./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/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_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:51,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:51,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:12:51,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:51,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:51,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:51,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:51,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:51,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:51,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:51,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:51,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:51,967 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:51,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:51,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:51,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:51,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:51,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:51,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:51,970 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:51,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:51,977 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:51,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:51,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:51,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:51,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:51,979 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:51,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:51,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:51,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:51,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:51,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:51,982 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:51,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:51,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:51,983 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_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 [2023-11-24 23:12:52,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:52,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:52,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:52,292 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:52,293 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:52,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2023-11-24 23:12:55,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:55,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:55,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2023-11-24 23:12:55,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/data/7dc47d53b/04e6fd31174645aaaa5e100f747caf1f/FLAG907cb5b87 [2023-11-24 23:12:55,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/data/7dc47d53b/04e6fd31174645aaaa5e100f747caf1f [2023-11-24 23:12:55,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:55,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:55,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:55,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:55,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:55,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:55,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5f4cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55, skipping insertion in model container [2023-11-24 23:12:55,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:55,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:55,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:55,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:55,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:55,983 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:55,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55 WrapperNode [2023-11-24 23:12:55,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:55,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:55,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:55,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:55,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,053 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-24 23:12:56,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:56,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:56,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:56,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:56,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:56,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:56,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:56,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:56,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:55" (1/1) ... [2023-11-24 23:12:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:56,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:56,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:56,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac88b0f-fddc-499f-8064-16c5ce9ca7e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:12:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:12:56,293 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:56,295 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:56,602 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:56,709 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:56,711 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:12:56,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:56 BoogieIcfgContainer [2023-11-24 23:12:56,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:56,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:56,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:56,726 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:56,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-24 23:12:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-24 23:12:56,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:12:56,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:56,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,097 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 23:12:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-24 23:12:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-24 23:12:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:12:57,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,269 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 23:12:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-24 23:12:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-24 23:12:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:12:57,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,405 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 23:12:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-11-24 23:12:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-24 23:12:57,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:12:57,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,626 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 23:12:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-24 23:12:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-24 23:12:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:12:57,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-24 23:12:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-24 23:12:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:58,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,208 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 23:12:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-11-24 23:12:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-24 23:12:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:58,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-11-24 23:12:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-24 23:12:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:12:58,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-11-24 23:12:58,855 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-11-24 23:12:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:58,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-11-24 23:12:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-11-24 23:12:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:12:59,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:59,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2023-11-24 23:12:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2023-11-24 23:12:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:12:59,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-11-24 23:12:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-24 23:12:59,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:12:59,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:59,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2023-11-24 23:12:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-24 23:12:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:12:59,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:59,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:00,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-24 23:13:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-24 23:13:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:00,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:00,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-24 23:13:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-24 23:13:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:00,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:00,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-24 23:13:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-24 23:13:01,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:13:01,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:01,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2023-11-24 23:13:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-11-24 23:13:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:13:01,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:01,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:01,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2023-11-24 23:13:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-11-24 23:13:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:01,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:01,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:01,922 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 23:13:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2023-11-24 23:13:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-11-24 23:13:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:02,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:02,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2023-11-24 23:13:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2023-11-24 23:13:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:13:02,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:02,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:02,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:13:02,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:13:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2023-11-24 23:13:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2023-11-24 23:13:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:13:03,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:03,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:03,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:13:03,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:04,278 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:13:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 96 states and 161 transitions. [2023-11-24 23:13:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2023-11-24 23:13:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:13:05,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,224 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 97 states and 167 transitions. [2023-11-24 23:13:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 167 transitions. [2023-11-24 23:13:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:13:05,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:05,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 97 states and 162 transitions. [2023-11-24 23:13:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 162 transitions. [2023-11-24 23:13:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:13:05,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:05,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2023-11-24 23:13:06,628 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2023-11-24 23:13:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:13:06,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:06,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2023-11-24 23:13:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2023-11-24 23:13:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:13:07,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 102 states and 175 transitions. [2023-11-24 23:13:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 175 transitions. [2023-11-24 23:13:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:13:07,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 102 states and 169 transitions. [2023-11-24 23:13:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2023-11-24 23:13:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:13:07,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2023-11-24 23:13:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2023-11-24 23:13:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:13:08,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:09,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2023-11-24 23:13:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2023-11-24 23:13:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:13:09,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 183 transitions. [2023-11-24 23:13:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2023-11-24 23:13:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:13:09,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2023-11-24 23:13:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2023-11-24 23:13:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:13:10,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:10,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:11,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 179 transitions. [2023-11-24 23:13:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2023-11-24 23:13:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:13:11,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:11,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 182 transitions. [2023-11-24 23:13:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2023-11-24 23:13:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:13:11,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:11,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 191 transitions. [2023-11-24 23:13:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2023-11-24 23:13:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:13:11,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:11,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:12,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:12,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:13:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 125 states and 219 transitions. [2023-11-24 23:13:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 219 transitions. [2023-11-24 23:13:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:13:13,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:13,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:14,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 211 transitions. [2023-11-24 23:13:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2023-11-24 23:13:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:13:14,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:14,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:14,530 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 214 transitions. [2023-11-24 23:13:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 214 transitions. [2023-11-24 23:13:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:13:15,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:15,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:15,418 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:15,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 129 states and 217 transitions. [2023-11-24 23:13:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 217 transitions. [2023-11-24 23:13:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:13:15,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 130 states and 227 transitions. [2023-11-24 23:13:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 227 transitions. [2023-11-24 23:13:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:13:15,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:15,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 130 states and 218 transitions. [2023-11-24 23:13:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 218 transitions. [2023-11-24 23:13:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:13:17,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:17,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:18,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 131 states and 221 transitions. [2023-11-24 23:13:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2023-11-24 23:13:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:13:18,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:18,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 134 states and 224 transitions. [2023-11-24 23:13:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 224 transitions. [2023-11-24 23:13:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:13:18,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:18,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 135 states and 235 transitions. [2023-11-24 23:13:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 235 transitions. [2023-11-24 23:13:19,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:13:19,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 135 states and 225 transitions. [2023-11-24 23:13:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 225 transitions. [2023-11-24 23:13:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:13:20,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:20,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 228 transitions. [2023-11-24 23:13:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2023-11-24 23:13:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:13:21,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:21,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 139 states and 231 transitions. [2023-11-24 23:13:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 231 transitions. [2023-11-24 23:13:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:13:22,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:22,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 140 states and 243 transitions. [2023-11-24 23:13:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2023-11-24 23:13:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:13:22,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:22,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 140 states and 232 transitions. [2023-11-24 23:13:24,366 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 232 transitions. [2023-11-24 23:13:24,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:13:24,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:24,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 141 states and 235 transitions. [2023-11-24 23:13:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 235 transitions. [2023-11-24 23:13:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:13:25,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:25,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 144 states and 238 transitions. [2023-11-24 23:13:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 238 transitions. [2023-11-24 23:13:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 23:13:26,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:26,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:13:26,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 23:13:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:27,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2023-11-24 23:13:27,038 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2023-11-24 23:13:27,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:13:27,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:27,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:27,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 155 states and 273 transitions. [2023-11-24 23:13:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 273 transitions. [2023-11-24 23:13:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 23:13:27,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:27,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:27,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:13:27,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:13:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:28,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 158 states and 278 transitions. [2023-11-24 23:13:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2023-11-24 23:13:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:13:28,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:28,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 158 states and 266 transitions. [2023-11-24 23:13:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 266 transitions. [2023-11-24 23:13:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:13:30,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:30,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:31,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 159 states and 269 transitions. [2023-11-24 23:13:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 269 transitions. [2023-11-24 23:13:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:13:31,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:31,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2023-11-24 23:13:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-11-24 23:13:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-24 23:13:31,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:31,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:31,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:13:31,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 263 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 23:13:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 172 states and 294 transitions. [2023-11-24 23:13:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 294 transitions. [2023-11-24 23:13:32,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 23:13:32,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:32,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 173 states and 308 transitions. [2023-11-24 23:13:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 308 transitions. [2023-11-24 23:13:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:13:33,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:33,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:33,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:13:33,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 15 proven. 149 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:13:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 186 states and 337 transitions. [2023-11-24 23:13:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 337 transitions. [2023-11-24 23:13:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:13:36,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:36,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat