./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LogRecursive.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/LogRecursive.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-14 00:00:33,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 00:00:33,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 00:00:33,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 00:00:33,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 00:00:33,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 00:00:33,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 00:00:33,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 00:00:33,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 00:00:33,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 00:00:33,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 00:00:33,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 00:00:33,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 00:00:33,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 00:00:33,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 00:00:33,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 00:00:33,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 00:00:33,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 00:00:33,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 00:00:33,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 00:00:33,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 00:00:33,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 00:00:33,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 00:00:33,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 00:00:33,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 00:00:33,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 00:00:33,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 00:00:33,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 00:00:33,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 00:00:33,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 00:00:33,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 00:00:33,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 00:00:33,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 00:00:33,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 00:00:33,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 00:00:33,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 00:00:33,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 00:00:33,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 00:00:33,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 00:00:33,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 00:00:33,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 00:00:33,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-14 00:00:33,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 00:00:33,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 00:00:33,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 00:00:33,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-14 00:00:33,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 00:00:33,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 00:00:33,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 00:00:33,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-14 00:00:33,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 00:00:33,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 00:00:33,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 00:00:33,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 00:00:33,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 00:00:33,478 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-14 00:00:33,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 00:00:33,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 00:00:33,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 00:00:33,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-14 00:00:33,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-14 00:00:33,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 00:00:33,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-14 00:00:33,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 00:00:33,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 00:00:33,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 00:00:33,481 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-14 00:00:33,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 00:00:33,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 00:00:33,481 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_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 [2021-11-14 00:00:33,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 00:00:33,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 00:00:33,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 00:00:33,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 00:00:33,860 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 00:00:33,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-numeric/LogRecursive.c [2021-11-14 00:00:33,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/data/30e8eedb9/a4ff23d189f54ca29e9bdba67229071c/FLAG3a7b4a942 [2021-11-14 00:00:34,545 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 00:00:34,546 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/sv-benchmarks/c/termination-numeric/LogRecursive.c [2021-11-14 00:00:34,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/data/30e8eedb9/a4ff23d189f54ca29e9bdba67229071c/FLAG3a7b4a942 [2021-11-14 00:00:34,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/data/30e8eedb9/a4ff23d189f54ca29e9bdba67229071c [2021-11-14 00:00:34,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 00:00:34,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-14 00:00:34,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 00:00:34,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 00:00:34,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 00:00:34,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:00:34" (1/1) ... [2021-11-14 00:00:34,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c8b15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:34, skipping insertion in model container [2021-11-14 00:00:34,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:00:34" (1/1) ... [2021-11-14 00:00:34,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 00:00:34,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 00:00:35,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 00:00:35,158 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 00:00:35,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 00:00:35,185 INFO L208 MainTranslator]: Completed translation [2021-11-14 00:00:35,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35 WrapperNode [2021-11-14 00:00:35,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 00:00:35,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 00:00:35,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 00:00:35,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 00:00:35,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 00:00:35,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 00:00:35,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 00:00:35,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 00:00:35,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 00:00:35,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 00:00:35,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 00:00:35,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 00:00:35,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-14 00:00:35,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/z3 [2021-11-14 00:00:35,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-14 00:00:35,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f456b62-5133-4e29-8f0d-1d18f102463e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-14 00:00:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure _log [2021-11-14 00:00:35,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _log [2021-11-14 00:00:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 00:00:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 00:00:35,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 00:00:35,623 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 00:00:35,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:00:35 BoogieIcfgContainer [2021-11-14 00:00:35,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 00:00:35,627 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-14 00:00:35,628 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-14 00:00:35,654 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-14 00:00:35,655 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:00:35" (1/1) ... [2021-11-14 00:00:35,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 00:00:35,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-14 00:00:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-14 00:00:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-14 00:00:35,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:35,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:35,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-14 00:00:35,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:00:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2021-11-14 00:00:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-14 00:00:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-14 00:00:36,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:36,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:36,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-14 00:00:36,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:00:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 31 transitions. [2021-11-14 00:00:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-11-14 00:00:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-14 00:00:36,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:36,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:36,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-14 00:00:36,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:00:39,422 WARN L860 $PredicateComparison]: unable to prove that (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= |c__log_#in~x| .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1)))) is different from true [2021-11-14 00:00:42,058 WARN L860 $PredicateComparison]: unable to prove that (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= c__log_~x .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1)))) is different from true [2021-11-14 00:01:12,183 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 00:01:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:16,064 WARN L838 $PredicateComparison]: unable to prove that (not (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= |c__log_#in~x| .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1))))) is different from false [2021-11-14 00:01:19,960 WARN L838 $PredicateComparison]: unable to prove that (not (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= c__log_~x .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1))))) is different from false [2021-11-14 00:01:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 22 transitions. [2021-11-14 00:01:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-14 00:01:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-14 00:01:24,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:24,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:24,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-14 00:01:24,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 00:01:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 28 transitions. [2021-11-14 00:01:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-14 00:01:25,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-14 00:01:25,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:25,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:25,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-14 00:01:25,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 00:01:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 27 transitions. [2021-11-14 00:01:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-14 00:01:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-14 00:01:25,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:25,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:25,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-14 00:01:25,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-14 00:01:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 33 transitions. [2021-11-14 00:01:25,555 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-14 00:01:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-14 00:01:25,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:25,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:25,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-14 00:01:25,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-14 00:01:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 39 transitions. [2021-11-14 00:01:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-14 00:01:25,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-14 00:01:25,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:25,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:25,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-14 00:01:25,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-14 00:01:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 45 transitions. [2021-11-14 00:01:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2021-11-14 00:01:26,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-14 00:01:26,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:26,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:26,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-14 00:01:26,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-14 00:01:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 51 transitions. [2021-11-14 00:01:26,826 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2021-11-14 00:01:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-14 00:01:26,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:26,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:26,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-14 00:01:26,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-11-14 00:01:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 57 transitions. [2021-11-14 00:01:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2021-11-14 00:01:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-14 00:01:27,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:27,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:27,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-14 00:01:27,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-14 00:01:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:27,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 63 transitions. [2021-11-14 00:01:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2021-11-14 00:01:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-14 00:01:27,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:27,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:27,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-14 00:01:27,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-14 00:01:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 69 transitions. [2021-11-14 00:01:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2021-11-14 00:01:28,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-14 00:01:28,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:28,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:28,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-14 00:01:28,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-14 00:01:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:29,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 75 transitions. [2021-11-14 00:01:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2021-11-14 00:01:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-14 00:01:29,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:29,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:29,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-14 00:01:29,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-14 00:01:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 81 transitions. [2021-11-14 00:01:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2021-11-14 00:01:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-14 00:01:29,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:29,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:30,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-14 00:01:30,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-14 00:01:30,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 87 transitions. [2021-11-14 00:01:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2021-11-14 00:01:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-14 00:01:30,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:30,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:30,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-14 00:01:30,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-11-14 00:01:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 77 states and 93 transitions. [2021-11-14 00:01:31,577 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2021-11-14 00:01:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-14 00:01:31,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:31,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:31,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-14 00:01:31,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-11-14 00:01:32,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 99 transitions. [2021-11-14 00:01:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-14 00:01:32,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-14 00:01:32,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:32,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:32,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-14 00:01:32,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-14 00:01:33,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 105 transitions. [2021-11-14 00:01:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2021-11-14 00:01:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-14 00:01:33,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:33,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:33,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-14 00:01:33,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2021-11-14 00:01:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 111 transitions. [2021-11-14 00:01:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2021-11-14 00:01:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-14 00:01:34,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:34,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:34,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-14 00:01:34,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2021-11-14 00:01:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 117 transitions. [2021-11-14 00:01:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2021-11-14 00:01:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-14 00:01:35,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:35,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:35,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-14 00:01:35,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2021-11-14 00:01:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 102 states and 123 transitions. [2021-11-14 00:01:36,561 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 123 transitions. [2021-11-14 00:01:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-14 00:01:36,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:36,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:36,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-14 00:01:36,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2021-11-14 00:01:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 129 transitions. [2021-11-14 00:01:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2021-11-14 00:01:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-14 00:01:37,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:37,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:37,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-14 00:01:37,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2021-11-14 00:01:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 112 states and 135 transitions. [2021-11-14 00:01:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 135 transitions. [2021-11-14 00:01:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-14 00:01:38,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:38,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:38,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-14 00:01:38,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2021-11-14 00:01:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:39,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 117 states and 141 transitions. [2021-11-14 00:01:39,990 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 141 transitions. [2021-11-14 00:01:39,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-14 00:01:39,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:39,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:40,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-14 00:01:40,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2021-11-14 00:01:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 147 transitions. [2021-11-14 00:01:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 147 transitions. [2021-11-14 00:01:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-14 00:01:41,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:41,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:41,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-14 00:01:41,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:41,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2445 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2021-11-14 00:01:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 153 transitions. [2021-11-14 00:01:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 153 transitions. [2021-11-14 00:01:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-14 00:01:42,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:42,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:42,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-14 00:01:42,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2554 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2021-11-14 00:01:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 132 states and 159 transitions. [2021-11-14 00:01:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 159 transitions. [2021-11-14 00:01:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-14 00:01:43,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:43,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:43,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-14 00:01:43,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2907 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2021-11-14 00:01:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 165 transitions. [2021-11-14 00:01:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 165 transitions. [2021-11-14 00:01:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-14 00:01:44,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:44,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:44,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-14 00:01:44,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3153 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2021-11-14 00:01:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 142 states and 171 transitions. [2021-11-14 00:01:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2021-11-14 00:01:46,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-14 00:01:46,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:46,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:46,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-14 00:01:46,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3277 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2021-11-14 00:01:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 147 states and 177 transitions. [2021-11-14 00:01:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 177 transitions. [2021-11-14 00:01:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-14 00:01:47,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:47,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:47,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-14 00:01:47,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3538 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2021-11-14 00:01:49,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 152 states and 183 transitions. [2021-11-14 00:01:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2021-11-14 00:01:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-14 00:01:49,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:49,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:49,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-14 00:01:49,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2021-11-14 00:01:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 157 states and 189 transitions. [2021-11-14 00:01:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 189 transitions. [2021-11-14 00:01:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-14 00:01:50,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:50,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:50,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-14 00:01:50,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4090 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2021-11-14 00:01:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 162 states and 195 transitions. [2021-11-14 00:01:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2021-11-14 00:01:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-14 00:01:52,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:52,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:52,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-14 00:01:52,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4381 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2021-11-14 00:01:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 167 states and 201 transitions. [2021-11-14 00:01:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2021-11-14 00:01:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-14 00:01:53,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:53,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:54,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-14 00:01:54,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2021-11-14 00:01:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 172 states and 207 transitions. [2021-11-14 00:01:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 207 transitions. [2021-11-14 00:01:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-14 00:01:55,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:55,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:55,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-14 00:01:55,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4993 backedges. 0 proven. 2449 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2021-11-14 00:01:57,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:57,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 213 transitions. [2021-11-14 00:01:57,438 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 213 transitions. [2021-11-14 00:01:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-14 00:01:57,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:57,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:57,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-14 00:01:57,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:01:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5314 backedges. 0 proven. 2608 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2021-11-14 00:01:59,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 182 states and 219 transitions. [2021-11-14 00:01:59,133 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 219 transitions. [2021-11-14 00:01:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-14 00:01:59,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:59,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:59,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-14 00:01:59,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5645 backedges. 0 proven. 2772 refuted. 0 times theorem prover too weak. 2873 trivial. 0 not checked. [2021-11-14 00:02:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:00,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 187 states and 225 transitions. [2021-11-14 00:02:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-14 00:02:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-14 00:02:00,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:00,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:01,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-14 00:02:01,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6163 backedges. 0 proven. 2941 refuted. 0 times theorem prover too weak. 3222 trivial. 0 not checked. [2021-11-14 00:02:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 192 states and 231 transitions. [2021-11-14 00:02:02,745 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 231 transitions. [2021-11-14 00:02:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-14 00:02:02,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:02,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:02,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-14 00:02:02,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6337 backedges. 0 proven. 3115 refuted. 0 times theorem prover too weak. 3222 trivial. 0 not checked. [2021-11-14 00:02:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 197 states and 237 transitions. [2021-11-14 00:02:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 237 transitions. [2021-11-14 00:02:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-14 00:02:04,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:04,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:04,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-14 00:02:04,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6885 backedges. 0 proven. 3294 refuted. 0 times theorem prover too weak. 3591 trivial. 0 not checked. [2021-11-14 00:02:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 202 states and 243 transitions. [2021-11-14 00:02:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 243 transitions. [2021-11-14 00:02:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-11-14 00:02:06,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:06,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:06,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-14 00:02:06,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 0 proven. 3478 refuted. 0 times theorem prover too weak. 3783 trivial. 0 not checked. [2021-11-14 00:02:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 207 states and 249 transitions. [2021-11-14 00:02:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 249 transitions. [2021-11-14 00:02:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-14 00:02:08,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:08,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:08,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-14 00:02:08,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7647 backedges. 0 proven. 3667 refuted. 0 times theorem prover too weak. 3980 trivial. 0 not checked. [2021-11-14 00:02:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 212 states and 255 transitions. [2021-11-14 00:02:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 255 transitions. [2021-11-14 00:02:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-11-14 00:02:10,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:10,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:10,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-14 00:02:10,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7841 backedges. 0 proven. 3861 refuted. 0 times theorem prover too weak. 3980 trivial. 0 not checked. [2021-11-14 00:02:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 217 states and 261 transitions. [2021-11-14 00:02:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 261 transitions. [2021-11-14 00:02:12,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-11-14 00:02:12,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:12,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:12,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-14 00:02:12,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8242 backedges. 0 proven. 4060 refuted. 0 times theorem prover too weak. 4182 trivial. 0 not checked. [2021-11-14 00:02:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 222 states and 267 transitions. [2021-11-14 00:02:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 267 transitions. [2021-11-14 00:02:14,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-14 00:02:14,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:14,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:14,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-14 00:02:14,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8865 backedges. 0 proven. 4264 refuted. 0 times theorem prover too weak. 4601 trivial. 0 not checked. [2021-11-14 00:02:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 227 states and 273 transitions. [2021-11-14 00:02:16,664 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 273 transitions. [2021-11-14 00:02:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-11-14 00:02:16,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:16,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:16,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-14 00:02:16,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 9291 backedges. 0 proven. 4473 refuted. 0 times theorem prover too weak. 4818 trivial. 0 not checked. [2021-11-14 00:02:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 232 states and 279 transitions. [2021-11-14 00:02:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 279 transitions. [2021-11-14 00:02:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-14 00:02:18,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:18,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:18,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-14 00:02:18,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9727 backedges. 0 proven. 4687 refuted. 0 times theorem prover too weak. 5040 trivial. 0 not checked. [2021-11-14 00:02:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 237 states and 285 transitions. [2021-11-14 00:02:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 285 transitions. [2021-11-14 00:02:20,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-14 00:02:20,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:20,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:21,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-14 00:02:21,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 9946 backedges. 0 proven. 4906 refuted. 0 times theorem prover too weak. 5040 trivial. 0 not checked. [2021-11-14 00:02:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 242 states and 291 transitions. [2021-11-14 00:02:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 291 transitions. [2021-11-14 00:02:23,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-11-14 00:02:23,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:23,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:23,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-14 00:02:23,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 10397 backedges. 0 proven. 5130 refuted. 0 times theorem prover too weak. 5267 trivial. 0 not checked. [2021-11-14 00:02:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 247 states and 297 transitions. [2021-11-14 00:02:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 297 transitions. [2021-11-14 00:02:25,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-11-14 00:02:25,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:25,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:25,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-14 00:02:25,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 10858 backedges. 0 proven. 5359 refuted. 0 times theorem prover too weak. 5499 trivial. 0 not checked. [2021-11-14 00:02:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 252 states and 303 transitions. [2021-11-14 00:02:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 303 transitions. [2021-11-14 00:02:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-14 00:02:27,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:27,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:28,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-14 00:02:28,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 11329 backedges. 0 proven. 5593 refuted. 0 times theorem prover too weak. 5736 trivial. 0 not checked. [2021-11-14 00:02:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 257 states and 309 transitions. [2021-11-14 00:02:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 309 transitions. [2021-11-14 00:02:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-14 00:02:30,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:30,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:30,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-14 00:02:30,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 11810 backedges. 0 proven. 5832 refuted. 0 times theorem prover too weak. 5978 trivial. 0 not checked. [2021-11-14 00:02:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 262 states and 315 transitions. [2021-11-14 00:02:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 315 transitions. [2021-11-14 00:02:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-14 00:02:32,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:32,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:32,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-14 00:02:32,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12553 backedges. 0 proven. 6076 refuted. 0 times theorem prover too weak. 6477 trivial. 0 not checked. [2021-11-14 00:02:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 321 transitions. [2021-11-14 00:02:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 321 transitions. [2021-11-14 00:02:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-11-14 00:02:34,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:34,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:35,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-14 00:02:35,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12802 backedges. 0 proven. 6325 refuted. 0 times theorem prover too weak. 6477 trivial. 0 not checked. [2021-11-14 00:02:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 272 states and 327 transitions. [2021-11-14 00:02:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 327 transitions. [2021-11-14 00:02:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-11-14 00:02:37,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:37,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:37,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-14 00:02:37,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 13575 backedges. 0 proven. 6579 refuted. 0 times theorem prover too weak. 6996 trivial. 0 not checked. [2021-11-14 00:02:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 277 states and 333 transitions. [2021-11-14 00:02:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 333 transitions. [2021-11-14 00:02:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-11-14 00:02:39,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:39,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:40,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-14 00:02:40,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:41,279 INFO L134 CoverageAnalysis]: Checked inductivity of 13834 backedges. 0 proven. 6838 refuted. 0 times theorem prover too weak. 6996 trivial. 0 not checked. [2021-11-14 00:02:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 282 states and 339 transitions. [2021-11-14 00:02:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 339 transitions. [2021-11-14 00:02:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-11-14 00:02:42,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:42,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:42,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-14 00:02:42,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 7102 refuted. 0 times theorem prover too weak. 7263 trivial. 0 not checked. [2021-11-14 00:02:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 287 states and 345 transitions. [2021-11-14 00:02:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 345 transitions. [2021-11-14 00:02:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-11-14 00:02:44,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:44,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:44,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-14 00:02:44,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 15183 backedges. 0 proven. 7371 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2021-11-14 00:02:47,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 292 states and 351 transitions. [2021-11-14 00:02:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 351 transitions. [2021-11-14 00:02:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-11-14 00:02:47,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:47,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:47,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-14 00:02:47,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 15739 backedges. 0 proven. 7645 refuted. 0 times theorem prover too weak. 8094 trivial. 0 not checked. [2021-11-14 00:02:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 297 states and 357 transitions. [2021-11-14 00:02:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 357 transitions. [2021-11-14 00:02:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2021-11-14 00:02:49,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:49,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:50,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-14 00:02:50,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 16305 backedges. 0 proven. 7924 refuted. 0 times theorem prover too weak. 8381 trivial. 0 not checked. [2021-11-14 00:02:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 302 states and 363 transitions. [2021-11-14 00:02:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 363 transitions. [2021-11-14 00:02:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-11-14 00:02:52,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:52,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:52,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-14 00:02:52,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16589 backedges. 0 proven. 8208 refuted. 0 times theorem prover too weak. 8381 trivial. 0 not checked. [2021-11-14 00:02:55,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 307 states and 369 transitions. [2021-11-14 00:02:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 369 transitions. [2021-11-14 00:02:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2021-11-14 00:02:55,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:55,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:55,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-14 00:02:55,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 17170 backedges. 0 proven. 8497 refuted. 0 times theorem prover too weak. 8673 trivial. 0 not checked. [2021-11-14 00:02:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:02:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 312 states and 375 transitions. [2021-11-14 00:02:58,119 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 375 transitions. [2021-11-14 00:02:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-11-14 00:02:58,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:02:58,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:02:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:02:58,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-14 00:02:58,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:02:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 17761 backedges. 0 proven. 8791 refuted. 0 times theorem prover too weak. 8970 trivial. 0 not checked. [2021-11-14 00:03:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 317 states and 381 transitions. [2021-11-14 00:03:00,973 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 381 transitions. [2021-11-14 00:03:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2021-11-14 00:03:00,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:00,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:01,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-14 00:03:01,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 18669 backedges. 0 proven. 9090 refuted. 0 times theorem prover too weak. 9579 trivial. 0 not checked. [2021-11-14 00:03:03,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 322 states and 387 transitions. [2021-11-14 00:03:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 387 transitions. [2021-11-14 00:03:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2021-11-14 00:03:03,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:03,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:04,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-14 00:03:04,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:05,565 INFO L134 CoverageAnalysis]: Checked inductivity of 18973 backedges. 0 proven. 9394 refuted. 0 times theorem prover too weak. 9579 trivial. 0 not checked. [2021-11-14 00:03:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 327 states and 393 transitions. [2021-11-14 00:03:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 393 transitions. [2021-11-14 00:03:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-11-14 00:03:06,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:06,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:06,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-14 00:03:06,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 19594 backedges. 0 proven. 9703 refuted. 0 times theorem prover too weak. 9891 trivial. 0 not checked. [2021-11-14 00:03:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 332 states and 399 transitions. [2021-11-14 00:03:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 399 transitions. [2021-11-14 00:03:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2021-11-14 00:03:09,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:09,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:09,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-14 00:03:09,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20547 backedges. 0 proven. 10017 refuted. 0 times theorem prover too weak. 10530 trivial. 0 not checked. [2021-11-14 00:03:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:12,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 337 states and 405 transitions. [2021-11-14 00:03:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 405 transitions. [2021-11-14 00:03:12,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2021-11-14 00:03:12,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:12,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:12,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-14 00:03:12,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:14,492 INFO L134 CoverageAnalysis]: Checked inductivity of 21193 backedges. 0 proven. 10336 refuted. 0 times theorem prover too weak. 10857 trivial. 0 not checked. [2021-11-14 00:03:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 342 states and 411 transitions. [2021-11-14 00:03:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 411 transitions. [2021-11-14 00:03:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2021-11-14 00:03:15,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:15,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:15,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-14 00:03:15,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 21517 backedges. 0 proven. 10660 refuted. 0 times theorem prover too weak. 10857 trivial. 0 not checked. [2021-11-14 00:03:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 347 states and 417 transitions. [2021-11-14 00:03:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 417 transitions. [2021-11-14 00:03:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-11-14 00:03:18,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:18,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:19,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-14 00:03:19,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 22515 backedges. 0 proven. 10989 refuted. 0 times theorem prover too weak. 11526 trivial. 0 not checked. [2021-11-14 00:03:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 352 states and 423 transitions. [2021-11-14 00:03:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 423 transitions. [2021-11-14 00:03:22,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2021-11-14 00:03:22,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:22,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:22,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1588 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-14 00:03:22,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 22849 backedges. 0 proven. 11323 refuted. 0 times theorem prover too weak. 11526 trivial. 0 not checked. [2021-11-14 00:03:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 357 states and 429 transitions. [2021-11-14 00:03:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 429 transitions. [2021-11-14 00:03:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2021-11-14 00:03:25,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:25,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:25,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-14 00:03:25,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 23877 backedges. 0 proven. 11662 refuted. 0 times theorem prover too weak. 12215 trivial. 0 not checked. [2021-11-14 00:03:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 362 states and 435 transitions. [2021-11-14 00:03:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 435 transitions. [2021-11-14 00:03:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2021-11-14 00:03:28,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:28,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:28,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-14 00:03:28,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 24221 backedges. 0 proven. 12006 refuted. 0 times theorem prover too weak. 12215 trivial. 0 not checked. [2021-11-14 00:03:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 367 states and 441 transitions. [2021-11-14 00:03:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 441 transitions. [2021-11-14 00:03:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2021-11-14 00:03:31,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:31,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:32,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-14 00:03:32,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 24922 backedges. 0 proven. 12355 refuted. 0 times theorem prover too weak. 12567 trivial. 0 not checked. [2021-11-14 00:03:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:35,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 372 states and 447 transitions. [2021-11-14 00:03:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2021-11-14 00:03:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2021-11-14 00:03:35,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:35,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:35,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 1694 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-14 00:03:35,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 25995 backedges. 0 proven. 12709 refuted. 0 times theorem prover too weak. 13286 trivial. 0 not checked. [2021-11-14 00:03:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 377 states and 453 transitions. [2021-11-14 00:03:38,533 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 453 transitions. [2021-11-14 00:03:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2021-11-14 00:03:38,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:38,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:38,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-14 00:03:38,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 26354 backedges. 0 proven. 13068 refuted. 0 times theorem prover too weak. 13286 trivial. 0 not checked. [2021-11-14 00:03:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:41,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 382 states and 459 transitions. [2021-11-14 00:03:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 459 transitions. [2021-11-14 00:03:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2021-11-14 00:03:41,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:41,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:42,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1726 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-14 00:03:42,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 27085 backedges. 0 proven. 13432 refuted. 0 times theorem prover too weak. 13653 trivial. 0 not checked. [2021-11-14 00:03:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 387 states and 465 transitions. [2021-11-14 00:03:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 465 transitions. [2021-11-14 00:03:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2021-11-14 00:03:45,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:45,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:45,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1763 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-14 00:03:45,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 28203 backedges. 0 proven. 13801 refuted. 0 times theorem prover too weak. 14402 trivial. 0 not checked. [2021-11-14 00:03:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 392 states and 471 transitions. [2021-11-14 00:03:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 471 transitions. [2021-11-14 00:03:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2021-11-14 00:03:49,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:49,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:49,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-14 00:03:49,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 28577 backedges. 0 proven. 14175 refuted. 0 times theorem prover too weak. 14402 trivial. 0 not checked. [2021-11-14 00:03:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 397 states and 477 transitions. [2021-11-14 00:03:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 477 transitions. [2021-11-14 00:03:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2021-11-14 00:03:52,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:52,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:52,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-14 00:03:52,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 29725 backedges. 0 proven. 14554 refuted. 0 times theorem prover too weak. 15171 trivial. 0 not checked. [2021-11-14 00:03:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 402 states and 483 transitions. [2021-11-14 00:03:56,331 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 483 transitions. [2021-11-14 00:03:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2021-11-14 00:03:56,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:56,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:03:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:03:56,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1818 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-14 00:03:56,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:03:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30109 backedges. 0 proven. 14938 refuted. 0 times theorem prover too weak. 15171 trivial. 0 not checked. [2021-11-14 00:03:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:03:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 407 states and 489 transitions. [2021-11-14 00:03:59,969 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 489 transitions. [2021-11-14 00:03:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2021-11-14 00:03:59,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:03:59,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:00,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-14 00:04:00,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 31287 backedges. 0 proven. 15327 refuted. 0 times theorem prover too weak. 15960 trivial. 0 not checked. [2021-11-14 00:04:03,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 412 states and 495 transitions. [2021-11-14 00:04:03,902 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 495 transitions. [2021-11-14 00:04:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2021-11-14 00:04:03,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:03,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:04,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-14 00:04:04,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 32083 backedges. 0 proven. 15721 refuted. 0 times theorem prover too weak. 16362 trivial. 0 not checked. [2021-11-14 00:04:07,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:07,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 417 states and 501 transitions. [2021-11-14 00:04:07,663 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 501 transitions. [2021-11-14 00:04:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2021-11-14 00:04:07,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:07,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:07,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1901 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-14 00:04:07,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 32889 backedges. 0 proven. 16120 refuted. 0 times theorem prover too weak. 16769 trivial. 0 not checked. [2021-11-14 00:04:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 422 states and 507 transitions. [2021-11-14 00:04:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 507 transitions. [2021-11-14 00:04:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2021-11-14 00:04:11,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:11,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:11,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 00:04:11,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 33293 backedges. 0 proven. 16524 refuted. 0 times theorem prover too weak. 16769 trivial. 0 not checked. [2021-11-14 00:04:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 427 states and 513 transitions. [2021-11-14 00:04:15,615 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 513 transitions. [2021-11-14 00:04:15,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2021-11-14 00:04:15,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:15,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:15,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-14 00:04:15,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 34531 backedges. 0 proven. 16933 refuted. 0 times theorem prover too weak. 17598 trivial. 0 not checked. [2021-11-14 00:04:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:19,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 432 states and 519 transitions. [2021-11-14 00:04:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 519 transitions. [2021-11-14 00:04:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2021-11-14 00:04:19,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:19,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:20,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-14 00:04:20,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 35367 backedges. 0 proven. 17347 refuted. 0 times theorem prover too weak. 18020 trivial. 0 not checked. [2021-11-14 00:04:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 437 states and 525 transitions. [2021-11-14 00:04:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 525 transitions. [2021-11-14 00:04:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2021-11-14 00:04:23,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:23,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:24,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 1993 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-14 00:04:24,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:26,226 INFO L134 CoverageAnalysis]: Checked inductivity of 36213 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 18447 trivial. 0 not checked. [2021-11-14 00:04:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 442 states and 531 transitions. [2021-11-14 00:04:27,902 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 531 transitions. [2021-11-14 00:04:27,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2021-11-14 00:04:27,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:27,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:28,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 2002 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-14 00:04:28,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 36637 backedges. 0 proven. 18190 refuted. 0 times theorem prover too weak. 18447 trivial. 0 not checked. [2021-11-14 00:04:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 447 states and 537 transitions. [2021-11-14 00:04:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 537 transitions. [2021-11-14 00:04:31,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2021-11-14 00:04:31,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:31,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:32,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-14 00:04:32,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 37935 backedges. 0 proven. 18619 refuted. 0 times theorem prover too weak. 19316 trivial. 0 not checked. [2021-11-14 00:04:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 452 states and 543 transitions. [2021-11-14 00:04:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 543 transitions. [2021-11-14 00:04:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2021-11-14 00:04:36,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:36,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:36,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-14 00:04:36,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 38369 backedges. 0 proven. 19053 refuted. 0 times theorem prover too weak. 19316 trivial. 0 not checked. [2021-11-14 00:04:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 457 states and 549 transitions. [2021-11-14 00:04:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 549 transitions. [2021-11-14 00:04:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2021-11-14 00:04:40,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:40,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:40,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-14 00:04:40,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 39250 backedges. 0 proven. 19492 refuted. 0 times theorem prover too weak. 19758 trivial. 0 not checked. [2021-11-14 00:04:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 462 states and 555 transitions. [2021-11-14 00:04:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 555 transitions. [2021-11-14 00:04:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 911 [2021-11-14 00:04:44,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:44,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:44,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-14 00:04:44,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 40593 backedges. 0 proven. 19936 refuted. 0 times theorem prover too weak. 20657 trivial. 0 not checked. [2021-11-14 00:04:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 467 states and 561 transitions. [2021-11-14 00:04:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 561 transitions. [2021-11-14 00:04:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2021-11-14 00:04:48,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:48,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:49,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-14 00:04:49,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:51,706 INFO L134 CoverageAnalysis]: Checked inductivity of 41499 backedges. 0 proven. 20385 refuted. 0 times theorem prover too weak. 21114 trivial. 0 not checked. [2021-11-14 00:04:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 472 states and 567 transitions. [2021-11-14 00:04:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 567 transitions. [2021-11-14 00:04:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2021-11-14 00:04:53,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:53,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:53,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-14 00:04:53,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:04:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 41953 backedges. 0 proven. 20839 refuted. 0 times theorem prover too weak. 21114 trivial. 0 not checked. [2021-11-14 00:04:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:04:57,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 477 states and 573 transitions. [2021-11-14 00:04:57,950 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 573 transitions. [2021-11-14 00:04:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2021-11-14 00:04:57,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:04:57,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:04:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:04:58,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 2163 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-14 00:04:58,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 42874 backedges. 0 proven. 21298 refuted. 0 times theorem prover too weak. 21576 trivial. 0 not checked. [2021-11-14 00:05:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 482 states and 579 transitions. [2021-11-14 00:05:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 579 transitions. [2021-11-14 00:05:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2021-11-14 00:05:02,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:02,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:02,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 2186 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-14 00:05:02,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:05,129 INFO L134 CoverageAnalysis]: Checked inductivity of 43805 backedges. 0 proven. 21762 refuted. 0 times theorem prover too weak. 22043 trivial. 0 not checked. [2021-11-14 00:05:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 487 states and 585 transitions. [2021-11-14 00:05:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 585 transitions. [2021-11-14 00:05:07,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2021-11-14 00:05:07,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:07,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:07,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 2209 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-14 00:05:07,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 44746 backedges. 0 proven. 22231 refuted. 0 times theorem prover too weak. 22515 trivial. 0 not checked. [2021-11-14 00:05:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 492 states and 591 transitions. [2021-11-14 00:05:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 591 transitions. [2021-11-14 00:05:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2021-11-14 00:05:11,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:11,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:12,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-14 00:05:12,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 45697 backedges. 0 proven. 22705 refuted. 0 times theorem prover too weak. 22992 trivial. 0 not checked. [2021-11-14 00:05:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 497 states and 597 transitions. [2021-11-14 00:05:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 597 transitions. [2021-11-14 00:05:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 976 [2021-11-14 00:05:16,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:16,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:16,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-14 00:05:16,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 46658 backedges. 0 proven. 23184 refuted. 0 times theorem prover too weak. 23474 trivial. 0 not checked. [2021-11-14 00:05:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 502 states and 603 transitions. [2021-11-14 00:05:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 603 transitions. [2021-11-14 00:05:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2021-11-14 00:05:21,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:21,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:21,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-14 00:05:21,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 47629 backedges. 0 proven. 23668 refuted. 0 times theorem prover too weak. 23961 trivial. 0 not checked. [2021-11-14 00:05:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 507 states and 609 transitions. [2021-11-14 00:05:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 609 transitions. [2021-11-14 00:05:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2021-11-14 00:05:25,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:25,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:26,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-14 00:05:26,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 48610 backedges. 0 proven. 24157 refuted. 0 times theorem prover too weak. 24453 trivial. 0 not checked. [2021-11-14 00:05:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 512 states and 615 transitions. [2021-11-14 00:05:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 615 transitions. [2021-11-14 00:05:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1011 [2021-11-14 00:05:30,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:30,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:31,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-14 00:05:31,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 50103 backedges. 0 proven. 24651 refuted. 0 times theorem prover too weak. 25452 trivial. 0 not checked. [2021-11-14 00:05:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 517 states and 621 transitions. [2021-11-14 00:05:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 621 transitions. [2021-11-14 00:05:35,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2021-11-14 00:05:35,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:35,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:36,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 2361 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-14 00:05:36,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 51109 backedges. 0 proven. 25150 refuted. 0 times theorem prover too weak. 25959 trivial. 0 not checked. [2021-11-14 00:05:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 522 states and 627 transitions. [2021-11-14 00:05:41,103 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 627 transitions. [2021-11-14 00:05:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1031 [2021-11-14 00:05:41,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:41,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:41,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-14 00:05:41,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 52125 backedges. 0 proven. 25654 refuted. 0 times theorem prover too weak. 26471 trivial. 0 not checked. [2021-11-14 00:05:46,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:46,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 527 states and 633 transitions. [2021-11-14 00:05:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 633 transitions. [2021-11-14 00:05:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2021-11-14 00:05:46,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:46,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:46,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 2407 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-14 00:05:46,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 53151 backedges. 0 proven. 26163 refuted. 0 times theorem prover too weak. 26988 trivial. 0 not checked. [2021-11-14 00:05:51,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:51,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 532 states and 639 transitions. [2021-11-14 00:05:51,360 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 639 transitions. [2021-11-14 00:05:51,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2021-11-14 00:05:51,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:51,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:51,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 2430 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-14 00:05:51,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 54187 backedges. 0 proven. 26677 refuted. 0 times theorem prover too weak. 27510 trivial. 0 not checked. [2021-11-14 00:05:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:05:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 537 states and 645 transitions. [2021-11-14 00:05:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 645 transitions. [2021-11-14 00:05:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1056 [2021-11-14 00:05:56,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:05:56,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:05:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:05:56,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-14 00:05:56,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:05:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 54706 backedges. 0 proven. 27196 refuted. 0 times theorem prover too weak. 27510 trivial. 0 not checked. [2021-11-14 00:06:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 542 states and 651 transitions. [2021-11-14 00:06:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 651 transitions. [2021-11-14 00:06:01,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2021-11-14 00:06:01,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:01,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:02,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-14 00:06:02,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 55757 backedges. 0 proven. 27720 refuted. 0 times theorem prover too weak. 28037 trivial. 0 not checked. [2021-11-14 00:06:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 547 states and 657 transitions. [2021-11-14 00:06:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 657 transitions. [2021-11-14 00:06:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2021-11-14 00:06:07,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:07,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:07,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-14 00:06:07,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 57355 backedges. 0 proven. 28249 refuted. 0 times theorem prover too weak. 29106 trivial. 0 not checked. [2021-11-14 00:06:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 552 states and 663 transitions. [2021-11-14 00:06:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 663 transitions. [2021-11-14 00:06:12,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2021-11-14 00:06:12,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:12,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:13,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 2522 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-14 00:06:13,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 58431 backedges. 0 proven. 28783 refuted. 0 times theorem prover too weak. 29648 trivial. 0 not checked. [2021-11-14 00:06:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 557 states and 669 transitions. [2021-11-14 00:06:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 669 transitions. [2021-11-14 00:06:18,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2021-11-14 00:06:18,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:18,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:18,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-14 00:06:18,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 58970 backedges. 0 proven. 29322 refuted. 0 times theorem prover too weak. 29648 trivial. 0 not checked. [2021-11-14 00:06:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 562 states and 675 transitions. [2021-11-14 00:06:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2021-11-14 00:06:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2021-11-14 00:06:23,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:23,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:23,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-14 00:06:24,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 60061 backedges. 0 proven. 29866 refuted. 0 times theorem prover too weak. 30195 trivial. 0 not checked. [2021-11-14 00:06:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 567 states and 681 transitions. [2021-11-14 00:06:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 681 transitions. [2021-11-14 00:06:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2021-11-14 00:06:29,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:29,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:29,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 2591 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-14 00:06:29,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 61719 backedges. 0 proven. 30415 refuted. 0 times theorem prover too weak. 31304 trivial. 0 not checked. [2021-11-14 00:06:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 572 states and 687 transitions. [2021-11-14 00:06:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 687 transitions. [2021-11-14 00:06:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2021-11-14 00:06:34,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:34,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:35,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 2600 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-14 00:06:35,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 62273 backedges. 0 proven. 30969 refuted. 0 times theorem prover too weak. 31304 trivial. 0 not checked. [2021-11-14 00:06:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 577 states and 693 transitions. [2021-11-14 00:06:40,556 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 693 transitions. [2021-11-14 00:06:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2021-11-14 00:06:40,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:40,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:40,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 2623 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-14 00:06:40,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 63394 backedges. 0 proven. 31528 refuted. 0 times theorem prover too weak. 31866 trivial. 0 not checked. [2021-11-14 00:06:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 582 states and 699 transitions. [2021-11-14 00:06:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 699 transitions. [2021-11-14 00:06:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2021-11-14 00:06:46,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:46,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:46,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 2660 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-14 00:06:46,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 65097 backedges. 0 proven. 32092 refuted. 0 times theorem prover too weak. 33005 trivial. 0 not checked. [2021-11-14 00:06:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:52,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 587 states and 705 transitions. [2021-11-14 00:06:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 705 transitions. [2021-11-14 00:06:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1161 [2021-11-14 00:06:52,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:52,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:52,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 2683 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-14 00:06:52,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:06:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 66243 backedges. 0 proven. 32661 refuted. 0 times theorem prover too weak. 33582 trivial. 0 not checked. [2021-11-14 00:06:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:06:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 592 states and 711 transitions. [2021-11-14 00:06:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 711 transitions. [2021-11-14 00:06:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2021-11-14 00:06:57,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:06:57,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:06:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:06:58,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-14 00:06:58,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 66817 backedges. 0 proven. 33235 refuted. 0 times theorem prover too weak. 33582 trivial. 0 not checked. [2021-11-14 00:07:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 597 states and 717 transitions. [2021-11-14 00:07:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 717 transitions. [2021-11-14 00:07:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2021-11-14 00:07:03,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:03,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:03,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 2715 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-14 00:07:03,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 67978 backedges. 0 proven. 33814 refuted. 0 times theorem prover too weak. 34164 trivial. 0 not checked. [2021-11-14 00:07:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 602 states and 723 transitions. [2021-11-14 00:07:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 723 transitions. [2021-11-14 00:07:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1186 [2021-11-14 00:07:09,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:09,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:09,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 2738 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-14 00:07:09,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 69149 backedges. 0 proven. 34398 refuted. 0 times theorem prover too weak. 34751 trivial. 0 not checked. [2021-11-14 00:07:14,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 607 states and 729 transitions. [2021-11-14 00:07:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 729 transitions. [2021-11-14 00:07:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1201 [2021-11-14 00:07:14,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:14,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:15,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 2775 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-14 00:07:15,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 70927 backedges. 0 proven. 34987 refuted. 0 times theorem prover too weak. 35940 trivial. 0 not checked. [2021-11-14 00:07:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 612 states and 735 transitions. [2021-11-14 00:07:20,745 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 735 transitions. [2021-11-14 00:07:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1206 [2021-11-14 00:07:20,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:20,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:21,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2784 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-14 00:07:21,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 71521 backedges. 0 proven. 35581 refuted. 0 times theorem prover too weak. 35940 trivial. 0 not checked. [2021-11-14 00:07:26,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 617 states and 741 transitions. [2021-11-14 00:07:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 741 transitions. [2021-11-14 00:07:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1221 [2021-11-14 00:07:26,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:26,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:27,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 2821 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-14 00:07:27,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 73329 backedges. 0 proven. 36180 refuted. 0 times theorem prover too weak. 37149 trivial. 0 not checked. [2021-11-14 00:07:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 622 states and 747 transitions. [2021-11-14 00:07:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 747 transitions. [2021-11-14 00:07:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1226 [2021-11-14 00:07:32,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:32,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:32,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-14 00:07:32,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 73933 backedges. 0 proven. 36784 refuted. 0 times theorem prover too weak. 37149 trivial. 0 not checked. [2021-11-14 00:07:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 627 states and 753 transitions. [2021-11-14 00:07:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 753 transitions. [2021-11-14 00:07:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1241 [2021-11-14 00:07:38,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:38,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:39,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 2867 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-14 00:07:39,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 75771 backedges. 0 proven. 37393 refuted. 0 times theorem prover too weak. 38378 trivial. 0 not checked. [2021-11-14 00:07:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 632 states and 759 transitions. [2021-11-14 00:07:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 759 transitions. [2021-11-14 00:07:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1246 [2021-11-14 00:07:44,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:44,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:45,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 2876 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-14 00:07:45,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 76385 backedges. 0 proven. 38007 refuted. 0 times theorem prover too weak. 38378 trivial. 0 not checked. [2021-11-14 00:07:51,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 637 states and 765 transitions. [2021-11-14 00:07:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 765 transitions. [2021-11-14 00:07:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1261 [2021-11-14 00:07:51,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:51,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:51,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 2913 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-14 00:07:51,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:07:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 78253 backedges. 0 proven. 38626 refuted. 0 times theorem prover too weak. 39627 trivial. 0 not checked. [2021-11-14 00:07:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:07:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 642 states and 771 transitions. [2021-11-14 00:07:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 771 transitions. [2021-11-14 00:07:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1271 [2021-11-14 00:07:57,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:07:57,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:07:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:07:57,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-14 00:07:57,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 79509 backedges. 0 proven. 39250 refuted. 0 times theorem prover too weak. 40259 trivial. 0 not checked. [2021-11-14 00:08:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 647 states and 777 transitions. [2021-11-14 00:08:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 777 transitions. [2021-11-14 00:08:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1276 [2021-11-14 00:08:03,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:03,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:04,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 2945 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-14 00:08:04,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 80138 backedges. 0 proven. 39879 refuted. 0 times theorem prover too weak. 40259 trivial. 0 not checked. [2021-11-14 00:08:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:10,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 652 states and 783 transitions. [2021-11-14 00:08:10,237 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 783 transitions. [2021-11-14 00:08:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1286 [2021-11-14 00:08:10,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:10,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:10,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-14 00:08:10,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 81409 backedges. 0 proven. 40513 refuted. 0 times theorem prover too weak. 40896 trivial. 0 not checked. [2021-11-14 00:08:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 657 states and 789 transitions. [2021-11-14 00:08:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 789 transitions. [2021-11-14 00:08:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1301 [2021-11-14 00:08:16,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:16,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:17,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 3005 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-14 00:08:17,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 83337 backedges. 0 proven. 41152 refuted. 0 times theorem prover too weak. 42185 trivial. 0 not checked. [2021-11-14 00:08:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 662 states and 795 transitions. [2021-11-14 00:08:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 795 transitions. [2021-11-14 00:08:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1311 [2021-11-14 00:08:23,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:23,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:23,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-14 00:08:23,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 84633 backedges. 0 proven. 41796 refuted. 0 times theorem prover too weak. 42837 trivial. 0 not checked. [2021-11-14 00:08:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 667 states and 801 transitions. [2021-11-14 00:08:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 801 transitions. [2021-11-14 00:08:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1316 [2021-11-14 00:08:29,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:29,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:30,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-14 00:08:30,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 85282 backedges. 0 proven. 42445 refuted. 0 times theorem prover too weak. 42837 trivial. 0 not checked. [2021-11-14 00:08:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 672 states and 807 transitions. [2021-11-14 00:08:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 807 transitions. [2021-11-14 00:08:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1326 [2021-11-14 00:08:36,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:36,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:36,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-14 00:08:36,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 86593 backedges. 0 proven. 43099 refuted. 0 times theorem prover too weak. 43494 trivial. 0 not checked. [2021-11-14 00:08:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 677 states and 813 transitions. [2021-11-14 00:08:42,854 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 813 transitions. [2021-11-14 00:08:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1336 [2021-11-14 00:08:42,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:42,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:43,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 3083 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-14 00:08:43,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 87914 backedges. 0 proven. 43758 refuted. 0 times theorem prover too weak. 44156 trivial. 0 not checked. [2021-11-14 00:08:49,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 682 states and 819 transitions. [2021-11-14 00:08:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 819 transitions. [2021-11-14 00:08:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1346 [2021-11-14 00:08:49,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:49,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:50,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 3106 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-14 00:08:50,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:08:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 89245 backedges. 0 proven. 44422 refuted. 0 times theorem prover too weak. 44823 trivial. 0 not checked. [2021-11-14 00:08:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:08:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 687 states and 825 transitions. [2021-11-14 00:08:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 825 transitions. [2021-11-14 00:08:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1361 [2021-11-14 00:08:56,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:08:56,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:08:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:08:56,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 3143 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-14 00:08:56,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 91263 backedges. 0 proven. 45091 refuted. 0 times theorem prover too weak. 46172 trivial. 0 not checked. [2021-11-14 00:09:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:09:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 692 states and 831 transitions. [2021-11-14 00:09:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 831 transitions. [2021-11-14 00:09:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2021-11-14 00:09:03,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:09:03,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:09:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:09:03,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 3152 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-14 00:09:03,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 91937 backedges. 0 proven. 45765 refuted. 0 times theorem prover too weak. 46172 trivial. 0 not checked. [2021-11-14 00:09:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:09:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 697 states and 837 transitions. [2021-11-14 00:09:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 837 transitions. [2021-11-14 00:09:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1376 [2021-11-14 00:09:10,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:09:10,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:09:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:09:10,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 3175 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-14 00:09:10,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 93298 backedges. 0 proven. 46444 refuted. 0 times theorem prover too weak. 46854 trivial. 0 not checked. [2021-11-14 00:09:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:09:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 702 states and 843 transitions. [2021-11-14 00:09:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 843 transitions. [2021-11-14 00:09:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1391 [2021-11-14 00:09:17,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:09:17,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:09:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:09:17,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 3212 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-14 00:09:17,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 95361 backedges. 0 proven. 47128 refuted. 0 times theorem prover too weak. 48233 trivial. 0 not checked. [2021-11-14 00:09:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:09:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 707 states and 849 transitions. [2021-11-14 00:09:24,283 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 849 transitions. [2021-11-14 00:09:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1396 [2021-11-14 00:09:24,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:09:24,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:09:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:09:24,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 3221 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-14 00:09:24,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 96050 backedges. 0 proven. 47817 refuted. 0 times theorem prover too weak. 48233 trivial. 0 not checked. [2021-11-14 00:09:31,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:09:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 712 states and 855 transitions. [2021-11-14 00:09:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 855 transitions. [2021-11-14 00:09:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2021-11-14 00:09:31,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:09:31,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:09:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:09:31,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 3244 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-14 00:09:31,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 97441 backedges. 0 proven. 48511 refuted. 0 times theorem prover too weak. 48930 trivial. 0 not checked. [2021-11-14 00:09:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:09:38,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 717 states and 861 transitions. [2021-11-14 00:09:38,480 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 861 transitions. [2021-11-14 00:09:38,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1421 [2021-11-14 00:09:38,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:09:38,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:09:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:09:38,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 3281 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-14 00:09:38,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 99549 backedges. 0 proven. 49210 refuted. 0 times theorem prover too weak. 50339 trivial. 0 not checked. [2021-11-14 00:09:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:09:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 722 states and 867 transitions. [2021-11-14 00:09:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 867 transitions. [2021-11-14 00:09:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1431 [2021-11-14 00:09:45,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:09:45,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:09:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:09:46,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 3304 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-14 00:09:46,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 100965 backedges. 0 proven. 49914 refuted. 0 times theorem prover too weak. 51051 trivial. 0 not checked. [2021-11-14 00:09:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:09:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 727 states and 873 transitions. [2021-11-14 00:09:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 873 transitions. [2021-11-14 00:09:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1441 [2021-11-14 00:09:53,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:09:53,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:09:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:09:53,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 3327 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-14 00:09:53,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:09:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 102391 backedges. 0 proven. 50623 refuted. 0 times theorem prover too weak. 51768 trivial. 0 not checked. [2021-11-14 00:10:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:10:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 732 states and 879 transitions. [2021-11-14 00:10:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 879 transitions. [2021-11-14 00:10:00,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1446 [2021-11-14 00:10:00,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:10:00,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:10:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:10:00,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 3336 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-14 00:10:00,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:10:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 103105 backedges. 0 proven. 51337 refuted. 0 times theorem prover too weak. 51768 trivial. 0 not checked. [2021-11-14 00:10:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:10:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 737 states and 885 transitions. [2021-11-14 00:10:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 885 transitions. [2021-11-14 00:10:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1461 [2021-11-14 00:10:07,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:10:07,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:10:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:10:08,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 3373 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-14 00:10:08,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:10:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 105273 backedges. 0 proven. 52056 refuted. 0 times theorem prover too weak. 53217 trivial. 0 not checked. [2021-11-14 00:10:14,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:10:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 742 states and 891 transitions. [2021-11-14 00:10:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 891 transitions. [2021-11-14 00:10:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1466 [2021-11-14 00:10:14,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:10:14,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:10:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:10:15,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-14 00:10:15,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:10:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 105997 backedges. 0 proven. 52780 refuted. 0 times theorem prover too weak. 53217 trivial. 0 not checked. [2021-11-14 00:10:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:10:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 747 states and 897 transitions. [2021-11-14 00:10:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 897 transitions. [2021-11-14 00:10:22,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1481 [2021-11-14 00:10:22,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:10:22,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:10:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:10:22,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 3419 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-14 00:10:22,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:10:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 108195 backedges. 0 proven. 53509 refuted. 0 times theorem prover too weak. 54686 trivial. 0 not checked. [2021-11-14 00:10:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:10:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 752 states and 903 transitions. [2021-11-14 00:10:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 903 transitions. [2021-11-14 00:10:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1491 [2021-11-14 00:10:29,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:10:29,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:10:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:10:30,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 3442 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-14 00:10:30,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:10:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 109671 backedges. 0 proven. 54243 refuted. 0 times theorem prover too weak. 55428 trivial. 0 not checked. [2021-11-14 00:10:37,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:10:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 757 states and 909 transitions. [2021-11-14 00:10:37,089 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 909 transitions. [2021-11-14 00:10:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1501 [2021-11-14 00:10:37,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:10:37,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:10:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:10:37,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 3465 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-14 00:10:37,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:10:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 111157 backedges. 0 proven. 54982 refuted. 0 times theorem prover too weak. 56175 trivial. 0 not checked. [2021-11-14 00:10:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:10:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 762 states and 915 transitions. [2021-11-14 00:10:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 915 transitions. [2021-11-14 00:10:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1506 [2021-11-14 00:10:44,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:10:44,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:10:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:10:45,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 3474 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-14 00:10:45,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:10:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 111901 backedges. 0 proven. 55726 refuted. 0 times theorem prover too weak. 56175 trivial. 0 not checked. [2021-11-14 00:10:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:10:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 767 states and 921 transitions. [2021-11-14 00:10:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 921 transitions. [2021-11-14 00:10:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2021-11-14 00:10:52,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:10:52,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:10:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:10:53,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 3511 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-14 00:10:53,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:10:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 114159 backedges. 0 proven. 56475 refuted. 0 times theorem prover too weak. 57684 trivial. 0 not checked. [2021-11-14 00:11:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:11:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 772 states and 927 transitions. [2021-11-14 00:11:00,097 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 927 transitions. [2021-11-14 00:11:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2021-11-14 00:11:00,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:11:00,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:11:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:11:00,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 3534 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-14 00:11:00,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:11:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 115675 backedges. 0 proven. 57229 refuted. 0 times theorem prover too weak. 58446 trivial. 0 not checked. [2021-11-14 00:11:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:11:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 777 states and 933 transitions. [2021-11-14 00:11:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 933 transitions. [2021-11-14 00:11:07,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1541 [2021-11-14 00:11:07,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:11:07,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:11:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:11:08,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 3557 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-14 00:11:08,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:11:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 117201 backedges. 0 proven. 57988 refuted. 0 times theorem prover too weak. 59213 trivial. 0 not checked. [2021-11-14 00:11:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:11:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 782 states and 939 transitions. [2021-11-14 00:11:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 939 transitions. [2021-11-14 00:11:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1551 [2021-11-14 00:11:16,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:11:16,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:11:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:11:16,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 3580 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-14 00:11:16,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:11:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 118737 backedges. 0 proven. 58752 refuted. 0 times theorem prover too weak. 59985 trivial. 0 not checked. [2021-11-14 00:11:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:11:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 787 states and 945 transitions. [2021-11-14 00:11:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 945 transitions. [2021-11-14 00:11:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1556 [2021-11-14 00:11:23,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:11:23,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:11:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:11:24,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-14 00:11:24,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 00:11:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 119506 backedges. 0 proven. 59521 refuted. 0 times theorem prover too weak. 59985 trivial. 0 not checked. [2021-11-14 00:11:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:11:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 792 states and 951 transitions. [2021-11-14 00:11:31,795 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 951 transitions. [2021-11-14 00:11:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1571 [2021-11-14 00:11:31,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:11:31,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:11:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:11:32,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 3626 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-14 00:11:32,359 INFO L286 TraceCheckSpWp]: Computing forward predicates...