235925ac8282f92 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:17,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:17,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:19:17,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:17,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:17,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:17,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:17,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:17,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:17,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:17,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:17,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:17,144 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:17,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:17,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:17,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:17,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:17,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:17,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:17,152 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:17,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:17,155 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:17,155 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:17,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:17,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:17,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:17,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:17,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:17,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:17,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:17,163 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:17,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:17,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:17,164 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_474f395c-8117-465a-b782-613a17e24603/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727a45fc5966747e99c4394c0114e789db4ba39dd55af3d2c235925ac8282f92 [2023-11-24 22:19:17,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:17,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:17,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:17,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:17,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:17,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-fpi/brs4.c [2023-11-24 22:19:20,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:20,960 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:20,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/sv-benchmarks/c/array-fpi/brs4.c [2023-11-24 22:19:20,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/data/ad6044fd3/5248a27812904b8e8858699b85854263/FLAG14d8beed1 [2023-11-24 22:19:20,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/data/ad6044fd3/5248a27812904b8e8858699b85854263 [2023-11-24 22:19:20,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:20,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:20,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:20,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:21,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:21,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5740efce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21, skipping insertion in model container [2023-11-24 22:19:21,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:21,232 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_474f395c-8117-465a-b782-613a17e24603/sv-benchmarks/c/array-fpi/brs4.c[587,600] [2023-11-24 22:19:21,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:21,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:21,283 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_474f395c-8117-465a-b782-613a17e24603/sv-benchmarks/c/array-fpi/brs4.c[587,600] [2023-11-24 22:19:21,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:21,312 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:21,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21 WrapperNode [2023-11-24 22:19:21,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:21,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:21,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:21,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:21,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,374 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-24 22:19:21,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:21,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:21,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:21,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:21,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:21,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:21,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:21,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:21,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:21,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:21,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:21,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474f395c-8117-465a-b782-613a17e24603/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:19:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:21,568 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:21,570 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:21,736 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:21,819 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:21,820 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:19:21,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:21 BoogieIcfgContainer [2023-11-24 22:19:21,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:21,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:21,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:21,834 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:21,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-24 22:19:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-24 22:19:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:21,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,246 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 22:19:22,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-24 22:19:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-24 22:19:22,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:19:22,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,454 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 22:19:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 22:19:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 22:19:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:19:22,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,811 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 22:19:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-24 22:19:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-24 22:19:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:19:22,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-11-24 22:19:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-11-24 22:19:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:19:23,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 36 transitions. [2023-11-24 22:19:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 36 transitions. [2023-11-24 22:19:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:19:25,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:25,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2023-11-24 22:19:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2023-11-24 22:19:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:19:26,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:26,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:28,376 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 22:19:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 26 states and 54 transitions. [2023-11-24 22:19:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 54 transitions. [2023-11-24 22:19:30,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:19:30,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:30,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 31 states and 65 transitions. [2023-11-24 22:19:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 65 transitions. [2023-11-24 22:19:32,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:19:32,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:32,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:38,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 35 states and 75 transitions. [2023-11-24 22:19:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 75 transitions. [2023-11-24 22:19:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:19:38,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:38,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 83 transitions. [2023-11-24 22:19:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 83 transitions. [2023-11-24 22:19:41,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:19:41,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 44 states and 107 transitions. [2023-11-24 22:19:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 107 transitions. [2023-11-24 22:19:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:19:50,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:50,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 48 states and 117 transitions. [2023-11-24 22:19:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 117 transitions. [2023-11-24 22:19:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:19:58,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:58,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:20:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 49 states and 123 transitions. [2023-11-24 22:20:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 123 transitions. [2023-11-24 22:20:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:20:03,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:03,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:04,150 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:20:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 54 states and 132 transitions. [2023-11-24 22:20:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 132 transitions. [2023-11-24 22:20:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:20:07,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:07,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat