./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a49aea6b3c1edfc7fe3f8f7bab6422e16330d8432eb730cabe992a1ced0cbc2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:51:07,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:51:07,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:51:07,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:51:07,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:51:07,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:51:07,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:51:07,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:51:07,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:51:07,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:51:07,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:51:07,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:51:07,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:51:07,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:51:07,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:51:07,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:51:07,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:51:07,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:51:07,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:51:07,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:51:07,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:51:07,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:51:07,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:51:07,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:51:07,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:51:07,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:51:07,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:51:07,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:51:07,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:51:07,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:51:07,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:51:07,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:51:07,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:51:07,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:51:07,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:51:07,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:51:07,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:51:07,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:51:07,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:51:07,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:51:07,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:51:07,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:51:07,848 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:51:07,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:51:07,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:51:07,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:51:07,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:51:07,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:51:07,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:51:07,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:51:07,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:51:07,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:51:07,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:51:07,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:51:07,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:51:07,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:51:07,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:51:07,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:51:07,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:51:07,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:51:07,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:51:07,853 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:51:07,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:51:07,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:07,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:51:07,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:51:07,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:51:07,854 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:51:07,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:51:07,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:51:07,855 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_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a49aea6b3c1edfc7fe3f8f7bab6422e16330d8432eb730cabe992a1ced0cbc2 [2021-11-23 00:51:08,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:51:08,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:51:08,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:51:08,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:51:08,166 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:51:08,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem01_label03.c [2021-11-23 00:51:08,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/data/174da7003/d87bd6ce6b7549eb940f7c4a1af2b524/FLAG2cf06739f [2021-11-23 00:51:08,821 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:51:08,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/sv-benchmarks/c/eca-rers2012/Problem01_label03.c [2021-11-23 00:51:08,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/data/174da7003/d87bd6ce6b7549eb940f7c4a1af2b524/FLAG2cf06739f [2021-11-23 00:51:09,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/data/174da7003/d87bd6ce6b7549eb940f7c4a1af2b524 [2021-11-23 00:51:09,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:51:09,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:51:09,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:09,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:51:09,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:51:09,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595a20d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09, skipping insertion in model container [2021-11-23 00:51:09,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:51:09,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:51:09,642 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_90ccceba-aee3-4409-b453-bc30140993bd/sv-benchmarks/c/eca-rers2012/Problem01_label03.c[21586,21599] [2021-11-23 00:51:09,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:09,676 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:51:09,772 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_90ccceba-aee3-4409-b453-bc30140993bd/sv-benchmarks/c/eca-rers2012/Problem01_label03.c[21586,21599] [2021-11-23 00:51:09,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:09,792 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:51:09,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09 WrapperNode [2021-11-23 00:51:09,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:09,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:09,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:51:09,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:51:09,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,891 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 00:51:09,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:09,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:51:09,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:51:09,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:51:09,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:51:09,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:51:09,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:51:09,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:51:09,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:09" (1/1) ... [2021-11-23 00:51:09,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:10,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:51:10,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:51:10,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:51:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:51:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:51:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:51:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:51:10,167 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:51:10,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:51:11,212 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:51:11,410 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:51:11,410 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:51:11,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:11 BoogieIcfgContainer [2021-11-23 00:51:11,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:51:11,415 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:51:11,415 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:51:11,425 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:51:11,425 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:11" (1/1) ... [2021-11-23 00:51:11,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:51:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2021-11-23 00:51:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2021-11-23 00:51:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:51:11,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:11,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2021-11-23 00:51:12,382 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2021-11-23 00:51:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:51:12,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:12,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:51:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2021-11-23 00:51:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2021-11-23 00:51:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:51:12,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:12,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:12,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2021-11-23 00:51:12,822 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2021-11-23 00:51:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:51:12,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:12,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:51:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 151 states and 245 transitions. [2021-11-23 00:51:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2021-11-23 00:51:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:51:12,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:12,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 159 states and 258 transitions. [2021-11-23 00:51:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 258 transitions. [2021-11-23 00:51:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:13,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 160 states and 259 transitions. [2021-11-23 00:51:13,363 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 259 transitions. [2021-11-23 00:51:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:13,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:13,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 168 states and 268 transitions. [2021-11-23 00:51:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 268 transitions. [2021-11-23 00:51:13,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:51:13,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 286 transitions. [2021-11-23 00:51:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2021-11-23 00:51:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:51:13,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 197 states and 306 transitions. [2021-11-23 00:51:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 306 transitions. [2021-11-23 00:51:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:51:14,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:14,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 212 states and 327 transitions. [2021-11-23 00:51:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 327 transitions. [2021-11-23 00:51:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:51:15,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:15,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 216 states and 332 transitions. [2021-11-23 00:51:15,186 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 332 transitions. [2021-11-23 00:51:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:51:15,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:15,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 221 states and 340 transitions. [2021-11-23 00:51:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 340 transitions. [2021-11-23 00:51:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:51:15,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 226 states and 346 transitions. [2021-11-23 00:51:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 346 transitions. [2021-11-23 00:51:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:51:15,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 241 states and 367 transitions. [2021-11-23 00:51:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 367 transitions. [2021-11-23 00:51:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:51:16,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:16,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:51:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 259 states and 387 transitions. [2021-11-23 00:51:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 387 transitions. [2021-11-23 00:51:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:51:16,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:16,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 274 states and 404 transitions. [2021-11-23 00:51:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 404 transitions. [2021-11-23 00:51:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:51:17,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 278 states and 408 transitions. [2021-11-23 00:51:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 408 transitions. [2021-11-23 00:51:17,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:17,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:51:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 279 states and 409 transitions. [2021-11-23 00:51:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 409 transitions. [2021-11-23 00:51:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:17,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:51:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 280 states and 410 transitions. [2021-11-23 00:51:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 410 transitions. [2021-11-23 00:51:17,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:51:17,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:51:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 288 states and 420 transitions. [2021-11-23 00:51:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 420 transitions. [2021-11-23 00:51:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:51:17,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 303 states and 437 transitions. [2021-11-23 00:51:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 437 transitions. [2021-11-23 00:51:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:51:18,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 313 states and 449 transitions. [2021-11-23 00:51:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 449 transitions. [2021-11-23 00:51:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:51:18,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 315 states and 451 transitions. [2021-11-23 00:51:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 451 transitions. [2021-11-23 00:51:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:51:18,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:51:18,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 321 states and 458 transitions. [2021-11-23 00:51:18,801 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 458 transitions. [2021-11-23 00:51:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:51:18,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:51:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 325 states and 461 transitions. [2021-11-23 00:51:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 461 transitions. [2021-11-23 00:51:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:51:18,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 327 states and 464 transitions. [2021-11-23 00:51:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 464 transitions. [2021-11-23 00:51:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 00:51:18,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 341 states and 480 transitions. [2021-11-23 00:51:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 480 transitions. [2021-11-23 00:51:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:51:19,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:51:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 343 states and 483 transitions. [2021-11-23 00:51:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 483 transitions. [2021-11-23 00:51:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:51:19,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:19,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 346 states and 487 transitions. [2021-11-23 00:51:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 487 transitions. [2021-11-23 00:51:19,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:51:19,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:51:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 352 states and 492 transitions. [2021-11-23 00:51:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 492 transitions. [2021-11-23 00:51:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:51:19,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 422 states and 570 transitions. [2021-11-23 00:51:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 570 transitions. [2021-11-23 00:51:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:51:20,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 436 states and 587 transitions. [2021-11-23 00:51:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 587 transitions. [2021-11-23 00:51:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:51:20,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 447 states and 601 transitions. [2021-11-23 00:51:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 601 transitions. [2021-11-23 00:51:20,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:51:20,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:51:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 454 states and 608 transitions. [2021-11-23 00:51:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 608 transitions. [2021-11-23 00:51:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:51:20,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:51:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 456 states and 609 transitions. [2021-11-23 00:51:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 609 transitions. [2021-11-23 00:51:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:51:20,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 479 states and 634 transitions. [2021-11-23 00:51:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 634 transitions. [2021-11-23 00:51:20,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:51:20,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:21,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 493 states and 651 transitions. [2021-11-23 00:51:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 651 transitions. [2021-11-23 00:51:21,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:51:21,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:21,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:51:21,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 502 states and 660 transitions. [2021-11-23 00:51:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 660 transitions. [2021-11-23 00:51:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:51:21,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:21,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 510 states and 669 transitions. [2021-11-23 00:51:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 669 transitions. [2021-11-23 00:51:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:51:21,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:21,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 629 states and 815 transitions. [2021-11-23 00:51:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 815 transitions. [2021-11-23 00:51:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:51:24,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:24,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:24,196 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 675 states and 867 transitions. [2021-11-23 00:51:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 867 transitions. [2021-11-23 00:51:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:51:24,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:24,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:51:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 682 states and 873 transitions. [2021-11-23 00:51:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 873 transitions. [2021-11-23 00:51:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 00:51:24,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:24,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 00:51:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 683 states and 875 transitions. [2021-11-23 00:51:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 875 transitions. [2021-11-23 00:51:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 00:51:25,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:25,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:25,390 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:26,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 753 states and 954 transitions. [2021-11-23 00:51:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 954 transitions. [2021-11-23 00:51:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:51:26,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:26,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:51:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 767 states and 971 transitions. [2021-11-23 00:51:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 971 transitions. [2021-11-23 00:51:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:51:26,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:26,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 784 states and 989 transitions. [2021-11-23 00:51:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 989 transitions. [2021-11-23 00:51:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 00:51:26,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:26,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-23 00:51:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 885 states and 1096 transitions. [2021-11-23 00:51:27,943 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1096 transitions. [2021-11-23 00:51:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 00:51:27,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:27,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 908 states and 1119 transitions. [2021-11-23 00:51:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1119 transitions. [2021-11-23 00:51:28,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 00:51:28,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:28,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 00:51:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 909 states and 1119 transitions. [2021-11-23 00:51:28,292 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1119 transitions. [2021-11-23 00:51:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 00:51:28,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:28,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 929 states and 1140 transitions. [2021-11-23 00:51:28,854 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1140 transitions. [2021-11-23 00:51:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 00:51:28,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:28,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:51:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:29,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 934 states and 1147 transitions. [2021-11-23 00:51:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1147 transitions. [2021-11-23 00:51:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 00:51:29,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:29,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:51:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 945 states and 1159 transitions. [2021-11-23 00:51:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1159 transitions. [2021-11-23 00:51:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 00:51:29,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:29,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:51:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 946 states and 1159 transitions. [2021-11-23 00:51:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1159 transitions. [2021-11-23 00:51:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 00:51:29,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:29,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:51:30,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 949 states and 1161 transitions. [2021-11-23 00:51:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1161 transitions. [2021-11-23 00:51:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:51:30,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:51:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 951 states and 1163 transitions. [2021-11-23 00:51:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1163 transitions. [2021-11-23 00:51:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:51:30,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,329 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:51:30,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 952 states and 1163 transitions. [2021-11-23 00:51:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1163 transitions. [2021-11-23 00:51:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:51:30,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:51:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 956 states and 1168 transitions. [2021-11-23 00:51:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1168 transitions. [2021-11-23 00:51:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:51:30,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1011 states and 1247 transitions. [2021-11-23 00:51:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1247 transitions. [2021-11-23 00:51:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:51:32,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:32,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1027 states and 1268 transitions. [2021-11-23 00:51:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1268 transitions. [2021-11-23 00:51:34,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:51:34,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:34,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1038 states and 1280 transitions. [2021-11-23 00:51:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1280 transitions. [2021-11-23 00:51:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:51:35,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:35,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1039 states and 1280 transitions. [2021-11-23 00:51:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1280 transitions. [2021-11-23 00:51:35,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:51:35,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:35,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1045 states and 1286 transitions. [2021-11-23 00:51:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1286 transitions. [2021-11-23 00:51:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:51:36,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:36,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1050 states and 1291 transitions. [2021-11-23 00:51:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1291 transitions. [2021-11-23 00:51:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:51:36,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:36,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1053 states and 1293 transitions. [2021-11-23 00:51:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1293 transitions. [2021-11-23 00:51:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:51:36,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1062 states and 1302 transitions. [2021-11-23 00:51:37,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1302 transitions. [2021-11-23 00:51:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:51:37,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:37,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:51:37,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1117 states and 1358 transitions. [2021-11-23 00:51:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1358 transitions. [2021-11-23 00:51:37,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 00:51:37,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:37,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 00:51:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1118 states and 1358 transitions. [2021-11-23 00:51:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1358 transitions. [2021-11-23 00:51:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 00:51:38,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-23 00:51:38,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1120 states and 1362 transitions. [2021-11-23 00:51:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1362 transitions. [2021-11-23 00:51:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 00:51:38,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-23 00:51:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1125 states and 1367 transitions. [2021-11-23 00:51:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1367 transitions. [2021-11-23 00:51:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 00:51:38,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 3 proven. 167 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:51:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1195 states and 1440 transitions. [2021-11-23 00:51:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1440 transitions. [2021-11-23 00:51:39,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-23 00:51:39,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:39,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:39,448 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 00:51:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:39,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1123 states and 1359 transitions. [2021-11-23 00:51:39,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1359 transitions. [2021-11-23 00:51:39,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:51:39,500 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 72 iterations. [2021-11-23 00:51:39,510 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:51:45,245 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2021-11-23 00:51:45,254 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2021-11-23 00:51:45,255 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:51:45,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:51:45 ImpRootNode [2021-11-23 00:51:45,256 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:51:45,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:51:45,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:51:45,257 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:51:45,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:11" (3/4) ... [2021-11-23 00:51:45,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:51:45,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2021-11-23 00:51:45,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 00:51:45,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:51:45,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:51:45,481 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:51:45,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:51:45,482 INFO L158 Benchmark]: Toolchain (without parser) took 36361.98ms. Allocated memory was 102.8MB in the beginning and 469.8MB in the end (delta: 367.0MB). Free memory was 69.3MB in the beginning and 246.3MB in the end (delta: -177.0MB). Peak memory consumption was 188.6MB. Max. memory is 16.1GB. [2021-11-23 00:51:45,483 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:51:45,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.03ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 69.0MB in the beginning and 93.8MB in the end (delta: -24.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:51:45,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.49ms. Allocated memory is still 136.3MB. Free memory was 93.8MB in the beginning and 88.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:51:45,484 INFO L158 Benchmark]: Boogie Preprocessor took 74.88ms. Allocated memory is still 136.3MB. Free memory was 88.3MB in the beginning and 84.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:51:45,485 INFO L158 Benchmark]: RCFGBuilder took 1445.52ms. Allocated memory is still 136.3MB. Free memory was 84.1MB in the beginning and 61.2MB in the end (delta: 22.9MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-11-23 00:51:45,485 INFO L158 Benchmark]: CodeCheck took 33841.37ms. Allocated memory was 136.3MB in the beginning and 469.8MB in the end (delta: 333.4MB). Free memory was 61.2MB in the beginning and 261.0MB in the end (delta: -199.7MB). Peak memory consumption was 245.9MB. Max. memory is 16.1GB. [2021-11-23 00:51:45,486 INFO L158 Benchmark]: Witness Printer took 224.81ms. Allocated memory is still 469.8MB. Free memory was 261.0MB in the beginning and 246.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:51:45,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.0s, OverallIterations: 72, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79500 SdHoareTripleChecker+Valid, 202.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77257 mSDsluCounter, 14720 SdHoareTripleChecker+Invalid, 168.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12387 mSDsCounter, 36065 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186871 IncrementalHoareTripleChecker+Invalid, 222936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36065 mSolverCounterUnsat, 2333 mSDtfsCounter, 186871 mSolverCounterSat, 1.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64663 GetRequests, 62398 SyntacticMatches, 1885 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87259 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 9014 NumberOfCodeBlocks, 9014 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 8943 ConstructedInterpolants, 0 QuantifiedInterpolants, 36508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 71 InterpolantComputations, 56 PerfectInterpolantSequences, 4525/5079 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 573]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((a12 == 8 && 5 == a16) && a21 == 1) && a20 == a7) && a17 == a7) || a16 == 6) || a17 == 1) || !(a8 == 13)) || a16 == 4 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((a12 == 8 && 5 == a16) && a21 == 1) && a20 == a7) && a17 == a7) || a16 == 6) || a17 == 1) || !(a8 == 13)) || a16 == 4 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.03ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 69.0MB in the beginning and 93.8MB in the end (delta: -24.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.49ms. Allocated memory is still 136.3MB. Free memory was 93.8MB in the beginning and 88.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.88ms. Allocated memory is still 136.3MB. Free memory was 88.3MB in the beginning and 84.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1445.52ms. Allocated memory is still 136.3MB. Free memory was 84.1MB in the beginning and 61.2MB in the end (delta: 22.9MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * CodeCheck took 33841.37ms. Allocated memory was 136.3MB in the beginning and 469.8MB in the end (delta: 333.4MB). Free memory was 61.2MB in the beginning and 261.0MB in the end (delta: -199.7MB). Peak memory consumption was 245.9MB. Max. memory is 16.1GB. * Witness Printer took 224.81ms. Allocated memory is still 469.8MB. Free memory was 261.0MB in the beginning and 246.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:51:45,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ccceba-aee3-4409-b453-bc30140993bd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE