./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/genady.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/genady.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 287610e8766968d20807fa7cedb2876e161017ade0a329100f16c8240065cc6a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:50:32,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:50:32,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:50:32,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:50:32,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:50:32,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:50:32,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:50:32,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:50:32,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:50:32,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:50:32,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:50:32,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:50:32,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:50:32,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:50:32,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:50:32,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:50:32,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:50:32,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:50:32,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:50:33,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:50:33,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:50:33,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:50:33,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:50:33,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:50:33,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:50:33,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:50:33,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:50:33,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:50:33,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:50:33,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:50:33,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:50:33,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:50:33,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:50:33,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:50:33,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:50:33,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:50:33,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:50:33,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:50:33,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:50:33,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:50:33,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:50:33,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 06:50:33,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:50:33,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:50:33,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:50:33,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:50:33,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:50:33,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:50:33,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:50:33,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:50:33,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:50:33,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:50:33,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:50:33,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:50:33,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:50:33,079 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:50:33,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:50:33,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:50:33,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:50:33,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:50:33,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:50:33,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:50:33,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:50:33,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:50:33,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:50:33,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:50:33,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:50:33,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:50:33,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:50:33,084 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_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 287610e8766968d20807fa7cedb2876e161017ade0a329100f16c8240065cc6a [2021-11-25 06:50:33,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:50:33,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:50:33,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:50:33,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:50:33,427 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:50:33,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted-lit/genady.c [2021-11-25 06:50:33,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/data/f1adf77dd/7a7a044d35bb4a70800e95969afccbd1/FLAGf3bf1ff17 [2021-11-25 06:50:34,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:50:34,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/sv-benchmarks/c/termination-crafted-lit/genady.c [2021-11-25 06:50:34,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/data/f1adf77dd/7a7a044d35bb4a70800e95969afccbd1/FLAGf3bf1ff17 [2021-11-25 06:50:34,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/data/f1adf77dd/7a7a044d35bb4a70800e95969afccbd1 [2021-11-25 06:50:34,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:50:34,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:50:34,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:50:34,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:50:34,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:50:34,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ba630b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34, skipping insertion in model container [2021-11-25 06:50:34,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:50:34,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:50:34,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:50:34,666 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:50:34,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:50:34,707 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:50:34,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34 WrapperNode [2021-11-25 06:50:34,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:50:34,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:50:34,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:50:34,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:50:34,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,746 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-25 06:50:34,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:50:34,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:50:34,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:50:34,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:50:34,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:50:34,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:50:34,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:50:34,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:50:34,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:34" (1/1) ... [2021-11-25 06:50:34,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:50:34,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:50:34,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:50:34,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:50:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:50:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:50:34,911 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:50:34,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:50:35,026 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:50:35,040 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:50:35,040 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 06:50:35,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:50:35 BoogieIcfgContainer [2021-11-25 06:50:35,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:50:35,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:50:35,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:50:35,057 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:50:35,058 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:50:35" (1/1) ... [2021-11-25 06:50:35,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:50:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-25 06:50:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-25 06:50:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-25 06:50:35,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:35,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2021-11-25 06:50:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-11-25 06:50:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:50:35,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:35,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:35,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-11-25 06:50:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-25 06:50:35,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:50:35,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:35,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-25 06:50:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-25 06:50:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:50:35,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:35,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:35,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-25 06:50:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-25 06:50:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:50:36,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:36,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:36,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2021-11-25 06:50:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-25 06:50:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:50:36,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:36,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2021-11-25 06:50:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2021-11-25 06:50:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:50:37,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:37,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2021-11-25 06:50:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2021-11-25 06:50:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:50:37,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:37,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2021-11-25 06:50:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-25 06:50:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:50:38,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:38,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:38,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2021-11-25 06:50:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2021-11-25 06:50:38,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:50:38,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:38,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2021-11-25 06:50:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2021-11-25 06:50:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:50:38,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:38,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:39,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2021-11-25 06:50:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-11-25 06:50:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:50:39,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:39,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2021-11-25 06:50:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2021-11-25 06:50:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:50:39,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:39,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2021-11-25 06:50:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2021-11-25 06:50:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:50:39,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:39,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:50:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2021-11-25 06:50:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2021-11-25 06:50:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:50:40,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:40,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:40,718 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 123 transitions. [2021-11-25 06:50:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2021-11-25 06:50:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:50:41,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:41,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:50:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:41,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2021-11-25 06:50:41,858 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2021-11-25 06:50:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:50:41,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:41,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:50:42,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 85 states and 148 transitions. [2021-11-25 06:50:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 148 transitions. [2021-11-25 06:50:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:50:42,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:42,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:50:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:42,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2021-11-25 06:50:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2021-11-25 06:50:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:50:42,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:42,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-25 06:50:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:43,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 94 states and 168 transitions. [2021-11-25 06:50:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 168 transitions. [2021-11-25 06:50:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:50:43,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:43,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-25 06:50:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 96 states and 170 transitions. [2021-11-25 06:50:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2021-11-25 06:50:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:50:44,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:44,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 179 transitions. [2021-11-25 06:50:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 179 transitions. [2021-11-25 06:50:45,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:50:45,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:45,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:50:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 108 states and 193 transitions. [2021-11-25 06:50:46,914 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 193 transitions. [2021-11-25 06:50:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:50:46,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:46,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 115 states and 213 transitions. [2021-11-25 06:50:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 213 transitions. [2021-11-25 06:50:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:50:48,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:48,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-25 06:50:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 117 states and 215 transitions. [2021-11-25 06:50:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 215 transitions. [2021-11-25 06:50:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:50:48,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:48,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 06:50:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 121 states and 219 transitions. [2021-11-25 06:50:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 219 transitions. [2021-11-25 06:50:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:50:48,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:48,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 06:50:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 125 states and 223 transitions. [2021-11-25 06:50:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 223 transitions. [2021-11-25 06:50:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:50:49,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:49,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 131 states and 230 transitions. [2021-11-25 06:50:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 230 transitions. [2021-11-25 06:50:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 06:50:51,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:51,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 138 states and 248 transitions. [2021-11-25 06:50:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2021-11-25 06:50:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 06:50:52,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:52,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 252 transitions. [2021-11-25 06:50:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 252 transitions. [2021-11-25 06:50:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:50:52,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:52,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-25 06:50:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 142 states and 254 transitions. [2021-11-25 06:50:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2021-11-25 06:50:53,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 06:50:53,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:53,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-25 06:50:54,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:54,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 150 states and 262 transitions. [2021-11-25 06:50:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 262 transitions. [2021-11-25 06:50:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:50:54,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:54,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:55,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 157 states and 269 transitions. [2021-11-25 06:50:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 269 transitions. [2021-11-25 06:50:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:50:55,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:55,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 164 states and 290 transitions. [2021-11-25 06:50:57,622 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 290 transitions. [2021-11-25 06:50:57,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:50:57,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:57,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:58,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 166 states and 293 transitions. [2021-11-25 06:50:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 293 transitions. [2021-11-25 06:50:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 06:50:58,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:58,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-25 06:50:58,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:58,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 168 states and 295 transitions. [2021-11-25 06:50:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 295 transitions. [2021-11-25 06:50:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:50:58,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:58,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-25 06:51:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 176 states and 307 transitions. [2021-11-25 06:51:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 307 transitions. [2021-11-25 06:51:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:51:00,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:00,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-25 06:51:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 178 states and 309 transitions. [2021-11-25 06:51:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 309 transitions. [2021-11-25 06:51:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 06:51:01,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:01,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:51:03,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:03,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 185 states and 322 transitions. [2021-11-25 06:51:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 322 transitions. [2021-11-25 06:51:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:51:03,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:03,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-25 06:51:05,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 192 states and 330 transitions. [2021-11-25 06:51:05,949 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 330 transitions. [2021-11-25 06:51:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:51:05,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:05,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-25 06:51:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 194 states and 332 transitions. [2021-11-25 06:51:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 332 transitions. [2021-11-25 06:51:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:51:06,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:06,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:51:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 204 states and 354 transitions. [2021-11-25 06:51:09,741 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 354 transitions. [2021-11-25 06:51:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:51:09,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:09,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:51:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 206 states and 356 transitions. [2021-11-25 06:51:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 356 transitions. [2021-11-25 06:51:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:51:10,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:10,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:51:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 209 states and 359 transitions. [2021-11-25 06:51:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 359 transitions. [2021-11-25 06:51:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:51:11,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:11,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-25 06:51:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 210 states and 359 transitions. [2021-11-25 06:51:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 359 transitions. [2021-11-25 06:51:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:51:12,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:12,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:51:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 213 states and 362 transitions. [2021-11-25 06:51:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 362 transitions. [2021-11-25 06:51:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:51:13,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:13,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:51:14,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 216 states and 366 transitions. [2021-11-25 06:51:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 366 transitions. [2021-11-25 06:51:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:51:14,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:14,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:51:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 218 states and 367 transitions. [2021-11-25 06:51:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 367 transitions. [2021-11-25 06:51:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 06:51:15,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:15,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 123 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:51:17,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2021-11-25 06:51:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2021-11-25 06:51:17,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 06:51:17,097 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2021-11-25 06:51:17,107 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2021-11-25 06:51:17,442 INFO L560 CodeCheckObserver]: Invariant with dag size 49 [2021-11-25 06:51:17,468 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 06:51:17,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:51:17 ImpRootNode [2021-11-25 06:51:17,469 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:51:17,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:51:17,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:51:17,470 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:51:17,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:50:35" (3/4) ... [2021-11-25 06:51:17,474 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 06:51:17,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 06:51:17,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 06:51:17,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 06:51:17,546 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 06:51:17,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:51:17,553 INFO L158 Benchmark]: Toolchain (without parser) took 43095.23ms. Allocated memory was 111.1MB in the beginning and 325.1MB in the end (delta: 213.9MB). Free memory was 79.3MB in the beginning and 163.9MB in the end (delta: -84.6MB). Peak memory consumption was 130.2MB. Max. memory is 16.1GB. [2021-11-25 06:51:17,554 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 111.1MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:51:17,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.40ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 87.6MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:51:17,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.70ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 86.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:51:17,559 INFO L158 Benchmark]: Boogie Preprocessor took 19.53ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 85.4MB in the end (delta: 976.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:51:17,560 INFO L158 Benchmark]: RCFGBuilder took 275.75ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 77.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:51:17,560 INFO L158 Benchmark]: CodeCheck took 42424.28ms. Allocated memory was 111.1MB in the beginning and 325.1MB in the end (delta: 213.9MB). Free memory was 77.0MB in the beginning and 166.0MB in the end (delta: -89.0MB). Peak memory consumption was 127.0MB. Max. memory is 16.1GB. [2021-11-25 06:51:17,561 INFO L158 Benchmark]: Witness Printer took 82.31ms. Allocated memory is still 325.1MB. Free memory was 166.0MB in the beginning and 163.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:51:17,565 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 42.0s, OverallIterations: 49, 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, 11006 SdHoareTripleChecker+Valid, 49.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10866 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 40.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5472 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34590 IncrementalHoareTripleChecker+Invalid, 40062 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5472 mSolverCounterUnsat, 0 mSDtfsCounter, 34590 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10870 GetRequests, 9350 SyntacticMatches, 972 SemanticMatches, 548 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179590 ImplicationChecksByTransitivity, 36.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1365 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1317 ConstructedInterpolants, 0 QuantifiedInterpolants, 4735 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 24 PerfectInterpolantSequences, 2172/2743 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: (((((((10001 <= i + j && j <= 4) && i <= 9993 + j) || ((10001 <= i + j && j <= 3) && i <= 9995 + j)) || (((10001 <= i + j && j <= 3 + i) && j <= 9996) && i + 1 < j)) || ((10001 <= i + j && i <= 9995) && j <= i + 1)) || ((10001 <= i + j && i <= j + 9991) && j <= 5)) || ((9997 + j <= i && i < 10000) && 1 < j)) || (((j <= 1 && i <= 9999 + j) && 1 <= j) && 9999 + j <= i) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87ms. Allocated memory is still 111.1MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.40ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 87.6MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.70ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 86.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.53ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 85.4MB in the end (delta: 976.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.75ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 77.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 42424.28ms. Allocated memory was 111.1MB in the beginning and 325.1MB in the end (delta: 213.9MB). Free memory was 77.0MB in the beginning and 166.0MB in the end (delta: -89.0MB). Peak memory consumption was 127.0MB. Max. memory is 16.1GB. * Witness Printer took 82.31ms. Allocated memory is still 325.1MB. Free memory was 166.0MB in the beginning and 163.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 06:51:17,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76bcb05-55a7-4591-b307-ad18fa97ff5f/bin/ukojak-d1pc8ZmBRL/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