./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu --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 de6f1b0c31f6078d1329908bc6a1fa31b1de3eefc77e75c566f65f8bba6f4e00 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:52,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:52,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:52,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:52,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:52,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:52,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:52,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:52,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:52,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:52,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:52,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:52,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:52,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:52,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:52,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:52,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:52,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:52,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:52,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:52,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:52,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:52,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:52,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:52,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:52,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:52,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:52,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:52,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:52,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:52,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:52,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:52,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:52,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:52,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:52,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:52,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:52,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:52,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:52,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:52,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:52,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:52,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:52,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:52,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:52,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:52,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:52,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:52,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:52,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:52,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:52,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:52,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:52,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:52,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:52,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:52,816 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:52,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:52,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:52,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:52,817 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:52,817 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:52,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:52,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:52,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:52,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:52,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:52,818 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:52,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:52,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:52,819 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_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6f1b0c31f6078d1329908bc6a1fa31b1de3eefc77e75c566f65f8bba6f4e00 [2021-11-23 15:51:53,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:53,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:53,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:53,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:53,161 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:53,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c [2021-11-23 15:51:53,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/data/61bad62e6/332006116fe8489ea117154368a8200e/FLAG3fe06c56b [2021-11-23 15:51:53,721 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:53,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c [2021-11-23 15:51:53,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/data/61bad62e6/332006116fe8489ea117154368a8200e/FLAG3fe06c56b [2021-11-23 15:51:54,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/data/61bad62e6/332006116fe8489ea117154368a8200e [2021-11-23 15:51:54,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:54,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:54,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:54,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:54,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:54,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54728bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54, skipping insertion in model container [2021-11-23 15:51:54,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:54,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:54,381 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_4bba03b4-7e66-478f-95b9-087bf4e94b0c/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2021-11-23 15:51:54,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:54,396 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:54,419 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_4bba03b4-7e66-478f-95b9-087bf4e94b0c/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2021-11-23 15:51:54,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:54,436 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:54,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54 WrapperNode [2021-11-23 15:51:54,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:54,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:54,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:54,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:54,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,477 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 15:51:54,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:54,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:54,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:54,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:54,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:54,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:54,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:54,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:54,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:54,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:54,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bba03b4-7e66-478f-95b9-087bf4e94b0c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:54,680 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:54,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:54,837 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:54,854 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:51:54,859 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:51:54,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:54 BoogieIcfgContainer [2021-11-23 15:51:54,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:51:54,864 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:51:54,864 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:51:54,876 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:51:54,876 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:51:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-23 15:51:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-23 15:51:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:51:54,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:54,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:55,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 15:51:55,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:51:55,305 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 15:51:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 15:51:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 15:51:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:51:55,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:55,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:55,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 15:51:55,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:51:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 15:51:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 15:51:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:51:56,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:56,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:56,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 15:51:56,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:51:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 15:51:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 15:51:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:51:56,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:56,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:56,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 15:51:56,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:51:56,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:57,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-23 15:51:57,219 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-23 15:51:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:51:57,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:57,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:57,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 15:51:57,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:51:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:57,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:57,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-23 15:51:57,946 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-23 15:51:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:51:57,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:57,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:57,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 15:51:57,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:51:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:59,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2021-11-23 15:51:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2021-11-23 15:51:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:51:59,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:59,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:59,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 15:51:59,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:51:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:00,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2021-11-23 15:52:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2021-11-23 15:52:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:52:00,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:00,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:00,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 15:52:00,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2021-11-23 15:52:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2021-11-23 15:52:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:52:01,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:01,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:01,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 15:52:01,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 15:52:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 15:52:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:52:02,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:02,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:02,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 15:52:02,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2021-11-23 15:52:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2021-11-23 15:52:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:52:03,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:03,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:03,901 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 15:52:03,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:05,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:05,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-11-23 15:52:05,374 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-11-23 15:52:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:52:05,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:05,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:05,426 WARN L261 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 15:52:05,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:06,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-11-23 15:52:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-11-23 15:52:06,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:52:06,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:06,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:06,863 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 15:52:06,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2021-11-23 15:52:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2021-11-23 15:52:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:52:08,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:08,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:08,483 WARN L261 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 15:52:08,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:09,109 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2021-11-23 15:52:10,239 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-23 15:52:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:52:10,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:10,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:10,296 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 15:52:10,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2021-11-23 15:52:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2021-11-23 15:52:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:52:11,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:11,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:11,963 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 15:52:11,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-11-23 15:52:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-11-23 15:52:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:52:13,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:13,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:13,863 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-23 15:52:13,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2021-11-23 15:52:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2021-11-23 15:52:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:52:15,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:15,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:15,881 WARN L261 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 15:52:15,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2021-11-23 15:52:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2021-11-23 15:52:18,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:52:18,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:18,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:18,174 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-23 15:52:18,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2021-11-23 15:52:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-11-23 15:52:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:52:20,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:20,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:20,716 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-23 15:52:20,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 15:52:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 15:52:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:52:23,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:23,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:23,821 WARN L261 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 15:52:23,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2021-11-23 15:52:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2021-11-23 15:52:26,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:52:26,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:26,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:26,878 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 15:52:26,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2021-11-23 15:52:30,100 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2021-11-23 15:52:30,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:52:30,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:30,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:30,165 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 15:52:30,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2021-11-23 15:52:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-23 15:52:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:52:34,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:34,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:34,331 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 15:52:34,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:38,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2021-11-23 15:52:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-23 15:52:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:52:38,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:38,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:38,518 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-23 15:52:38,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2021-11-23 15:52:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2021-11-23 15:52:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:52:42,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:42,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:42,426 WARN L261 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-23 15:52:42,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2021-11-23 15:52:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2021-11-23 15:52:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:52:47,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:47,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:47,104 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-23 15:52:47,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:51,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2021-11-23 15:52:51,645 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2021-11-23 15:52:51,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:52:51,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:51,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:51,712 WARN L261 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 15:52:51,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:52:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:52:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2021-11-23 15:52:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2021-11-23 15:52:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:52:56,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:52:56,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:52:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:52:56,639 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-23 15:52:56,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:52:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 64 states and 121 transitions. [2021-11-23 15:53:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2021-11-23 15:53:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:53:01,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:01,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:01,681 WARN L261 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-23 15:53:01,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2021-11-23 15:53:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2021-11-23 15:53:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:53:07,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:07,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:07,164 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-23 15:53:07,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2021-11-23 15:53:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2021-11-23 15:53:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:53:13,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:13,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:13,477 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-23 15:53:13,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 70 states and 133 transitions. [2021-11-23 15:53:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 133 transitions. [2021-11-23 15:53:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:53:19,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:19,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:19,421 WARN L261 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-23 15:53:19,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:21,331 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 72 states and 137 transitions. [2021-11-23 15:53:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2021-11-23 15:53:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:53:25,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:25,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:25,206 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-23 15:53:25,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 74 states and 141 transitions. [2021-11-23 15:53:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2021-11-23 15:53:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:53:31,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:31,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:31,734 WARN L261 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-23 15:53:31,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-11-23 15:53:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-11-23 15:53:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:53:38,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:38,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:38,683 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 15:53:38,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 78 states and 149 transitions. [2021-11-23 15:53:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 149 transitions. [2021-11-23 15:53:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:53:46,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:46,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:46,573 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-23 15:53:46,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:53:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2021-11-23 15:53:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-11-23 15:53:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:53:54,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:54,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:53:54,537 WARN L261 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-23 15:53:54,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:53:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 157 transitions. [2021-11-23 15:54:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2021-11-23 15:54:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:54:01,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:01,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:02,000 WARN L261 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-23 15:54:02,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:54:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2021-11-23 15:54:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2021-11-23 15:54:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:54:10,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:10,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:10,750 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-23 15:54:10,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:54:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 86 states and 165 transitions. [2021-11-23 15:54:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2021-11-23 15:54:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 15:54:21,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:21,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:21,485 WARN L261 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 15:54:21,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:54:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 88 states and 169 transitions. [2021-11-23 15:54:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-11-23 15:54:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:54:32,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:32,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:32,167 WARN L261 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-23 15:54:32,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:54:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 90 states and 173 transitions. [2021-11-23 15:54:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2021-11-23 15:54:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:54:43,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:43,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:43,547 WARN L261 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-23 15:54:43,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:54:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:54:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:54:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 177 transitions. [2021-11-23 15:54:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2021-11-23 15:54:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 15:54:56,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:54:56,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:54:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:54:56,512 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-23 15:54:56,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:55:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 94 states and 181 transitions. [2021-11-23 15:55:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2021-11-23 15:55:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:55:11,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:11,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:12,008 WARN L261 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-23 15:55:12,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:55:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 96 states and 185 transitions. [2021-11-23 15:55:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-11-23 15:55:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:55:23,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:23,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:24,027 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-23 15:55:24,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:55:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 98 states and 189 transitions. [2021-11-23 15:55:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 189 transitions. [2021-11-23 15:55:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:55:37,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:37,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:37,440 WARN L261 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-23 15:55:37,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:55:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:50,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 100 states and 193 transitions. [2021-11-23 15:55:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2021-11-23 15:55:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 15:55:50,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:50,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:50,573 WARN L261 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-23 15:55:50,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:55:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 102 states and 197 transitions. [2021-11-23 15:56:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 197 transitions. [2021-11-23 15:56:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:56:05,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:05,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:05,283 WARN L261 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-23 15:56:05,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:56:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 104 states and 201 transitions. [2021-11-23 15:56:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2021-11-23 15:56:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:56:20,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:20,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:20,342 WARN L261 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 15:56:20,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:56:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 106 states and 205 transitions. [2021-11-23 15:56:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2021-11-23 15:56:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 15:56:38,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:38,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:38,279 WARN L261 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-23 15:56:38,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:56:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 108 states and 209 transitions. [2021-11-23 15:56:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 209 transitions. [2021-11-23 15:56:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 15:56:56,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:56,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:56,579 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 15:56:56,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:57:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 110 states and 213 transitions. [2021-11-23 15:57:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 213 transitions. [2021-11-23 15:57:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 15:57:21,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:21,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:21,437 WARN L261 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-23 15:57:21,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:57:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 112 states and 217 transitions. [2021-11-23 15:57:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 217 transitions. [2021-11-23 15:57:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 15:57:38,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:38,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:38,791 WARN L261 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-23 15:57:38,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:57:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 114 states and 221 transitions. [2021-11-23 15:57:59,062 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 221 transitions. [2021-11-23 15:57:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 15:57:59,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:59,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:59,204 WARN L261 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-23 15:57:59,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:58:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 116 states and 225 transitions. [2021-11-23 15:58:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2021-11-23 15:58:20,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 15:58:20,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:20,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:20,874 WARN L261 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-23 15:58:20,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:58:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 229 transitions. [2021-11-23 15:58:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2021-11-23 15:58:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 15:58:47,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:47,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:47,746 WARN L261 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-23 15:58:47,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:58:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:59:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 233 transitions. [2021-11-23 15:59:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2021-11-23 15:59:10,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 15:59:10,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:10,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:10,826 WARN L261 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-23 15:59:10,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:59:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:59:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 122 states and 237 transitions. [2021-11-23 15:59:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 237 transitions. [2021-11-23 15:59:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 15:59:36,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:36,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:36,494 WARN L261 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-23 15:59:36,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 15:59:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:00:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 124 states and 241 transitions. [2021-11-23 16:00:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 241 transitions. [2021-11-23 16:00:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 16:00:05,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:05,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:05,381 WARN L261 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-23 16:00:05,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:00:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:00:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 126 states and 245 transitions. [2021-11-23 16:00:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 245 transitions. [2021-11-23 16:00:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 16:00:28,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:29,096 WARN L261 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-23 16:00:29,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:00:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:00:53,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 128 states and 249 transitions. [2021-11-23 16:00:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2021-11-23 16:00:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 16:00:53,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:53,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:54,030 WARN L261 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-23 16:00:54,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:01:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:01:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2021-11-23 16:01:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2021-11-23 16:01:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 16:01:20,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:20,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:20,641 WARN L261 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-23 16:01:20,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:01:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:01:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:01:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 257 transitions. [2021-11-23 16:01:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 257 transitions. [2021-11-23 16:01:45,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 16:01:45,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:01:45,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:01:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:45,615 WARN L261 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-23 16:01:45,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:01:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:02:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:02:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 134 states and 261 transitions. [2021-11-23 16:02:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 261 transitions. [2021-11-23 16:02:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 16:02:10,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:02:10,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:02:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:02:10,294 WARN L261 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-23 16:02:10,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:02:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:02:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:02:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 136 states and 265 transitions. [2021-11-23 16:02:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2021-11-23 16:02:34,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 16:02:34,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:02:34,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:02:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:02:34,597 WARN L261 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-23 16:02:34,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 16:02:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 16:03:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:03:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 138 states and 269 transitions. [2021-11-23 16:03:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2021-11-23 16:03:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 16:03:02,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:03:02,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:03:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:03:02,378 WARN L261 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-23 16:03:02,379 INFO L286 TraceCheckSpWp]: Computing forward predicates...