./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --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 c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:04:14,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:04:14,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:04:14,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:04:14,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:04:14,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:04:14,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:04:14,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:04:14,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:04:14,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:04:14,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:04:14,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:04:14,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:04:14,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:04:14,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:04:14,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:04:14,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:04:14,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:04:14,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:04:14,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:04:14,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:04:14,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:04:14,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:04:14,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:04:14,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:04:14,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:04:14,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:04:14,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:04:14,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:04:14,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:04:14,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:04:14,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:04:14,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:04:14,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:04:14,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:04:14,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:04:14,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:04:14,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:04:14,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:04:14,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:04:14,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:04:14,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:04:14,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:04:14,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:04:14,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:04:14,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:04:14,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:04:14,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:04:14,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:04:14,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:04:14,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:04:14,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:04:14,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:04:14,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:04:14,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:04:14,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:04:14,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:04:14,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:04:14,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:04:14,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:04:14,373 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:04:14,374 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:04:14,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:04:14,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:04:14,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:04:14,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:04:14,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:04:14,375 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:04:14,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:04:14,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:04:14,376 INFO L138 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_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 [2021-11-23 01:04:14,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:04:14,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:04:14,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:04:14,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:04:14,712 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:04:14,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2021-11-23 01:04:14,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/data/183bbcbfc/5e1b88d931734009ba437442055ed73b/FLAGae5045d29 [2021-11-23 01:04:15,377 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:04:15,380 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2021-11-23 01:04:15,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/data/183bbcbfc/5e1b88d931734009ba437442055ed73b/FLAGae5045d29 [2021-11-23 01:04:15,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/data/183bbcbfc/5e1b88d931734009ba437442055ed73b [2021-11-23 01:04:15,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:04:15,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:04:15,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:04:15,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:04:15,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:04:15,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:15" (1/1) ... [2021-11-23 01:04:15,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378f8fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:15, skipping insertion in model container [2021-11-23 01:04:15,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:15" (1/1) ... [2021-11-23 01:04:15,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:04:15,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:04:15,948 WARN L230 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_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c[538,551] [2021-11-23 01:04:15,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:04:15,998 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:04:16,015 WARN L230 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_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c[538,551] [2021-11-23 01:04:16,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:04:16,047 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:04:16,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16 WrapperNode [2021-11-23 01:04:16,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:04:16,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:04:16,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:04:16,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:04:16,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,087 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-23 01:04:16,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:04:16,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:04:16,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:04:16,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:04:16,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:04:16,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:04:16,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:04:16,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:04:16,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:04:16,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:04:16,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:04:16,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d716a399-49d9-43f0-aab7-e2fa5a55a6c4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:04:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:04:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:04:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:04:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:04:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:04:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:04:16,261 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:04:16,263 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:04:16,390 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:04:16,422 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:04:16,423 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:04:16,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:16 BoogieIcfgContainer [2021-11-23 01:04:16,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:04:16,427 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:04:16,427 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:04:16,438 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:04:16,438 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:16" (1/1) ... [2021-11-23 01:04:16,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:04:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2021-11-23 01:04:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2021-11-23 01:04:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:04:16,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 01:04:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 01:04:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:04:16,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2021-11-23 01:04:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2021-11-23 01:04:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:04:16,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2021-11-23 01:04:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2021-11-23 01:04:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:04:17,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2021-11-23 01:04:17,792 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2021-11-23 01:04:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:04:17,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:04:17,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:04:19,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:19,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2021-11-23 01:04:19,301 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2021-11-23 01:04:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:19,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:19,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:19,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:04:19,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:04:21,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 95 transitions. [2021-11-23 01:04:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2021-11-23 01:04:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:04:21,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:21,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:21,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:04:21,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:04:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 107 transitions. [2021-11-23 01:04:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2021-11-23 01:04:22,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:04:22,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:04:22,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:04:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 112 transitions. [2021-11-23 01:04:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2021-11-23 01:04:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:04:22,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:22,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:04:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 59 states and 127 transitions. [2021-11-23 01:04:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2021-11-23 01:04:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:04:24,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:24,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:24,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:24,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:04:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 128 transitions. [2021-11-23 01:04:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2021-11-23 01:04:25,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:04:25,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:04:25,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:04:28,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 67 states and 149 transitions. [2021-11-23 01:04:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2021-11-23 01:04:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:04:28,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:28,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:28,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:04:28,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:04:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 149 transitions. [2021-11-23 01:04:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 149 transitions. [2021-11-23 01:04:31,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:04:31,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:04:31,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:04:31,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 72 states and 163 transitions. [2021-11-23 01:04:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2021-11-23 01:04:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:04:31,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:04:31,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:04:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 77 states and 177 transitions. [2021-11-23 01:04:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 177 transitions. [2021-11-23 01:04:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:04:33,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:33,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:33,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:04:33,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:04:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 79 states and 184 transitions. [2021-11-23 01:04:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 184 transitions. [2021-11-23 01:04:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:04:35,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:35,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:35,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:04:35,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:04:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 79 states and 183 transitions. [2021-11-23 01:04:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 183 transitions. [2021-11-23 01:04:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:04:36,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:36,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:36,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:04:36,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:04:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 89 states and 245 transitions. [2021-11-23 01:04:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 245 transitions. [2021-11-23 01:04:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:04:39,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:39,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:04:39,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:04:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 92 states and 253 transitions. [2021-11-23 01:04:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 253 transitions. [2021-11-23 01:04:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:04:41,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:41,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:04:41,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:04:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 92 states and 252 transitions. [2021-11-23 01:04:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 252 transitions. [2021-11-23 01:04:42,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:04:42,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:04:42,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:04:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 94 states and 259 transitions. [2021-11-23 01:04:43,673 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 259 transitions. [2021-11-23 01:04:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:04:43,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:43,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:43,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:43,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-23 01:04:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 96 states and 263 transitions. [2021-11-23 01:04:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 263 transitions. [2021-11-23 01:04:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:04:46,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:46,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:46,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:04:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 98 states and 264 transitions. [2021-11-23 01:04:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 264 transitions. [2021-11-23 01:04:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:04:48,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:48,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:48,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:04:48,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:05:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:00,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 109 states and 308 transitions. [2021-11-23 01:05:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 308 transitions. [2021-11-23 01:05:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:05:00,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:00,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:00,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:05:00,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:05:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 111 states and 309 transitions. [2021-11-23 01:05:04,315 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 309 transitions. [2021-11-23 01:05:04,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:05:04,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:04,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:04,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:05:04,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:05:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 114 states and 312 transitions. [2021-11-23 01:05:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 312 transitions. [2021-11-23 01:05:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:05:09,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:05:09,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:05:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:32,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 126 states and 367 transitions. [2021-11-23 01:05:32,771 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 367 transitions. [2021-11-23 01:05:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:05:32,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:32,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:32,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:05:32,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:05:40,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 128 states and 371 transitions. [2021-11-23 01:05:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 371 transitions. [2021-11-23 01:05:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:05:40,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:40,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:40,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:05:40,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:05:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 133 states and 391 transitions. [2021-11-23 01:05:48,594 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 391 transitions. [2021-11-23 01:05:48,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:05:48,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:48,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:48,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:05:48,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:05:53,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 135 states and 396 transitions. [2021-11-23 01:05:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 396 transitions. [2021-11-23 01:05:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:05:53,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:53,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:53,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:05:53,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:05:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 139 states and 451 transitions. [2021-11-23 01:05:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 451 transitions. [2021-11-23 01:05:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:05:59,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:59,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:59,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:05:59,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:59,201 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:06:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:07,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 142 states and 454 transitions. [2021-11-23 01:06:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 454 transitions. [2021-11-23 01:06:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:06:07,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:07,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:07,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:06:07,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:06:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 145 states and 459 transitions. [2021-11-23 01:06:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 459 transitions. [2021-11-23 01:06:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:06:18,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:18,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:18,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:06:18,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:06:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 148 states and 475 transitions. [2021-11-23 01:06:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 475 transitions. [2021-11-23 01:06:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:06:32,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:32,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:32,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:06:32,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:06:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 150 states and 479 transitions. [2021-11-23 01:06:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 479 transitions. [2021-11-23 01:06:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:06:37,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:37,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:37,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:06:37,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:06:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 152 states and 483 transitions. [2021-11-23 01:06:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 483 transitions. [2021-11-23 01:06:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:06:42,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:42,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:42,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:06:42,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:07:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 155 states and 510 transitions. [2021-11-23 01:07:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 510 transitions. [2021-11-23 01:07:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:07:06,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:06,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:06,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:07:06,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:07:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 159 states and 515 transitions. [2021-11-23 01:07:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 515 transitions. [2021-11-23 01:07:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:07:14,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:14,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:14,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:07:14,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:07:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:24,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 162 states and 529 transitions. [2021-11-23 01:07:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 529 transitions. [2021-11-23 01:07:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:07:24,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:24,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:24,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:07:24,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:07:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 162 states and 528 transitions. [2021-11-23 01:07:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 528 transitions. [2021-11-23 01:07:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:07:33,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:33,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:33,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:07:33,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:07:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 162 states and 527 transitions. [2021-11-23 01:07:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 527 transitions. [2021-11-23 01:07:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:07:36,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:36,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:36,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:07:36,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:07:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 162 states and 526 transitions. [2021-11-23 01:07:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 526 transitions. [2021-11-23 01:07:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:07:46,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:46,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:46,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:07:46,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:07:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 162 states and 525 transitions. [2021-11-23 01:07:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 525 transitions. [2021-11-23 01:07:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:07:50,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:50,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:50,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:07:50,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:07:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 164 states and 537 transitions. [2021-11-23 01:07:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 537 transitions. [2021-11-23 01:07:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:07:59,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:59,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:59,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:07:59,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 01:08:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 166 states and 542 transitions. [2021-11-23 01:08:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 542 transitions. [2021-11-23 01:08:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:08:22,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:22,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:22,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:08:22,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 34 proven. 25 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-11-23 01:08:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 168 states and 544 transitions. [2021-11-23 01:08:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 544 transitions. [2021-11-23 01:08:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:08:33,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:33,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:33,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:08:33,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:09:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 171 states and 574 transitions. [2021-11-23 01:09:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 574 transitions. [2021-11-23 01:09:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:09:05,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:05,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:05,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:09:05,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:09:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 173 states and 586 transitions. [2021-11-23 01:09:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 586 transitions. [2021-11-23 01:09:16,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:09:16,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:16,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:16,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:09:16,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:10:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 179 states and 621 transitions. [2021-11-23 01:10:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 621 transitions. [2021-11-23 01:10:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:10:04,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:04,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:04,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:10:04,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:10:20,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 181 states and 622 transitions. [2021-11-23 01:10:20,099 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 622 transitions. [2021-11-23 01:10:20,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:10:20,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:20,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:20,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:10:20,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:10:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:41,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 184 states and 625 transitions. [2021-11-23 01:10:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 625 transitions. [2021-11-23 01:10:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:10:41,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:41,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:41,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:10:41,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:11:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 187 states and 628 transitions. [2021-11-23 01:11:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 628 transitions. [2021-11-23 01:11:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:11:06,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:06,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:06,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:11:06,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:11:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 188 states and 633 transitions. [2021-11-23 01:11:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 633 transitions. [2021-11-23 01:11:40,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:11:40,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:40,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:40,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:11:40,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:13:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 197 states and 683 transitions. [2021-11-23 01:13:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 683 transitions. [2021-11-23 01:13:03,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:13:03,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:03,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:03,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:13:03,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:13:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:18,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 199 states and 689 transitions. [2021-11-23 01:13:18,005 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 689 transitions. [2021-11-23 01:13:18,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:13:18,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:18,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:18,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:13:18,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:14:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 208 states and 800 transitions. [2021-11-23 01:14:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 800 transitions. [2021-11-23 01:14:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:14:23,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:23,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:23,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:14:23,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:14:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:37,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 210 states and 806 transitions. [2021-11-23 01:14:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 806 transitions. [2021-11-23 01:14:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:14:37,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:37,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:37,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:14:37,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:15:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 213 states and 812 transitions. [2021-11-23 01:15:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 812 transitions. [2021-11-23 01:15:17,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:15:17,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:17,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:17,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:15:17,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:15:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 218 states and 826 transitions. [2021-11-23 01:15:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 826 transitions. [2021-11-23 01:15:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:15:52,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:52,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:52,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:15:52,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:16:00,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 218 states and 825 transitions. [2021-11-23 01:16:00,052 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 825 transitions. [2021-11-23 01:16:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:16:00,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:00,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:00,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:16:00,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:16:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 220 states and 829 transitions. [2021-11-23 01:16:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 829 transitions. [2021-11-23 01:16:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:16:25,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:25,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:25,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:16:25,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:17:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 223 states and 843 transitions. [2021-11-23 01:17:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 843 transitions. [2021-11-23 01:17:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:17:08,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:08,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:08,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:17:08,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:17:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 225 states and 847 transitions. [2021-11-23 01:17:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 847 transitions. [2021-11-23 01:17:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:17:22,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:22,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:22,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:17:22,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:24,115 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:17:37,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 227 states and 851 transitions. [2021-11-23 01:17:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 851 transitions. [2021-11-23 01:17:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:17:37,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:37,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:37,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:17:37,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.