./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_const1.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_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/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_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_const1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/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_64e6b6b8-354e-4919-b967-3639c56bc5b4/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 be1a0182ecf6c8aa754e6086345670fff3439e7c706169309311fcaa402caa1e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:52,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:52,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:52,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:52,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:52,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:52,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:52,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:52,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:52,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:52,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:52,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:52,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:52,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:52,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:52,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:52,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:52,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:52,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:52,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:52,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:52,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:52,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:52,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:52,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:52,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:52,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:52,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:52,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:52,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:52,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:52,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:52,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:52,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:52,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:52,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:52,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:52,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:52,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:52,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:52,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:52,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:28:52,540 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:52,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:52,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:52,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:52,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:52,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:52,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:52,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:52,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:52,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:52,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:52,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:52,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:52,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:52,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:52,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:52,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:52,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:52,548 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:52,548 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:52,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:52,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:52,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:52,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:52,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:52,550 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:52,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:52,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:52,551 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_64e6b6b8-354e-4919-b967-3639c56bc5b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1a0182ecf6c8aa754e6086345670fff3439e7c706169309311fcaa402caa1e [2021-11-23 00:28:52,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:52,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:52,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:52,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:52,868 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:52,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-crafted/zero_sum_const1.c [2021-11-23 00:28:52,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/data/53385a373/3093415b065842b8982e883423213ed2/FLAGcd7d7c13a [2021-11-23 00:28:53,395 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:53,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/sv-benchmarks/c/array-crafted/zero_sum_const1.c [2021-11-23 00:28:53,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/data/53385a373/3093415b065842b8982e883423213ed2/FLAGcd7d7c13a [2021-11-23 00:28:53,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/data/53385a373/3093415b065842b8982e883423213ed2 [2021-11-23 00:28:53,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:53,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:53,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:53,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:53,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:53,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a2ca97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53, skipping insertion in model container [2021-11-23 00:28:53,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:53,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:54,002 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_64e6b6b8-354e-4919-b967-3639c56bc5b4/sv-benchmarks/c/array-crafted/zero_sum_const1.c[406,419] [2021-11-23 00:28:54,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:54,025 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:54,038 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_64e6b6b8-354e-4919-b967-3639c56bc5b4/sv-benchmarks/c/array-crafted/zero_sum_const1.c[406,419] [2021-11-23 00:28:54,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:54,058 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:54,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54 WrapperNode [2021-11-23 00:28:54,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:54,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:54,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:54,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:54,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,099 INFO L137 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2021-11-23 00:28:54,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:54,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:54,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:54,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:54,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:54,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:54,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:54,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:54,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:54,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:54,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:54,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e6b6b8-354e-4919-b967-3639c56bc5b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:28:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:28:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:28:54,320 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:54,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:54,472 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:54,498 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:54,498 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:28:54,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:54 BoogieIcfgContainer [2021-11-23 00:28:54,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:28:54,502 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:28:54,502 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:28:54,512 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:28:54,512 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:28:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:28:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:28:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:54,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:54,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,719 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 00:28:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:28:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:28:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:54,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:54,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:28:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:28:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:55,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 00:28:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 00:28:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:28:55,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2021-11-23 00:28:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-11-23 00:28:55,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:28:55,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2021-11-23 00:28:55,492 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2021-11-23 00:28:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:55,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:28:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-23 00:28:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-23 00:28:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:28:55,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2021-11-23 00:28:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2021-11-23 00:28:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:57,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:57,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:28:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-11-23 00:28:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-11-23 00:28:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:59,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:29:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2021-11-23 00:29:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2021-11-23 00:29:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:00,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2021-11-23 00:29:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2021-11-23 00:29:02,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:02,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:29:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2021-11-23 00:29:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2021-11-23 00:29:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:02,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2021-11-23 00:29:03,182 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-11-23 00:29:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:29:03,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2021-11-23 00:29:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2021-11-23 00:29:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:29:07,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:07,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 47 states and 98 transitions. [2021-11-23 00:29:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 98 transitions. [2021-11-23 00:29:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:29:08,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:08,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 49 states and 102 transitions. [2021-11-23 00:29:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 102 transitions. [2021-11-23 00:29:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:29:10,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:10,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 52 states and 107 transitions. [2021-11-23 00:29:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2021-11-23 00:29:12,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:29:12,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:12,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 55 states and 113 transitions. [2021-11-23 00:29:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 113 transitions. [2021-11-23 00:29:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:29:13,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:13,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 57 states and 122 transitions. [2021-11-23 00:29:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 122 transitions. [2021-11-23 00:29:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:29:14,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:14,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 130 transitions. [2021-11-23 00:29:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 130 transitions. [2021-11-23 00:29:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:29:16,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:16,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:29:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 141 transitions. [2021-11-23 00:29:19,390 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 141 transitions. [2021-11-23 00:29:19,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:29:19,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:19,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:29:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 71 states and 150 transitions. [2021-11-23 00:29:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 150 transitions. [2021-11-23 00:29:21,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:29:21,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:21,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:29:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 73 states and 155 transitions. [2021-11-23 00:29:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 155 transitions. [2021-11-23 00:29:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:23,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:23,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:33,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 81 states and 181 transitions. [2021-11-23 00:29:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 181 transitions. [2021-11-23 00:29:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:33,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:33,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:29:34,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 82 states and 181 transitions. [2021-11-23 00:29:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 181 transitions. [2021-11-23 00:29:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:34,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:34,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 87 states and 194 transitions. [2021-11-23 00:29:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 194 transitions. [2021-11-23 00:29:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:37,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:37,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 90 states and 204 transitions. [2021-11-23 00:29:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 204 transitions. [2021-11-23 00:29:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:40,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:40,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 91 states and 205 transitions. [2021-11-23 00:29:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 205 transitions. [2021-11-23 00:29:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:41,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:41,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:42,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:42,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 92 states and 206 transitions. [2021-11-23 00:29:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 206 transitions. [2021-11-23 00:29:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:43,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:43,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:29:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 81 states and 177 transitions. [2021-11-23 00:29:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 177 transitions. [2021-11-23 00:29:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:43,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:43,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 83 states and 181 transitions. [2021-11-23 00:29:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 181 transitions. [2021-11-23 00:29:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:29:45,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:45,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:29:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 84 states and 184 transitions. [2021-11-23 00:29:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 184 transitions. [2021-11-23 00:29:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:29:47,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:47,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:29:52,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:52,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 90 states and 198 transitions. [2021-11-23 00:29:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 198 transitions. [2021-11-23 00:29:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:29:52,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:52,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:29:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 93 states and 203 transitions. [2021-11-23 00:29:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 203 transitions. [2021-11-23 00:29:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:29:54,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:54,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:29:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 96 states and 208 transitions. [2021-11-23 00:29:56,673 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 208 transitions. [2021-11-23 00:29:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:29:56,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:56,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:29:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 99 states and 212 transitions. [2021-11-23 00:29:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 212 transitions. [2021-11-23 00:29:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:29:58,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:58,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:30:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 106 states and 231 transitions. [2021-11-23 00:30:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 231 transitions. [2021-11-23 00:30:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:30:05,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:05,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:30:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 107 states and 231 transitions. [2021-11-23 00:30:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 231 transitions. [2021-11-23 00:30:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:30:06,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:06,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:30:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 109 states and 234 transitions. [2021-11-23 00:30:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 234 transitions. [2021-11-23 00:30:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:30:08,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:08,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:30:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:10,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 110 states and 236 transitions. [2021-11-23 00:30:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 236 transitions. [2021-11-23 00:30:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:30:10,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:10,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:30:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 113 states and 245 transitions. [2021-11-23 00:30:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 245 transitions. [2021-11-23 00:30:13,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:30:13,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:13,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:30:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 117 states and 252 transitions. [2021-11-23 00:30:17,691 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 252 transitions. [2021-11-23 00:30:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:30:17,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:17,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:30:19,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:19,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 215 transitions. [2021-11-23 00:30:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 215 transitions. [2021-11-23 00:30:19,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:30:19,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:19,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 108 states and 228 transitions. [2021-11-23 00:30:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 228 transitions. [2021-11-23 00:30:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:30:35,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:35,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 114 states and 245 transitions. [2021-11-23 00:30:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 245 transitions. [2021-11-23 00:30:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:30:43,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:43,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 116 states and 247 transitions. [2021-11-23 00:30:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 247 transitions. [2021-11-23 00:30:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:30:45,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:45,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 120 states and 256 transitions. [2021-11-23 00:30:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 256 transitions. [2021-11-23 00:30:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:30:50,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:50,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 123 states and 263 transitions. [2021-11-23 00:30:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 263 transitions. [2021-11-23 00:30:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:30:54,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:54,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:58,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 126 states and 269 transitions. [2021-11-23 00:30:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 269 transitions. [2021-11-23 00:30:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:30:58,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:58,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 128 states and 278 transitions. [2021-11-23 00:31:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 278 transitions. [2021-11-23 00:31:02,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:02,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:02,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:31:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 129 states and 281 transitions. [2021-11-23 00:31:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 281 transitions. [2021-11-23 00:31:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:05,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:05,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:31:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:08,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 132 states and 287 transitions. [2021-11-23 00:31:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 287 transitions. [2021-11-23 00:31:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:08,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:08,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:31:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 135 states and 292 transitions. [2021-11-23 00:31:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 292 transitions. [2021-11-23 00:31:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:11,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:11,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:31:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:16,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 139 states and 298 transitions. [2021-11-23 00:31:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 298 transitions. [2021-11-23 00:31:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:16,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:16,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:31:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:21,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 143 states and 304 transitions. [2021-11-23 00:31:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 304 transitions. [2021-11-23 00:31:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:21,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:21,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:22,179 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:31:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 147 states and 309 transitions. [2021-11-23 00:31:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 309 transitions. [2021-11-23 00:31:26,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:26,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:26,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:31:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 155 states and 334 transitions. [2021-11-23 00:31:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 334 transitions. [2021-11-23 00:31:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:37,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:37,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:31:48,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 162 states and 351 transitions. [2021-11-23 00:31:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 351 transitions. [2021-11-23 00:31:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:48,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:48,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:31:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 165 states and 360 transitions. [2021-11-23 00:31:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 360 transitions. [2021-11-23 00:31:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:54,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:54,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:32:00,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:00,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 169 states and 367 transitions. [2021-11-23 00:32:00,827 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 367 transitions. [2021-11-23 00:32:00,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:32:00,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:00,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:32:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 172 states and 378 transitions. [2021-11-23 00:32:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 378 transitions. [2021-11-23 00:32:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:32:07,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:07,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:32:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 175 states and 383 transitions. [2021-11-23 00:32:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 383 transitions. [2021-11-23 00:32:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:32:12,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:12,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:32:14,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 176 states and 384 transitions. [2021-11-23 00:32:14,952 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 384 transitions. [2021-11-23 00:32:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:32:14,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:14,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:16,402 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:32:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 178 states and 387 transitions. [2021-11-23 00:32:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 387 transitions. [2021-11-23 00:32:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:32:20,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:20,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:32:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 179 states and 387 transitions. [2021-11-23 00:32:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 387 transitions. [2021-11-23 00:32:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:32:22,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:22,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:32:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 171 states and 357 transitions. [2021-11-23 00:32:26,609 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 357 transitions. [2021-11-23 00:32:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:32:26,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:26,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:32:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 156 states and 326 transitions. [2021-11-23 00:32:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 326 transitions. [2021-11-23 00:32:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:32:29,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:29,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 162 states and 342 transitions. [2021-11-23 00:33:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 342 transitions. [2021-11-23 00:33:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:33:00,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:00,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:07,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 166 states and 353 transitions. [2021-11-23 00:33:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 353 transitions. [2021-11-23 00:33:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:33:07,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:07,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 174 states and 372 transitions. [2021-11-23 00:33:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 372 transitions. [2021-11-23 00:33:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:33:22,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:22,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 175 states and 375 transitions. [2021-11-23 00:33:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 375 transitions. [2021-11-23 00:33:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:33:25,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:25,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 178 states and 382 transitions. [2021-11-23 00:33:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 382 transitions. [2021-11-23 00:33:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:33:31,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:31,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 182 states and 391 transitions. [2021-11-23 00:33:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 391 transitions. [2021-11-23 00:33:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:33:39,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:39,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 184 states and 397 transitions. [2021-11-23 00:33:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 397 transitions. [2021-11-23 00:33:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:33:44,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:44,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 185 states and 397 transitions. [2021-11-23 00:33:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 397 transitions. [2021-11-23 00:33:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:33:47,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:47,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:33:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 189 states and 406 transitions. [2021-11-23 00:33:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 406 transitions. [2021-11-23 00:33:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:33:56,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:56,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:34:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 192 states and 411 transitions. [2021-11-23 00:34:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 411 transitions. [2021-11-23 00:34:00,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:34:00,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:34:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 196 states and 417 transitions. [2021-11-23 00:34:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 417 transitions. [2021-11-23 00:34:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:34:09,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:09,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:34:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 200 states and 422 transitions. [2021-11-23 00:34:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 422 transitions. [2021-11-23 00:34:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:34:16,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:16,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:34:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 204 states and 428 transitions. [2021-11-23 00:34:23,668 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 428 transitions. [2021-11-23 00:34:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:34:23,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:23,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:34:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 213 states and 470 transitions. [2021-11-23 00:34:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 470 transitions. [2021-11-23 00:34:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:34:42,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:42,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:34:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 216 states and 480 transitions. [2021-11-23 00:34:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 480 transitions. [2021-11-23 00:34:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:34:49,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:49,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:52,712 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:34:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 219 states and 486 transitions. [2021-11-23 00:34:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 486 transitions. [2021-11-23 00:34:58,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:34:58,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:58,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:35:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 224 states and 496 transitions. [2021-11-23 00:35:11,248 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 496 transitions. [2021-11-23 00:35:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:35:11,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:11,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:35:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 230 states and 505 transitions. [2021-11-23 00:35:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 505 transitions. [2021-11-23 00:35:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:35:27,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:27,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:35:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 234 states and 511 transitions. [2021-11-23 00:35:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 511 transitions. [2021-11-23 00:35:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:35:38,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:38,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:35:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 230 states and 483 transitions. [2021-11-23 00:35:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 483 transitions. [2021-11-23 00:35:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:35:53,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:53,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 234 states and 489 transitions. [2021-11-23 00:36:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 489 transitions. [2021-11-23 00:36:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:03,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:03,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:07,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 235 states and 489 transitions. [2021-11-23 00:36:07,973 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 489 transitions. [2021-11-23 00:36:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:07,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:07,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 237 states and 489 transitions. [2021-11-23 00:36:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 489 transitions. [2021-11-23 00:36:14,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:14,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:19,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 228 states and 467 transitions. [2021-11-23 00:36:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 467 transitions. [2021-11-23 00:36:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:19,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 231 states and 480 transitions. [2021-11-23 00:36:30,403 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 480 transitions. [2021-11-23 00:36:30,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:30,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:30,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 234 states and 488 transitions. [2021-11-23 00:36:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 488 transitions. [2021-11-23 00:36:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:40,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:40,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 218 states and 456 transitions. [2021-11-23 00:36:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 456 transitions. [2021-11-23 00:36:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:36:45,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:45,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 223 states and 476 transitions. [2021-11-23 00:37:39,431 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 476 transitions. [2021-11-23 00:37:39,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:37:39,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 226 states and 479 transitions. [2021-11-23 00:37:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 479 transitions. [2021-11-23 00:37:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:37:47,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:47,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:10,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:10,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 233 states and 498 transitions. [2021-11-23 00:38:10,215 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 498 transitions. [2021-11-23 00:38:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:10,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:10,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 236 states and 501 transitions. [2021-11-23 00:38:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 501 transitions. [2021-11-23 00:38:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:20,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:20,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 240 states and 507 transitions. [2021-11-23 00:38:33,993 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 507 transitions. [2021-11-23 00:38:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:33,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:33,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 241 states and 509 transitions. [2021-11-23 00:38:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 509 transitions. [2021-11-23 00:38:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:39,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:39,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 244 states and 516 transitions. [2021-11-23 00:38:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 516 transitions. [2021-11-23 00:38:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:38:50,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:50,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 247 states and 523 transitions. [2021-11-23 00:39:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 523 transitions. [2021-11-23 00:39:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:39:02,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:02,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 249 states and 529 transitions. [2021-11-23 00:39:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 529 transitions. [2021-11-23 00:39:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:39:13,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:13,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 251 states and 533 transitions. [2021-11-23 00:39:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 533 transitions. [2021-11-23 00:39:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:39:21,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:21,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:39:53,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 259 states and 551 transitions. [2021-11-23 00:39:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 551 transitions. [2021-11-23 00:39:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:39:53,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:53,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:40:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 262 states and 556 transitions. [2021-11-23 00:40:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 556 transitions. [2021-11-23 00:40:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:01,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:01,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:40:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 266 states and 562 transitions. [2021-11-23 00:40:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 562 transitions. [2021-11-23 00:40:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:40:14,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:14,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:40:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 270 states and 568 transitions. [2021-11-23 00:40:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 568 transitions. [2021-11-23 00:40:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:40:27,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:27,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.