./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:37:13,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:37:13,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:37:13,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:37:13,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:37:13,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:37:13,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:37:13,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:37:13,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:37:13,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:37:13,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:37:13,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:37:13,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:37:13,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:37:13,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:37:13,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:37:13,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:37:13,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:37:13,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:37:13,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:37:13,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:37:13,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:37:13,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:37:13,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:37:13,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:37:13,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:37:13,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:37:13,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:37:13,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:37:13,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:37:13,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:37:13,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:37:13,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:37:13,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:37:13,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:37:13,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:37:13,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:37:13,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:37:13,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:37:13,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:37:13,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:37:13,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:37:13,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:37:13,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:37:13,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:37:13,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:37:13,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:37:13,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:37:13,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:37:13,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:37:13,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:37:13,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:37:13,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:37:13,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:37:13,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:37:13,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:37:13,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:37:13,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:37:13,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:37:13,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:37:13,700 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:37:13,700 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:37:13,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:37:13,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:13,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:37:13,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:37:13,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:37:13,701 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:37:13,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:37:13,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:37:13,702 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_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 [2021-11-23 00:37:14,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:37:14,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:37:14,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:37:14,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:37:14,096 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:37:14,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2021-11-23 00:37:14,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/data/f868d2cbb/761dab7630344af98138e75e661ea97c/FLAGc7bec0d5e [2021-11-23 00:37:14,606 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:37:14,607 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2021-11-23 00:37:14,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/data/f868d2cbb/761dab7630344af98138e75e661ea97c/FLAGc7bec0d5e [2021-11-23 00:37:14,992 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/data/f868d2cbb/761dab7630344af98138e75e661ea97c [2021-11-23 00:37:14,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:37:14,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:37:14,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:14,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:37:15,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:37:15,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:14" (1/1) ... [2021-11-23 00:37:15,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44785b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15, skipping insertion in model container [2021-11-23 00:37:15,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:14" (1/1) ... [2021-11-23 00:37:15,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:37:15,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:37:15,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c[458,471] [2021-11-23 00:37:15,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:15,235 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:37:15,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c[458,471] [2021-11-23 00:37:15,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:15,287 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:37:15,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15 WrapperNode [2021-11-23 00:37:15,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:15,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:15,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:37:15,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:37:15,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,329 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-23 00:37:15,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:15,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:37:15,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:37:15,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:37:15,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:37:15,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:37:15,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:37:15,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:37:15,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:15,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:37:15,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:37:15,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e834788d-5ae4-4aa7-b3e9-3dd1260f82dd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:37:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:37:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:37:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:37:15,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:37:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:37:15,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:37:15,531 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:37:15,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:37:15,696 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:37:15,708 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:37:15,708 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:37:15,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:15 BoogieIcfgContainer [2021-11-23 00:37:15,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:37:15,712 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:37:15,712 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:37:15,723 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:37:15,724 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:15" (1/1) ... [2021-11-23 00:37:15,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:37:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 00:37:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 00:37:15,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:37:15,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:15,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:15,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:15,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 00:37:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 00:37:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:15,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:15,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 00:37:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 00:37:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:16,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:16,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:16,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:37:16,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:16,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 00:37:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 00:37:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:37:16,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:16,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:16,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:37:16,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2021-11-23 00:37:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2021-11-23 00:37:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:16,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:16,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:16,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:37:16,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2021-11-23 00:37:18,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2021-11-23 00:37:18,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:18,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:18,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:18,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:37:18,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2021-11-23 00:37:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2021-11-23 00:37:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:18,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:18,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:18,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:37:18,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2021-11-23 00:37:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2021-11-23 00:37:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:37:19,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:19,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:19,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:37:19,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:20,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 89 transitions. [2021-11-23 00:37:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 89 transitions. [2021-11-23 00:37:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:37:20,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:20,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:20,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:37:20,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 122 transitions. [2021-11-23 00:37:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 122 transitions. [2021-11-23 00:37:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:37:22,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:22,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:37:22,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2021-11-23 00:37:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2021-11-23 00:37:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:22,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:22,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:37:22,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 61 states and 165 transitions. [2021-11-23 00:37:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 165 transitions. [2021-11-23 00:37:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:24,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:24,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:24,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:37:24,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 65 states and 181 transitions. [2021-11-23 00:37:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 181 transitions. [2021-11-23 00:37:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:26,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:37:26,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 67 states and 183 transitions. [2021-11-23 00:37:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 183 transitions. [2021-11-23 00:37:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:26,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:37:26,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 182 transitions. [2021-11-23 00:37:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 182 transitions. [2021-11-23 00:37:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:27,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:27,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:27,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:37:27,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:28,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 69 states and 184 transitions. [2021-11-23 00:37:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 184 transitions. [2021-11-23 00:37:28,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:37:28,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:28,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:28,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:37:28,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:37:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:28,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 190 transitions. [2021-11-23 00:37:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 190 transitions. [2021-11-23 00:37:28,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:37:28,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:28,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:28,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:37:28,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:31,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:31,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 79 states and 233 transitions. [2021-11-23 00:37:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 233 transitions. [2021-11-23 00:37:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:37:31,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:31,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:31,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:37:31,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:33,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 83 states and 236 transitions. [2021-11-23 00:37:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 236 transitions. [2021-11-23 00:37:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:37:33,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:33,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:37:33,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 85 states and 238 transitions. [2021-11-23 00:37:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 238 transitions. [2021-11-23 00:37:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:37:34,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:34,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:34,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:37:34,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 89 states and 255 transitions. [2021-11-23 00:37:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 255 transitions. [2021-11-23 00:37:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:37:36,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:36,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:36,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:37:36,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 91 states and 257 transitions. [2021-11-23 00:37:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 257 transitions. [2021-11-23 00:37:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:37:37,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:37,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:37,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:37:37,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 95 states and 281 transitions. [2021-11-23 00:37:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 281 transitions. [2021-11-23 00:37:38,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:37:38,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:37:38,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2021-11-23 00:37:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2021-11-23 00:37:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:37:39,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:39,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:37:39,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 101 states and 318 transitions. [2021-11-23 00:37:41,397 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 318 transitions. [2021-11-23 00:37:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:37:41,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:37:41,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 103 states and 320 transitions. [2021-11-23 00:37:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 320 transitions. [2021-11-23 00:37:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:37:42,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:37:42,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 103 states and 319 transitions. [2021-11-23 00:37:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 319 transitions. [2021-11-23 00:37:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:37:43,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:37:43,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:37:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:44,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 106 states and 330 transitions. [2021-11-23 00:37:44,521 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 330 transitions. [2021-11-23 00:37:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:37:44,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:44,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:44,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:44,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:37:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 115 states and 385 transitions. [2021-11-23 00:37:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 385 transitions. [2021-11-23 00:37:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:37:49,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:49,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:49,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:37:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:50,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 119 states and 388 transitions. [2021-11-23 00:37:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 388 transitions. [2021-11-23 00:37:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:37:50,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:50,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:51,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:51,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:37:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 121 states and 390 transitions. [2021-11-23 00:37:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 390 transitions. [2021-11-23 00:37:52,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:37:52,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:52,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:52,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:52,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:37:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 123 states and 392 transitions. [2021-11-23 00:37:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 392 transitions. [2021-11-23 00:37:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:37:53,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:53,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:53,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:53,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:37:54,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:54,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 125 states and 393 transitions. [2021-11-23 00:37:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 393 transitions. [2021-11-23 00:37:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:37:54,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:54,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:54,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:37:54,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:37:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 129 states and 414 transitions. [2021-11-23 00:37:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 414 transitions. [2021-11-23 00:37:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:37:57,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:57,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:57,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:37:57,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:37:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 131 states and 416 transitions. [2021-11-23 00:37:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 416 transitions. [2021-11-23 00:37:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:37:58,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:58,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:58,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:37:58,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:58,969 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:38:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 133 states and 418 transitions. [2021-11-23 00:38:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 418 transitions. [2021-11-23 00:38:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:38:00,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:00,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:00,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:38:00,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 137 states and 449 transitions. [2021-11-23 00:38:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 449 transitions. [2021-11-23 00:38:02,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:38:02,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:02,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:02,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:38:02,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:38:04,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 139 states and 451 transitions. [2021-11-23 00:38:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 451 transitions. [2021-11-23 00:38:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:38:04,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:04,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:04,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:38:04,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 143 states and 495 transitions. [2021-11-23 00:38:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 495 transitions. [2021-11-23 00:38:05,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:38:05,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:05,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:05,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:38:05,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:38:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 145 states and 497 transitions. [2021-11-23 00:38:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 497 transitions. [2021-11-23 00:38:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:38:07,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:38:07,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:08,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:08,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 145 states and 496 transitions. [2021-11-23 00:38:08,317 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 496 transitions. [2021-11-23 00:38:08,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:38:08,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:08,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:08,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:38:08,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 145 states and 495 transitions. [2021-11-23 00:38:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 495 transitions. [2021-11-23 00:38:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:38:09,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:09,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:09,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:38:09,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 00:38:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:09,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 146 states and 502 transitions. [2021-11-23 00:38:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 502 transitions. [2021-11-23 00:38:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:38:09,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:09,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:09,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:09,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 155 states and 569 transitions. [2021-11-23 00:38:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 569 transitions. [2021-11-23 00:38:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:38:15,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:15,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:15,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:15,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 157 states and 571 transitions. [2021-11-23 00:38:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 571 transitions. [2021-11-23 00:38:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:38:17,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:17,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:17,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:17,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 159 states and 573 transitions. [2021-11-23 00:38:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 573 transitions. [2021-11-23 00:38:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:38:18,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:18,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:18,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:18,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 161 states and 575 transitions. [2021-11-23 00:38:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 575 transitions. [2021-11-23 00:38:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:38:20,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:20,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:20,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:20,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 163 states and 577 transitions. [2021-11-23 00:38:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 577 transitions. [2021-11-23 00:38:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:38:21,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:21,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:21,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:21,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:23,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 165 states and 578 transitions. [2021-11-23 00:38:23,389 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 578 transitions. [2021-11-23 00:38:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:38:23,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:23,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:23,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:23,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:24,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 167 states and 579 transitions. [2021-11-23 00:38:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 579 transitions. [2021-11-23 00:38:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:38:24,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:24,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:24,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:38:24,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 169 states and 580 transitions. [2021-11-23 00:38:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 580 transitions. [2021-11-23 00:38:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:26,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:26,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:26,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:38:26,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 173 states and 605 transitions. [2021-11-23 00:38:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 605 transitions. [2021-11-23 00:38:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:30,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:30,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:30,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:38:30,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:32,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 175 states and 607 transitions. [2021-11-23 00:38:32,719 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 607 transitions. [2021-11-23 00:38:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:32,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:32,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:32,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:38:32,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 177 states and 609 transitions. [2021-11-23 00:38:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 609 transitions. [2021-11-23 00:38:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:35,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:35,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:35,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:38:35,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 179 states and 611 transitions. [2021-11-23 00:38:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 611 transitions. [2021-11-23 00:38:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:37,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:37,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:37,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:38:37,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 181 states and 613 transitions. [2021-11-23 00:38:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 613 transitions. [2021-11-23 00:38:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:40,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:40,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:40,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:38:40,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:43,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 185 states and 651 transitions. [2021-11-23 00:38:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 651 transitions. [2021-11-23 00:38:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:43,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:43,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:44,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:38:44,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:38:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 187 states and 653 transitions. [2021-11-23 00:38:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 653 transitions. [2021-11-23 00:38:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:46,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:46,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:46,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:38:46,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 191 states and 706 transitions. [2021-11-23 00:38:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 706 transitions. [2021-11-23 00:38:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:48,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:48,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:49,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:38:49,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:50,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 191 states and 705 transitions. [2021-11-23 00:38:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 705 transitions. [2021-11-23 00:38:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:50,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:50,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:50,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:38:50,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 191 states and 704 transitions. [2021-11-23 00:38:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 704 transitions. [2021-11-23 00:38:51,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:38:51,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:51,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:51,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:38:51,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 191 states and 703 transitions. [2021-11-23 00:38:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 703 transitions. [2021-11-23 00:38:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:38:52,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:52,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:52,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:38:52,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 00:38:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:53,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 192 states and 711 transitions. [2021-11-23 00:38:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 711 transitions. [2021-11-23 00:38:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:38:53,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:53,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:53,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:38:53,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 201 states and 790 transitions. [2021-11-23 00:39:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 790 transitions. [2021-11-23 00:39:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:39:01,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:01,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:01,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:39:01,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:05,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:05,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 205 states and 793 transitions. [2021-11-23 00:39:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 793 transitions. [2021-11-23 00:39:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:39:05,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:05,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:05,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:39:05,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:07,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 207 states and 795 transitions. [2021-11-23 00:39:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 795 transitions. [2021-11-23 00:39:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:39:07,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:07,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:07,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:39:07,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 209 states and 797 transitions. [2021-11-23 00:39:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 797 transitions. [2021-11-23 00:39:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:39:09,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:09,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:09,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:39:09,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 211 states and 798 transitions. [2021-11-23 00:39:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 798 transitions. [2021-11-23 00:39:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:39:12,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:12,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:12,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:39:12,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 215 states and 801 transitions. [2021-11-23 00:39:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 801 transitions. [2021-11-23 00:39:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:39:16,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:16,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:16,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:39:16,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:16,402 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 217 states and 803 transitions. [2021-11-23 00:39:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 803 transitions. [2021-11-23 00:39:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:39:18,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:18,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:18,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:39:18,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 219 states and 804 transitions. [2021-11-23 00:39:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 804 transitions. [2021-11-23 00:39:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:20,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:20,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:21,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 00:39:21,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:25,050 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 26 proven. 79 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:39:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 223 states and 833 transitions. [2021-11-23 00:39:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 833 transitions. [2021-11-23 00:39:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:33,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:33,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:33,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:39:33,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 231 states and 941 transitions. [2021-11-23 00:39:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 941 transitions. [2021-11-23 00:39:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:40,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:40,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:40,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:39:40,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 233 states and 943 transitions. [2021-11-23 00:39:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 943 transitions. [2021-11-23 00:39:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:44,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:44,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:45,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:39:45,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:46,988 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 235 states and 945 transitions. [2021-11-23 00:39:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 945 transitions. [2021-11-23 00:39:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:50,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:50,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:50,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:39:50,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 235 states and 944 transitions. [2021-11-23 00:39:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 944 transitions. [2021-11-23 00:39:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:51,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:51,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:53,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:39:53,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:39:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:56,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 237 states and 946 transitions. [2021-11-23 00:39:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 946 transitions. [2021-11-23 00:39:56,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:56,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:56,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:56,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:39:56,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 237 states and 945 transitions. [2021-11-23 00:39:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 945 transitions. [2021-11-23 00:39:57,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:57,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:57,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:59,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 00:39:59,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 26 proven. 79 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:40:06,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 239 states and 947 transitions. [2021-11-23 00:40:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 947 transitions. [2021-11-23 00:40:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:40:06,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:06,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:06,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:40:06,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 239 states and 946 transitions. [2021-11-23 00:40:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 946 transitions. [2021-11-23 00:40:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:40:07,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:07,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:09,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:40:09,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 20 proven. 85 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:40:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 241 states and 948 transitions. [2021-11-23 00:40:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 948 transitions. [2021-11-23 00:40:13,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:40:13,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:13,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:15,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:40:15,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:40:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 243 states and 950 transitions. [2021-11-23 00:40:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 950 transitions. [2021-11-23 00:40:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:40:19,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:19,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:19,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:40:19,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 243 states and 949 transitions. [2021-11-23 00:40:21,062 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 949 transitions. [2021-11-23 00:40:21,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:40:21,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:21,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:21,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:40:21,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:22,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 243 states and 948 transitions. [2021-11-23 00:40:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 948 transitions. [2021-11-23 00:40:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:40:22,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:22,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:22,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:40:22,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-23 00:40:23,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 244 states and 957 transitions. [2021-11-23 00:40:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 957 transitions. [2021-11-23 00:40:23,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:40:23,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:23,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:23,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:40:23,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:40:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 253 states and 1048 transitions. [2021-11-23 00:40:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 1048 transitions. [2021-11-23 00:40:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:40:37,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:37,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:37,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:40:37,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:40:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 255 states and 1050 transitions. [2021-11-23 00:40:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 1050 transitions. [2021-11-23 00:40:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:40:40,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:40,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:40,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:40:40,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:40:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:44,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 257 states and 1052 transitions. [2021-11-23 00:40:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 1052 transitions. [2021-11-23 00:40:44,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:40:44,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:44,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:44,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:40:44,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:40:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 259 states and 1054 transitions. [2021-11-23 00:40:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 1054 transitions. [2021-11-23 00:40:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:40:47,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:47,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:47,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:40:47,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:40:50,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 261 states and 1056 transitions. [2021-11-23 00:40:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 1056 transitions. [2021-11-23 00:40:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:40:50,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:50,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:50,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:40:50,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:40:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 263 states and 1057 transitions. [2021-11-23 00:40:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 1057 transitions. [2021-11-23 00:40:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:40:53,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:53,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:53,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:40:53,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:41:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 267 states and 1060 transitions. [2021-11-23 00:41:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1060 transitions. [2021-11-23 00:41:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:41:00,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:00,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:00,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:41:00,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:41:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 269 states and 1062 transitions. [2021-11-23 00:41:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 1062 transitions. [2021-11-23 00:41:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:41:03,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:03,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:03,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:41:03,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:41:07,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:07,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 271 states and 1063 transitions. [2021-11-23 00:41:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 1063 transitions. [2021-11-23 00:41:07,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:41:07,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:07,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:07,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:41:07,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:41:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 273 states and 1064 transitions. [2021-11-23 00:41:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 1064 transitions. [2021-11-23 00:41:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:41:10,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:10,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:10,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:41:10,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:41:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 275 states and 1065 transitions. [2021-11-23 00:41:14,483 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1065 transitions. [2021-11-23 00:41:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:41:14,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:14,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:15,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:41:15,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:41:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 279 states and 1098 transitions. [2021-11-23 00:41:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1098 transitions. [2021-11-23 00:41:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:41:25,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:25,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:27,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:41:27,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:30,828 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:41:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 281 states and 1100 transitions. [2021-11-23 00:41:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 1100 transitions. [2021-11-23 00:41:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:41:38,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:38,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:41,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:41:41,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:41:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 285 states and 1107 transitions. [2021-11-23 00:41:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1107 transitions. [2021-11-23 00:41:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:41:54,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:54,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:56,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:41:56,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:42:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 287 states and 1109 transitions. [2021-11-23 00:42:04,188 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1109 transitions. [2021-11-23 00:42:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:04,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:04,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:07,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:42:07,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:42:12,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 289 states and 1111 transitions. [2021-11-23 00:42:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1111 transitions. [2021-11-23 00:42:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:12,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:12,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:14,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:42:14,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:42:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 291 states and 1113 transitions. [2021-11-23 00:42:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 1113 transitions. [2021-11-23 00:42:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:21,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:21,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:21,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:42:21,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 295 states and 1165 transitions. [2021-11-23 00:42:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1165 transitions. [2021-11-23 00:42:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:28,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:30,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:42:30,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:42:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 297 states and 1167 transitions. [2021-11-23 00:42:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1167 transitions. [2021-11-23 00:42:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:44,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:44,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:44,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:42:44,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 301 states and 1230 transitions. [2021-11-23 00:42:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1230 transitions. [2021-11-23 00:42:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:42:53,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:42:55,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:43:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 303 states and 1232 transitions. [2021-11-23 00:43:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1232 transitions. [2021-11-23 00:43:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:43:01,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:01,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:01,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:43:01,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 303 states and 1231 transitions. [2021-11-23 00:43:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1231 transitions. [2021-11-23 00:43:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:43:03,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:03,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:03,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:43:03,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 303 states and 1230 transitions. [2021-11-23 00:43:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1230 transitions. [2021-11-23 00:43:05,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:43:05,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:05,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:05,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:43:05,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:08,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 303 states and 1229 transitions. [2021-11-23 00:43:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1229 transitions. [2021-11-23 00:43:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:43:08,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:08,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:08,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:43:08,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 303 states and 1228 transitions. [2021-11-23 00:43:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1228 transitions. [2021-11-23 00:43:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:43:10,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:10,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:10,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:43:10,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 303 states and 1227 transitions. [2021-11-23 00:43:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1227 transitions. [2021-11-23 00:43:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:43:12,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:12,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:12,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:43:12,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 00:43:14,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 304 states and 1237 transitions. [2021-11-23 00:43:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1237 transitions. [2021-11-23 00:43:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:43:14,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:14,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:14,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:43:14,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:43:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:34,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 313 states and 1339 transitions. [2021-11-23 00:43:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1339 transitions. [2021-11-23 00:43:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:43:34,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:34,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:34,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:43:34,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:43:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 317 states and 1342 transitions. [2021-11-23 00:43:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 1342 transitions. [2021-11-23 00:43:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:43:42,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:42,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:42,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:43:42,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:42,576 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:43:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 319 states and 1343 transitions. [2021-11-23 00:43:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1343 transitions. [2021-11-23 00:43:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:43:47,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:47,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:47,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:43:47,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:43:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:50,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 321 states and 1345 transitions. [2021-11-23 00:43:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1345 transitions. [2021-11-23 00:43:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:43:50,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:50,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:50,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:43:50,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:43:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 323 states and 1347 transitions. [2021-11-23 00:43:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1347 transitions. [2021-11-23 00:43:54,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:43:54,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:54,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:54,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:43:54,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:43:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 325 states and 1348 transitions. [2021-11-23 00:43:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1348 transitions. [2021-11-23 00:43:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:43:59,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:59,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:00,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:44:00,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:44:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 327 states and 1350 transitions. [2021-11-23 00:44:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1350 transitions. [2021-11-23 00:44:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:44:03,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:03,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:03,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:44:03,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:44:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 329 states and 1352 transitions. [2021-11-23 00:44:07,148 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1352 transitions. [2021-11-23 00:44:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:44:07,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:07,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:07,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:44:07,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:44:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 331 states and 1354 transitions. [2021-11-23 00:44:10,541 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1354 transitions. [2021-11-23 00:44:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:44:10,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:10,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:10,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:44:10,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:44:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 333 states and 1356 transitions. [2021-11-23 00:44:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1356 transitions. [2021-11-23 00:44:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:44:14,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:14,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:14,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:44:14,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:44:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 335 states and 1357 transitions. [2021-11-23 00:44:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1357 transitions. [2021-11-23 00:44:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:44:19,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:19,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:19,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:44:19,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:44:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 337 states and 1358 transitions. [2021-11-23 00:44:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1358 transitions. [2021-11-23 00:44:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:44:24,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:24,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:24,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:44:24,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:44:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 339 states and 1359 transitions. [2021-11-23 00:44:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1359 transitions. [2021-11-23 00:44:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:44:29,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:29,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:33,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:44:33,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 00:44:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 343 states and 1396 transitions. [2021-11-23 00:44:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1396 transitions. [2021-11-23 00:44:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:44:51,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:54,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 00:44:54,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 47 proven. 141 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-23 00:45:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:09,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 345 states and 1398 transitions. [2021-11-23 00:45:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1398 transitions. [2021-11-23 00:45:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:45:09,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:09,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:13,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:45:13,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 50 proven. 138 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-23 00:45:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 347 states and 1400 transitions. [2021-11-23 00:45:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1400 transitions. [2021-11-23 00:45:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:45:26,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:26,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:30,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:45:30,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 00:45:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 349 states and 1402 transitions. [2021-11-23 00:45:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1402 transitions. [2021-11-23 00:45:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:45:50,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:50,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 00:45:53,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 38 proven. 150 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-23 00:46:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 351 states and 1404 transitions. [2021-11-23 00:46:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1404 transitions. [2021-11-23 00:46:10,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:10,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:10,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:15,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:46:15,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:18,613 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 144 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-23 00:46:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 353 states and 1406 transitions. [2021-11-23 00:46:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1406 transitions. [2021-11-23 00:46:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:30,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:30,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:32,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:46:32,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 140 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 00:46:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 355 states and 1408 transitions. [2021-11-23 00:46:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1408 transitions. [2021-11-23 00:46:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:46:48,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:48,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:51,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:46:51,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 144 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-23 00:47:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 357 states and 1410 transitions. [2021-11-23 00:47:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1410 transitions. [2021-11-23 00:47:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:07,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:07,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:07,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:47:07,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:10,378 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 361 states and 1469 transitions. [2021-11-23 00:47:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 1469 transitions. [2021-11-23 00:47:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:22,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:22,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:26,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:47:26,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 00:47:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 363 states and 1471 transitions. [2021-11-23 00:47:42,076 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1471 transitions. [2021-11-23 00:47:42,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:42,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:42,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:42,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:47:42,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:56,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 367 states and 1542 transitions. [2021-11-23 00:47:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1542 transitions. [2021-11-23 00:47:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:56,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:56,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:56,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:47:56,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 367 states and 1541 transitions. [2021-11-23 00:47:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1541 transitions. [2021-11-23 00:47:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:47:58,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:58,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:58,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:47:58,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 367 states and 1540 transitions. [2021-11-23 00:48:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1540 transitions. [2021-11-23 00:48:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:48:01,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:01,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:01,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:48:01,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 367 states and 1539 transitions. [2021-11-23 00:48:03,812 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1539 transitions. [2021-11-23 00:48:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:48:03,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:03,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:03,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:48:03,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:03,968 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 367 states and 1538 transitions. [2021-11-23 00:48:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1538 transitions. [2021-11-23 00:48:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:48:06,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:06,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:06,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:48:06,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 367 states and 1537 transitions. [2021-11-23 00:48:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1537 transitions. [2021-11-23 00:48:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:48:09,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:09,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:09,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:48:09,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 367 states and 1536 transitions. [2021-11-23 00:48:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1536 transitions. [2021-11-23 00:48:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:48:12,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:12,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:12,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:48:12,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-23 00:48:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 368 states and 1547 transitions. [2021-11-23 00:48:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 1547 transitions. [2021-11-23 00:48:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:48:15,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:15,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:15,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:48:15,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 00:48:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 377 states and 1660 transitions. [2021-11-23 00:48:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1660 transitions. [2021-11-23 00:48:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:48:47,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:48:47,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 00:49:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 381 states and 1663 transitions. [2021-11-23 00:49:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 1663 transitions. [2021-11-23 00:49:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:49:01,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:01,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:01,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:49:01,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 00:49:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 385 states and 1666 transitions. [2021-11-23 00:49:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1666 transitions. [2021-11-23 00:49:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:49:15,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:15,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:15,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:49:15,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 00:49:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:29,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 389 states and 1669 transitions. [2021-11-23 00:49:29,841 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 1669 transitions. [2021-11-23 00:49:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:49:29,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:29,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:29,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:49:29,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 00:49:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 391 states and 1671 transitions. [2021-11-23 00:49:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1671 transitions. [2021-11-23 00:49:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:49:38,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:49:38,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 00:49:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 393 states and 1673 transitions. [2021-11-23 00:49:47,732 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1673 transitions. [2021-11-23 00:49:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:49:47,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:47,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:47,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:49:47,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.