./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.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_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/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_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/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_1e40b415-ee60-476f-aeed-1cb65168091b/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 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:51,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:51,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:10:51,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:51,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:51,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:51,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:51,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:51,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:51,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:51,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:51,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:51,322 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:51,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:51,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:51,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:51,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:51,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:51,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:51,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:51,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:51,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:51,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:51,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:51,331 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:51,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:51,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:51,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:51,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:51,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:51,335 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:51,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:51,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:51,336 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_1e40b415-ee60-476f-aeed-1cb65168091b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 [2023-11-24 23:10:51,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:51,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:51,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:51,719 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:51,720 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:51,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2023-11-24 23:10:54,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:55,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:55,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2023-11-24 23:10:55,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/data/24f4e65cd/8464e0b204cc4a328502302b148d9f2e/FLAG711350ba2 [2023-11-24 23:10:55,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/data/24f4e65cd/8464e0b204cc4a328502302b148d9f2e [2023-11-24 23:10:55,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:55,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:55,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:55,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:55,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:55,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec9668b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55, skipping insertion in model container [2023-11-24 23:10:55,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:55,406 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_1e40b415-ee60-476f-aeed-1cb65168091b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2023-11-24 23:10:55,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:55,434 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:55,447 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_1e40b415-ee60-476f-aeed-1cb65168091b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2023-11-24 23:10:55,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:55,471 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:55,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55 WrapperNode [2023-11-24 23:10:55,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:55,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:55,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:55,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:55,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,512 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-24 23:10:55,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:55,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:55,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:55,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:55,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:55,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:55,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:55,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:55,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:55,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:55,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:55,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e40b415-ee60-476f-aeed-1cb65168091b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:10:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:10:55,687 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:55,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:55,840 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:55,863 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:55,863 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:10:55,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:55 BoogieIcfgContainer [2023-11-24 23:10:55,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:55,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:55,867 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:55,877 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:55,877 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:55" (1/1) ... [2023-11-24 23:10:55,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-24 23:10:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-24 23:10:55,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:10:55,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:55,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:56,117 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 23:10:56,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 23:10:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 23:10:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:10:56,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:56,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:56,334 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 23:10:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-24 23:10:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-24 23:10:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:10:56,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:56,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:56,669 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 23:10:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-24 23:10:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-24 23:10:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:10:56,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:56,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:57,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:10:57,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-24 23:10:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-24 23:10:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:10:58,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:58,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:58,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:10:58,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:10:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 49 transitions. [2023-11-24 23:10:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-24 23:10:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:58,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:58,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:58,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:10:58,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-11-24 23:10:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-24 23:10:58,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:10:58,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:58,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:58,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:10:58,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 89 transitions. [2023-11-24 23:11:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 89 transitions. [2023-11-24 23:11:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:11:00,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:00,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:00,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:11:00,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:11:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 94 transitions. [2023-11-24 23:11:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-11-24 23:11:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:11:01,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:01,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:01,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:11:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 101 transitions. [2023-11-24 23:11:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2023-11-24 23:11:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:11:01,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:01,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:11:01,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:11:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 52 states and 113 transitions. [2023-11-24 23:11:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2023-11-24 23:11:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:11:02,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:02,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:03,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:11:03,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:11:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 112 transitions. [2023-11-24 23:11:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 112 transitions. [2023-11-24 23:11:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:11:03,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:03,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:03,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:03,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:11:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 52 states and 111 transitions. [2023-11-24 23:11:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 111 transitions. [2023-11-24 23:11:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:11:05,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:05,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:05,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:11:05,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:11:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 119 transitions. [2023-11-24 23:11:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 119 transitions. [2023-11-24 23:11:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:11:05,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:05,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:06,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:06,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 23:11:06,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 54 states and 121 transitions. [2023-11-24 23:11:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 121 transitions. [2023-11-24 23:11:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:11:06,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:06,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:06,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:11:06,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:11:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 127 transitions. [2023-11-24 23:11:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 127 transitions. [2023-11-24 23:11:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:11:07,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:07,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:07,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:11:07,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:11:09,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:09,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 67 states and 176 transitions. [2023-11-24 23:11:09,538 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 176 transitions. [2023-11-24 23:11:09,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:11:09,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:09,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:11:09,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:11:10,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 70 states and 181 transitions. [2023-11-24 23:11:10,541 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2023-11-24 23:11:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:11:10,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:10,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:10,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:11:10,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:11:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 180 transitions. [2023-11-24 23:11:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 180 transitions. [2023-11-24 23:11:11,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:11:11,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:11,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:11,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:11,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 23:11:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 70 states and 179 transitions. [2023-11-24 23:11:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 179 transitions. [2023-11-24 23:11:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:11:11,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:11,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:11,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:11,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 23:11:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 70 states and 178 transitions. [2023-11-24 23:11:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 178 transitions. [2023-11-24 23:11:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:11:11,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:11,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:11,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:11:11,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:11:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 74 states and 195 transitions. [2023-11-24 23:11:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 195 transitions. [2023-11-24 23:11:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:11:14,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:14,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:14,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:11:14,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:11:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 74 states and 194 transitions. [2023-11-24 23:11:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 194 transitions. [2023-11-24 23:11:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:11:15,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:15,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:11:15,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:11:16,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 74 states and 193 transitions. [2023-11-24 23:11:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 193 transitions. [2023-11-24 23:11:16,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:11:16,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:16,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:16,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:11:16,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,702 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:11:17,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 75 states and 205 transitions. [2023-11-24 23:11:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 205 transitions. [2023-11-24 23:11:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:11:17,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:17,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:17,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-24 23:11:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 76 states and 208 transitions. [2023-11-24 23:11:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 208 transitions. [2023-11-24 23:11:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:11:17,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:17,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:11:17,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 23:11:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 79 states and 213 transitions. [2023-11-24 23:11:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 213 transitions. [2023-11-24 23:11:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:11:19,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:19,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:11:19,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 23:11:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 82 states and 219 transitions. [2023-11-24 23:11:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 219 transitions. [2023-11-24 23:11:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:11:20,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:11:20,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 23:11:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 92 states and 280 transitions. [2023-11-24 23:11:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 280 transitions. [2023-11-24 23:11:23,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:11:23,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:23,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:23,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:11:23,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:23,666 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 23:11:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 95 states and 285 transitions. [2023-11-24 23:11:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 285 transitions. [2023-11-24 23:11:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:11:24,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:24,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:24,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:11:24,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 23:11:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 95 states and 284 transitions. [2023-11-24 23:11:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 284 transitions. [2023-11-24 23:11:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:11:25,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:25,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:25,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:11:25,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 23:11:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 95 states and 283 transitions. [2023-11-24 23:11:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 283 transitions. [2023-11-24 23:11:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:11:26,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:26,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:26,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:26,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-24 23:11:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 95 states and 282 transitions. [2023-11-24 23:11:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 282 transitions. [2023-11-24 23:11:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:11:26,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:26,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:26,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:26,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-24 23:11:27,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 95 states and 281 transitions. [2023-11-24 23:11:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 281 transitions. [2023-11-24 23:11:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:11:27,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:27,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:27,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:27,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-24 23:11:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 95 states and 280 transitions. [2023-11-24 23:11:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 280 transitions. [2023-11-24 23:11:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:11:27,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:27,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:27,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:11:27,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:28,504 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 23:11:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 97 states and 300 transitions. [2023-11-24 23:11:30,547 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 300 transitions. [2023-11-24 23:11:30,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:11:30,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:30,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:30,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:11:30,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 23:11:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 99 states and 301 transitions. [2023-11-24 23:11:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 301 transitions. [2023-11-24 23:11:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:11:32,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:32,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:32,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:11:32,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 23:11:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 99 states and 300 transitions. [2023-11-24 23:11:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 300 transitions. [2023-11-24 23:11:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:11:34,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:34,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:35,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:11:35,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 23:11:36,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 99 states and 299 transitions. [2023-11-24 23:11:36,927 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 299 transitions. [2023-11-24 23:11:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 23:11:36,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:36,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:36,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:11:36,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:11:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 100 states and 315 transitions. [2023-11-24 23:11:38,259 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 315 transitions. [2023-11-24 23:11:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 23:11:38,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:38,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:38,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-24 23:11:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 101 states and 319 transitions. [2023-11-24 23:11:38,818 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 319 transitions. [2023-11-24 23:11:38,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:11:38,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:38,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:38,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 23:11:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 111 states and 382 transitions. [2023-11-24 23:11:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 382 transitions. [2023-11-24 23:11:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:11:42,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:42,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:42,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:11:42,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:11:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 114 states and 388 transitions. [2023-11-24 23:11:44,811 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 388 transitions. [2023-11-24 23:11:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:11:44,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:44,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:44,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:11:44,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.