./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_12.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak --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 fbb7e06bf350f46f725ea0ddc5d1215829061b3a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:35:13,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:35:13,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:35:13,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:35:13,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:35:13,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:35:13,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:35:13,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:35:13,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:35:13,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:35:13,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:35:13,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:35:13,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:35:14,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:35:14,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:35:14,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:35:14,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:35:14,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:35:14,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:35:14,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:35:14,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:35:14,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:35:14,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:35:14,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:35:14,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:35:14,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:35:14,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:35:14,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:35:14,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:35:14,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:35:14,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:35:14,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:35:14,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:35:14,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:35:14,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:35:14,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:35:14,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:35:14,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:35:14,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:35:14,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:35:14,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:35:14,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:35:14,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:35:14,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:35:14,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:35:14,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:35:14,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:35:14,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:35:14,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:35:14,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:35:14,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:35:14,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:35:14,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:35:14,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:35:14,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:35:14,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:35:14,087 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:35:14,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:35:14,087 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:35:14,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:35:14,088 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:35:14,088 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:35:14,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:35:14,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:35:14,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:35:14,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:35:14,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:35:14,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:35:14,091 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:35:14,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:35:14,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:35:14,092 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-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb7e06bf350f46f725ea0ddc5d1215829061b3a [2020-12-01 17:35:14,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:35:14,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:35:14,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:35:14,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:35:14,506 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:35:14,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_12.c [2020-12-01 17:35:14,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/data/2804dd5d4/502efb35662447dc991da72c6403593c/FLAG0fa88db41 [2020-12-01 17:35:15,251 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:35:15,251 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/sv-benchmarks/c/locks/test_locks_12.c [2020-12-01 17:35:15,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/data/2804dd5d4/502efb35662447dc991da72c6403593c/FLAG0fa88db41 [2020-12-01 17:35:15,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/data/2804dd5d4/502efb35662447dc991da72c6403593c [2020-12-01 17:35:15,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:35:15,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:35:15,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:35:15,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:35:15,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:35:15,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:15,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501e1b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15, skipping insertion in model container [2020-12-01 17:35:15,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:15,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:35:15,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:35:15,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:35:15,873 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:35:15,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:35:15,925 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:35:15,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15 WrapperNode [2020-12-01 17:35:15,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:35:15,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:35:15,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:35:15,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:35:15,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:15,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:15,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:35:15,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:35:15,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:35:15,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:35:15,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:15,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:16,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:16,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:16,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:16,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:16,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... [2020-12-01 17:35:16,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:35:16,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:35:16,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:35:16,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:35:16,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:35:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:35:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:35:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:35:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:35:17,171 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:35:17,172 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:35:17,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:35:17 BoogieIcfgContainer [2020-12-01 17:35:17,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:35:17,180 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:35:17,181 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:35:17,195 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:35:17,195 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:35:17" (1/1) ... [2020-12-01 17:35:17,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:35:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:17,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2020-12-01 17:35:17,255 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2020-12-01 17:35:17,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:35:17,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:17,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2020-12-01 17:35:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2020-12-01 17:35:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:35:17,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2020-12-01 17:35:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2020-12-01 17:35:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:35:17,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2020-12-01 17:35:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2020-12-01 17:35:18,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:35:18,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2020-12-01 17:35:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2020-12-01 17:35:18,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:35:18,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2020-12-01 17:35:18,746 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2020-12-01 17:35:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:35:18,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:19,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2020-12-01 17:35:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-12-01 17:35:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:35:19,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2020-12-01 17:35:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2020-12-01 17:35:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:35:19,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2020-12-01 17:35:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2020-12-01 17:35:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:35:20,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:20,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:20,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2020-12-01 17:35:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-12-01 17:35:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:35:20,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2020-12-01 17:35:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2020-12-01 17:35:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:35:21,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:22,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2020-12-01 17:35:22,027 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2020-12-01 17:35:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:35:22,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2020-12-01 17:35:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2020-12-01 17:35:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:35:22,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2020-12-01 17:35:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2020-12-01 17:35:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:35:22,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2020-12-01 17:35:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2020-12-01 17:35:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:35:24,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2020-12-01 17:35:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2020-12-01 17:35:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:35:24,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:24,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2020-12-01 17:35:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2020-12-01 17:35:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:35:25,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2020-12-01 17:35:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2020-12-01 17:35:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:35:25,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:25,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2020-12-01 17:35:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2020-12-01 17:35:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:35:25,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:25,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2020-12-01 17:35:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2020-12-01 17:35:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:35:26,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2020-12-01 17:35:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2020-12-01 17:35:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:35:29,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2020-12-01 17:35:29,622 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2020-12-01 17:35:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:35:29,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2020-12-01 17:35:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2020-12-01 17:35:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:35:30,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2020-12-01 17:35:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-12-01 17:35:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:35:30,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2020-12-01 17:35:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2020-12-01 17:35:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:35:30,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:31,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2020-12-01 17:35:31,226 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2020-12-01 17:35:31,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:35:31,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2020-12-01 17:35:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2020-12-01 17:35:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:35:31,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2020-12-01 17:35:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2020-12-01 17:35:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:35:34,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2020-12-01 17:35:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2020-12-01 17:35:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:35:35,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2020-12-01 17:35:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2020-12-01 17:35:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:35:35,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2020-12-01 17:35:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2020-12-01 17:35:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:35:36,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2020-12-01 17:35:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-12-01 17:35:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:35:36,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2020-12-01 17:35:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2020-12-01 17:35:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:35:37,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2020-12-01 17:35:37,828 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2020-12-01 17:35:37,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:35:37,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2020-12-01 17:35:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2020-12-01 17:35:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:35:42,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2020-12-01 17:35:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2020-12-01 17:35:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:35:42,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2020-12-01 17:35:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2020-12-01 17:35:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:35:43,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:43,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2020-12-01 17:35:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2020-12-01 17:35:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:43,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:44,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2020-12-01 17:35:44,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2020-12-01 17:35:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:44,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:44,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2020-12-01 17:35:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2020-12-01 17:35:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:45,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2020-12-01 17:35:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2020-12-01 17:35:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:45,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2020-12-01 17:35:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2020-12-01 17:35:46,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:46,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2020-12-01 17:35:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2020-12-01 17:35:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:46,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2020-12-01 17:35:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2020-12-01 17:35:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:51,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2020-12-01 17:35:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2020-12-01 17:35:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:52,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:52,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2020-12-01 17:35:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2020-12-01 17:35:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:35:52,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2020-12-01 17:35:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2020-12-01 17:35:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:35:53,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:54,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2020-12-01 17:35:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2020-12-01 17:35:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:35:54,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2020-12-01 17:35:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2020-12-01 17:35:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:35:55,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:55,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2020-12-01 17:35:55,979 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-12-01 17:35:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:35:55,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:55,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2020-12-01 17:35:56,619 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2020-12-01 17:35:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:35:56,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2020-12-01 17:35:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2020-12-01 17:35:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:35:57,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2020-12-01 17:35:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2020-12-01 17:35:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:35:57,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2020-12-01 17:36:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2020-12-01 17:36:05,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:36:05,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:06,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2020-12-01 17:36:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2020-12-01 17:36:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:36:06,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:06,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2020-12-01 17:36:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2020-12-01 17:36:07,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:36:07,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2020-12-01 17:36:08,078 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2020-12-01 17:36:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:08,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2020-12-01 17:36:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2020-12-01 17:36:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:09,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:09,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:09,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2020-12-01 17:36:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2020-12-01 17:36:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:09,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2020-12-01 17:36:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2020-12-01 17:36:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:10,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2020-12-01 17:36:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2020-12-01 17:36:11,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:11,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:11,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:12,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2020-12-01 17:36:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2020-12-01 17:36:12,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:12,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2020-12-01 17:36:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2020-12-01 17:36:13,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:13,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2020-12-01 17:36:23,813 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2020-12-01 17:36:23,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:23,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2020-12-01 17:36:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2020-12-01 17:36:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:24,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2020-12-01 17:36:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2020-12-01 17:36:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:25,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 64 states and 106 transitions. [2020-12-01 17:36:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2020-12-01 17:36:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:26,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2020-12-01 17:36:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2020-12-01 17:36:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:27,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2020-12-01 17:36:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2020-12-01 17:36:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:28,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:28,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2020-12-01 17:36:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2020-12-01 17:36:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:29,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2020-12-01 17:36:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2020-12-01 17:36:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:30,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2020-12-01 17:36:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2020-12-01 17:36:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:31,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2020-12-01 17:36:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2020-12-01 17:36:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:32,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:33,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2020-12-01 17:36:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2020-12-01 17:36:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:33,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2020-12-01 17:36:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2020-12-01 17:36:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:34,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2020-12-01 17:36:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2020-12-01 17:36:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:35,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2020-12-01 17:36:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-01 17:36:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:36,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:37,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2020-12-01 17:36:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2020-12-01 17:36:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:36:37,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2020-12-01 17:36:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2020-12-01 17:36:38,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:36:38,158 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2020-12-01 17:36:38,166 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:36:38,802 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:38,806 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:38,806 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:38,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:36:38 ImpRootNode [2020-12-01 17:36:38,807 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:36:38,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:36:38,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:36:38,808 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:36:38,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:35:17" (3/4) ... [2020-12-01 17:36:38,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:36:38,825 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-12-01 17:36:38,825 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:36:38,826 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:36:38,826 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:36:38,942 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eeede6a9-cb8a-40eb-acd5-8e2625dec03f/bin/ukojak/witness.graphml [2020-12-01 17:36:38,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:36:38,948 INFO L168 Benchmark]: Toolchain (without parser) took 83381.92 ms. Allocated memory was 90.2 MB in the beginning and 1.1 GB in the end (delta: 977.3 MB). Free memory was 59.2 MB in the beginning and 915.1 MB in the end (delta: -855.9 MB). Peak memory consumption was 121.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:38,949 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 90.2 MB. Free memory was 49.0 MB in the beginning and 48.9 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:36:38,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.56 ms. Allocated memory is still 90.2 MB. Free memory was 59.0 MB in the beginning and 67.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:38,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.44 ms. Allocated memory is still 90.2 MB. Free memory was 67.4 MB in the beginning and 65.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:38,950 INFO L168 Benchmark]: Boogie Preprocessor took 40.18 ms. Allocated memory is still 90.2 MB. Free memory was 65.7 MB in the beginning and 64.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:38,951 INFO L168 Benchmark]: RCFGBuilder took 1153.22 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 64.4 MB in the beginning and 72.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:38,951 INFO L168 Benchmark]: CodeCheck took 81627.34 ms. Allocated memory was 109.1 MB in the beginning and 1.1 GB in the end (delta: 958.4 MB). Free memory was 72.7 MB in the beginning and 919.2 MB in the end (delta: -846.6 MB). Peak memory consumption was 642.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:38,952 INFO L168 Benchmark]: Witness Printer took 134.80 ms. Allocated memory is still 1.1 GB. Free memory was 919.2 MB in the beginning and 915.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:38,955 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, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 80.9s, OverallIterations: 79, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1335226364 SDslu, 0 SDs, 0 SdLazy, 1465769976 SolverSat, 260304892 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11386 GetRequests, 10810 SyntacticMatches, 0 SemanticMatches, 576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160411 ImplicationChecksByTransitivity, 75.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1106 NumberOfCodeBlocks, 1106 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 1028 ConstructedInterpolants, 0 QuantifiedInterpolants, 77274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 78 PerfectInterpolantSequences, 0/0 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 90.2 MB. Free memory was 49.0 MB in the beginning and 48.9 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.56 ms. Allocated memory is still 90.2 MB. Free memory was 59.0 MB in the beginning and 67.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.44 ms. Allocated memory is still 90.2 MB. Free memory was 67.4 MB in the beginning and 65.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.18 ms. Allocated memory is still 90.2 MB. Free memory was 65.7 MB in the beginning and 64.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1153.22 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 64.4 MB in the beginning and 72.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * CodeCheck took 81627.34 ms. Allocated memory was 109.1 MB in the beginning and 1.1 GB in the end (delta: 958.4 MB). Free memory was 72.7 MB in the beginning and 919.2 MB in the end (delta: -846.6 MB). Peak memory consumption was 642.4 MB. Max. memory is 16.1 GB. * Witness Printer took 134.80 ms. Allocated memory is still 1.1 GB. Free memory was 919.2 MB in the beginning and 915.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...