./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.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_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/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 a782d0524cc0b0b5c0b646ffcbe2ffba4b8b0177 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:54:02,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:54:02,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:54:02,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:54:02,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:54:02,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:54:02,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:54:02,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:54:02,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:54:02,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:54:02,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:54:02,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:54:02,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:54:02,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:54:02,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:54:02,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:54:02,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:54:02,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:54:02,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:54:02,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:54:02,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:54:02,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:54:02,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:54:02,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:54:02,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:54:02,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:54:02,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:54:02,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:54:02,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:54:02,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:54:02,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:54:02,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:54:02,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:54:02,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:54:02,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:54:02,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:54:02,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:54:02,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:54:02,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:54:02,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:54:02,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:54:02,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:54:02,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:54:02,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:54:02,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:54:02,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:54:02,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:54:02,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:54:02,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:54:02,503 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:54:02,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:54:02,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:54:02,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:54:02,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:54:02,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:54:02,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:54:02,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:54:02,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:54:02,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:54:02,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:54:02,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:54:02,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:54:02,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:54:02,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:54:02,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:54:02,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:54:02,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:54:02,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:54:02,506 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:54:02,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:54:02,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:54:02,506 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_d2a346d7-03fe-4d29-940d-1a3035754641/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a782d0524cc0b0b5c0b646ffcbe2ffba4b8b0177 [2020-12-01 16:54:02,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:54:02,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:54:02,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:54:02,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:54:02,819 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:54:02,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2020-12-01 16:54:02,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/data/8af37a9d3/16a0ec3da96e4f8093a8f6b6b2944c15/FLAGd49700e36 [2020-12-01 16:54:03,472 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:54:03,473 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2020-12-01 16:54:03,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/data/8af37a9d3/16a0ec3da96e4f8093a8f6b6b2944c15/FLAGd49700e36 [2020-12-01 16:54:03,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/data/8af37a9d3/16a0ec3da96e4f8093a8f6b6b2944c15 [2020-12-01 16:54:03,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:54:03,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:54:03,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:54:03,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:54:03,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:54:03,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:54:03" (1/1) ... [2020-12-01 16:54:03,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab9f7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:03, skipping insertion in model container [2020-12-01 16:54:03,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:54:03" (1/1) ... [2020-12-01 16:54:03,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:54:03,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:54:04,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:54:04,247 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:54:04,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:54:04,365 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:54:04,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04 WrapperNode [2020-12-01 16:54:04,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:54:04,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:54:04,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:54:04,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:54:04,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:54:04,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:54:04,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:54:04,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:54:04,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... [2020-12-01 16:54:04,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:54:04,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:54:04,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:54:04,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:54:04,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:54:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/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 16:54:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:54:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:54:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:54:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:54:06,861 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:54:06,862 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:54:06,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:54:06 BoogieIcfgContainer [2020-12-01 16:54:06,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:54:06,866 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:54:06,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:54:06,877 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:54:06,877 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:54:06" (1/1) ... [2020-12-01 16:54:06,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:54:06,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-12-01 16:54:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-12-01 16:54:06,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:54:06,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:07,331 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 16:54:07,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 261 transitions. [2020-12-01 16:54:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2020-12-01 16:54:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:54:07,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 215 states and 339 transitions. [2020-12-01 16:54:08,970 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 339 transitions. [2020-12-01 16:54:08,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:54:08,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 220 states and 346 transitions. [2020-12-01 16:54:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 346 transitions. [2020-12-01 16:54:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:54:09,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:09,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:54:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 296 states and 439 transitions. [2020-12-01 16:54:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 439 transitions. [2020-12-01 16:54:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:54:10,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:10,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 312 states and 457 transitions. [2020-12-01 16:54:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 457 transitions. [2020-12-01 16:54:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:54:10,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 332 states and 479 transitions. [2020-12-01 16:54:11,115 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 479 transitions. [2020-12-01 16:54:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 16:54:11,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:54:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 342 states and 492 transitions. [2020-12-01 16:54:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 492 transitions. [2020-12-01 16:54:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 16:54:11,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:54:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 363 states and 516 transitions. [2020-12-01 16:54:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 516 transitions. [2020-12-01 16:54:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 16:54:12,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 386 states and 542 transitions. [2020-12-01 16:54:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 542 transitions. [2020-12-01 16:54:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:54:12,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:54:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 391 states and 549 transitions. [2020-12-01 16:54:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 549 transitions. [2020-12-01 16:54:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:54:13,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:13,253 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:54:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 401 states and 560 transitions. [2020-12-01 16:54:13,445 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 560 transitions. [2020-12-01 16:54:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:54:13,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:54:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 406 states and 566 transitions. [2020-12-01 16:54:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 566 transitions. [2020-12-01 16:54:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:54:13,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:54:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 407 states and 566 transitions. [2020-12-01 16:54:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 566 transitions. [2020-12-01 16:54:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:54:13,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 413 states and 574 transitions. [2020-12-01 16:54:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 574 transitions. [2020-12-01 16:54:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 16:54:14,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:54:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 432 states and 595 transitions. [2020-12-01 16:54:14,368 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 595 transitions. [2020-12-01 16:54:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:54:14,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:54:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 441 states and 605 transitions. [2020-12-01 16:54:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 605 transitions. [2020-12-01 16:54:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-01 16:54:14,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:54:15,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 450 states and 618 transitions. [2020-12-01 16:54:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 618 transitions. [2020-12-01 16:54:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-01 16:54:15,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:54:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 458 states and 629 transitions. [2020-12-01 16:54:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 629 transitions. [2020-12-01 16:54:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-01 16:54:15,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:54:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 462 states and 633 transitions. [2020-12-01 16:54:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 633 transitions. [2020-12-01 16:54:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 16:54:15,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:54:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:16,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 473 states and 647 transitions. [2020-12-01 16:54:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 647 transitions. [2020-12-01 16:54:16,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 16:54:16,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:54:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 479 states and 653 transitions. [2020-12-01 16:54:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 653 transitions. [2020-12-01 16:54:16,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:54:16,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:54:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 501 states and 677 transitions. [2020-12-01 16:54:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 677 transitions. [2020-12-01 16:54:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:54:17,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:54:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 516 states and 696 transitions. [2020-12-01 16:54:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 696 transitions. [2020-12-01 16:54:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:54:18,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:54:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 530 states and 711 transitions. [2020-12-01 16:54:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 711 transitions. [2020-12-01 16:54:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 16:54:18,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:54:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:18,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 544 states and 725 transitions. [2020-12-01 16:54:18,977 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 725 transitions. [2020-12-01 16:54:18,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-01 16:54:18,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:54:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 558 states and 739 transitions. [2020-12-01 16:54:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 739 transitions. [2020-12-01 16:54:19,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-01 16:54:19,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:54:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 572 states and 753 transitions. [2020-12-01 16:54:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 753 transitions. [2020-12-01 16:54:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 16:54:19,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:54:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 575 states and 757 transitions. [2020-12-01 16:54:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 757 transitions. [2020-12-01 16:54:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 16:54:19,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:54:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 578 states and 761 transitions. [2020-12-01 16:54:20,274 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 761 transitions. [2020-12-01 16:54:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 16:54:20,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:20,346 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:54:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:20,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 581 states and 765 transitions. [2020-12-01 16:54:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 765 transitions. [2020-12-01 16:54:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 16:54:20,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:54:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 607 states and 793 transitions. [2020-12-01 16:54:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 793 transitions. [2020-12-01 16:54:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 16:54:20,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:20,964 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:54:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 626 states and 812 transitions. [2020-12-01 16:54:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 812 transitions. [2020-12-01 16:54:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 16:54:21,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 658 states and 846 transitions. [2020-12-01 16:54:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 846 transitions. [2020-12-01 16:54:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:54:21,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:54:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 678 states and 868 transitions. [2020-12-01 16:54:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 868 transitions. [2020-12-01 16:54:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:54:21,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 748 states and 948 transitions. [2020-12-01 16:54:22,990 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 948 transitions. [2020-12-01 16:54:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 16:54:22,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 785 states and 986 transitions. [2020-12-01 16:54:24,109 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 986 transitions. [2020-12-01 16:54:24,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 16:54:24,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:24,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 822 states and 1027 transitions. [2020-12-01 16:54:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1027 transitions. [2020-12-01 16:54:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 16:54:24,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:24,724 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:54:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 840 states and 1047 transitions. [2020-12-01 16:54:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1047 transitions. [2020-12-01 16:54:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:54:24,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:54:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 841 states and 1047 transitions. [2020-12-01 16:54:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1047 transitions. [2020-12-01 16:54:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-01 16:54:25,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 865 states and 1071 transitions. [2020-12-01 16:54:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1071 transitions. [2020-12-01 16:54:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 16:54:25,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:54:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 922 states and 1155 transitions. [2020-12-01 16:54:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1155 transitions. [2020-12-01 16:54:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 16:54:27,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:54:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 972 states and 1211 transitions. [2020-12-01 16:54:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1211 transitions. [2020-12-01 16:54:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 16:54:29,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:54:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 982 states and 1222 transitions. [2020-12-01 16:54:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1222 transitions. [2020-12-01 16:54:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 16:54:29,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1053 states and 1293 transitions. [2020-12-01 16:54:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1293 transitions. [2020-12-01 16:54:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:54:31,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:31,742 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:54:33,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:33,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1094 states and 1338 transitions. [2020-12-01 16:54:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1338 transitions. [2020-12-01 16:54:33,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:54:33,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:54:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1115 states and 1360 transitions. [2020-12-01 16:54:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1360 transitions. [2020-12-01 16:54:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:54:33,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:54:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1144 states and 1390 transitions. [2020-12-01 16:54:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1390 transitions. [2020-12-01 16:54:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:54:35,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:54:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1169 states and 1417 transitions. [2020-12-01 16:54:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1417 transitions. [2020-12-01 16:54:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:54:35,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:54:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1193 states and 1441 transitions. [2020-12-01 16:54:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1441 transitions. [2020-12-01 16:54:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 16:54:36,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1232 states and 1482 transitions. [2020-12-01 16:54:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1482 transitions. [2020-12-01 16:54:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 16:54:37,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1271 states and 1525 transitions. [2020-12-01 16:54:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1525 transitions. [2020-12-01 16:54:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 16:54:38,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 16:54:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1274 states and 1528 transitions. [2020-12-01 16:54:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1528 transitions. [2020-12-01 16:54:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 16:54:38,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 16:54:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1277 states and 1531 transitions. [2020-12-01 16:54:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1531 transitions. [2020-12-01 16:54:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 16:54:38,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:54:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:39,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1302 states and 1558 transitions. [2020-12-01 16:54:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1558 transitions. [2020-12-01 16:54:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 16:54:39,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:54:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1326 states and 1583 transitions. [2020-12-01 16:54:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1583 transitions. [2020-12-01 16:54:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:54:39,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1441 states and 1713 transitions. [2020-12-01 16:54:43,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1713 transitions. [2020-12-01 16:54:43,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:54:43,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:54:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1554 states and 1835 transitions. [2020-12-01 16:54:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1835 transitions. [2020-12-01 16:54:46,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 16:54:46,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 16:54:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:47,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1601 states and 1892 transitions. [2020-12-01 16:54:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1892 transitions. [2020-12-01 16:54:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 16:54:47,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 16:54:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1647 states and 1944 transitions. [2020-12-01 16:54:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1944 transitions. [2020-12-01 16:54:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 16:54:48,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-12-01 16:54:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1717 states and 2016 transitions. [2020-12-01 16:54:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2016 transitions. [2020-12-01 16:54:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 16:54:49,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:54:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 1758 states and 2058 transitions. [2020-12-01 16:54:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2058 transitions. [2020-12-01 16:54:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 16:54:50,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:54:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:50,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1761 states and 2059 transitions. [2020-12-01 16:54:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2059 transitions. [2020-12-01 16:54:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-01 16:54:50,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 207 proven. 38 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 16:54:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1816 states and 2119 transitions. [2020-12-01 16:54:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2119 transitions. [2020-12-01 16:54:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-01 16:54:53,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 182 proven. 103 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:54:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:54:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1866 states and 2178 transitions. [2020-12-01 16:54:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2178 transitions. [2020-12-01 16:54:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-12-01 16:54:56,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:54:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:54:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 168 proven. 92 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 16:55:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2006 states and 2335 transitions. [2020-12-01 16:55:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2335 transitions. [2020-12-01 16:55:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 16:55:00,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 16:55:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2007 states and 2335 transitions. [2020-12-01 16:55:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2335 transitions. [2020-12-01 16:55:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 16:55:00,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:55:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2375 states to 2046 states and 2375 transitions. [2020-12-01 16:55:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2375 transitions. [2020-12-01 16:55:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 16:55:03,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:55:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2085 states and 2415 transitions. [2020-12-01 16:55:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2415 transitions. [2020-12-01 16:55:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-12-01 16:55:06,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 385 proven. 83 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:55:11,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2236 states and 2585 transitions. [2020-12-01 16:55:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2585 transitions. [2020-12-01 16:55:11,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-01 16:55:11,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 356 proven. 86 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:55:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2384 states and 2755 transitions. [2020-12-01 16:55:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 2755 transitions. [2020-12-01 16:55:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-12-01 16:55:17,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:17,656 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 400 proven. 88 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:55:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2458 states and 2835 transitions. [2020-12-01 16:55:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 2835 transitions. [2020-12-01 16:55:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-12-01 16:55:19,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:19,730 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 246 proven. 139 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-12-01 16:55:20,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2459 states and 2837 transitions. [2020-12-01 16:55:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2837 transitions. [2020-12-01 16:55:20,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-12-01 16:55:20,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 16:55:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2489 states and 2872 transitions. [2020-12-01 16:55:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2872 transitions. [2020-12-01 16:55:22,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-12-01 16:55:22,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 16:55:22,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2493 states and 2876 transitions. [2020-12-01 16:55:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2876 transitions. [2020-12-01 16:55:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-12-01 16:55:22,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 434 proven. 103 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:55:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2607 states and 2991 transitions. [2020-12-01 16:55:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 2991 transitions. [2020-12-01 16:55:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 16:55:25,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-01 16:55:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2673 states and 3067 transitions. [2020-12-01 16:55:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3067 transitions. [2020-12-01 16:55:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-12-01 16:55:29,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 614 proven. 153 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 16:55:33,990 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2020-12-01 16:55:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 2802 states and 3208 transitions. [2020-12-01 16:55:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3208 transitions. [2020-12-01 16:55:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-12-01 16:55:34,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:55:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:55:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 324 proven. 186 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-12-01 16:55:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:55:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 2729 states and 3127 transitions. [2020-12-01 16:55:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3127 transitions. [2020-12-01 16:55:36,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:55:36,314 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2020-12-01 16:55:36,321 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:55:36,718 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2020-12-01 16:55:36,915 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:37,285 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:37,483 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:37,761 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2020-12-01 16:55:38,115 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2020-12-01 16:55:38,313 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:38,673 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:38,890 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-12-01 16:55:39,157 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2020-12-01 16:55:39,419 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2020-12-01 16:55:39,701 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-12-01 16:55:39,996 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2020-12-01 16:55:40,275 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2020-12-01 16:55:40,471 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:40,782 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2020-12-01 16:55:41,138 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:41,332 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:41,727 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 30 [2020-12-01 16:55:41,945 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-12-01 16:55:42,218 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2020-12-01 16:55:42,604 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:42,809 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:43,173 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 30 [2020-12-01 16:55:43,544 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 30 [2020-12-01 16:55:43,754 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:44,146 WARN L197 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:44,410 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2020-12-01 16:55:44,778 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2020-12-01 16:55:44,987 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-12-01 16:55:45,433 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 30 [2020-12-01 16:55:45,717 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2020-12-01 16:55:45,936 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:46,152 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-12-01 16:55:46,545 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2020-12-01 16:55:46,869 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 30 [2020-12-01 16:55:47,222 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 30 [2020-12-01 16:55:47,424 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:47,735 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2020-12-01 16:55:47,940 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:48,259 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2020-12-01 16:55:48,471 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:48,836 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:49,222 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2020-12-01 16:55:49,613 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2020-12-01 16:55:49,840 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-12-01 16:55:50,228 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2020-12-01 16:55:50,618 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 30 [2020-12-01 16:55:51,032 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2020-12-01 16:55:51,390 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2020-12-01 16:55:51,826 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:52,179 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2020-12-01 16:55:52,616 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:53,005 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 30 [2020-12-01 16:55:53,232 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:53,653 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 30 [2020-12-01 16:55:54,018 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 30 [2020-12-01 16:55:54,395 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 16:55:54,611 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-12-01 16:55:54,975 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2020-12-01 16:55:55,337 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 30 [2020-12-01 16:55:55,731 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 30 [2020-12-01 16:55:56,116 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 30 [2020-12-01 16:55:56,324 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:56,704 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 30 [2020-12-01 16:55:56,910 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-12-01 16:55:57,173 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 30 [2020-12-01 16:55:57,409 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-12-01 16:55:57,773 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 30 [2020-12-01 16:55:57,774 INFO L569 CodeCheckObserver]: Invariant with dag size 30 [2020-12-01 16:55:57,785 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:55:57,786 INFO L569 CodeCheckObserver]: Invariant with dag size 30 [2020-12-01 16:55:57,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:55:57 ImpRootNode [2020-12-01 16:55:57,788 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:55:57,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:55:57,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:55:57,789 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:55:57,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:54:06" (3/4) ... [2020-12-01 16:55:57,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:55:57,816 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2020-12-01 16:55:57,818 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-01 16:55:57,820 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:55:57,822 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:55:58,094 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d2a346d7-03fe-4d29-940d-1a3035754641/bin/ukojak/witness.graphml [2020-12-01 16:55:58,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:55:58,095 INFO L168 Benchmark]: Toolchain (without parser) took 114348.38 ms. Allocated memory was 94.4 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 64.2 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2020-12-01 16:55:58,095 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:55:58,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.33 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 54.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:55:58,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.80 ms. Allocated memory is still 94.4 MB. Free memory was 54.4 MB in the beginning and 49.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:55:58,097 INFO L168 Benchmark]: Boogie Preprocessor took 112.66 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 49.0 MB in the beginning and 99.4 MB in the end (delta: -50.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:55:58,098 INFO L168 Benchmark]: RCFGBuilder took 2292.90 ms. Allocated memory was 127.9 MB in the beginning and 176.2 MB in the end (delta: 48.2 MB). Free memory was 99.4 MB in the beginning and 106.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:55:58,098 INFO L168 Benchmark]: CodeCheck took 110922.91 ms. Allocated memory was 176.2 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 106.9 MB in the beginning and 772.7 MB in the end (delta: -665.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2020-12-01 16:55:58,099 INFO L168 Benchmark]: Witness Printer took 305.29 ms. Allocated memory is still 2.1 GB. Free memory was 772.7 MB in the beginning and 2.0 GB in the end (delta: -1.2 GB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:55:58,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 89.4s, OverallIterations: 79, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57981684 SDtfs, 1995292984 SDslu, 366901656 SDs, 0 SdLazy, 770663528 SolverSat, 1873744540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 423.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93140 GetRequests, 90328 SyntacticMatches, 2096 SemanticMatches, 716 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344314 ImplicationChecksByTransitivity, 59.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 13143 NumberOfCodeBlocks, 13143 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 13065 ConstructedInterpolants, 0 QuantifiedInterpolants, 11168420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 61 PerfectInterpolantSequences, 13162/14537 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: 12]: 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: 593]: Loop Invariant Derived loop invariant: (((((((14 == a8 && a12 == 8) && 5 == a16) || (((14 == a8 && a12 == 8) && a16 == 4) && !(a20 == 1))) || !(a21 == 1)) || (((a12 == 8 && a8 == 15) && 5 == a16) && !(a20 == 1))) || (((a12 == 8 && a8 == 15) && a16 == 4) && !(a20 == 1))) || !(a7 == 1)) || a17 == 1 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((14 == a8 && a12 == 8) && 5 == a16) || (((14 == a8 && a12 == 8) && a16 == 4) && !(a20 == 1))) || !(a21 == 1)) || (((a12 == 8 && a8 == 15) && 5 == a16) && !(a20 == 1))) || (((a12 == 8 && a8 == 15) && a16 == 4) && !(a20 == 1))) || !(a7 == 1)) || a17 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.33 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 54.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.80 ms. Allocated memory is still 94.4 MB. Free memory was 54.4 MB in the beginning and 49.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.66 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 49.0 MB in the beginning and 99.4 MB in the end (delta: -50.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2292.90 ms. Allocated memory was 127.9 MB in the beginning and 176.2 MB in the end (delta: 48.2 MB). Free memory was 99.4 MB in the beginning and 106.9 MB in the end (delta: -7.5 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. * CodeCheck took 110922.91 ms. Allocated memory was 176.2 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 106.9 MB in the beginning and 772.7 MB in the end (delta: -665.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Witness Printer took 305.29 ms. Allocated memory is still 2.1 GB. Free memory was 772.7 MB in the beginning and 2.0 GB in the end (delta: -1.2 GB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...