./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05d2a3ff1add36607a16806c355c4adc86a8978e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 12:27:04,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 12:27:04,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 12:27:04,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 12:27:04,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 12:27:04,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 12:27:04,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 12:27:04,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 12:27:04,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 12:27:04,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 12:27:04,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 12:27:04,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 12:27:04,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 12:27:04,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 12:27:04,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 12:27:04,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 12:27:04,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 12:27:04,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 12:27:04,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 12:27:04,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 12:27:04,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 12:27:04,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 12:27:04,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 12:27:04,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 12:27:04,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 12:27:04,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 12:27:04,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 12:27:04,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 12:27:04,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 12:27:04,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 12:27:04,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 12:27:04,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 12:27:04,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 12:27:04,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 12:27:04,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 12:27:04,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 12:27:04,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 12:27:04,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 12:27:04,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 12:27:04,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 12:27:04,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 12:27:04,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 12:27:04,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 12:27:04,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 12:27:04,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 12:27:04,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 12:27:04,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 12:27:04,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 12:27:04,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 12:27:04,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 12:27:04,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 12:27:04,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 12:27:04,773 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 12:27:04,773 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 12:27:04,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 12:27:04,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 12:27:04,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 12:27:04,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 12:27:04,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 12:27:04,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 12:27:04,774 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 12:27:04,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 12:27:04,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 12:27:04,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/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(__VERIFIER_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 -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2019-12-01 12:27:04,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 12:27:04,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 12:27:04,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 12:27:04,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 12:27:04,892 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 12:27:04,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2019-12-01 12:27:04,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/data/afade4bea/f6598fd13cbb4f50843ccf185d6541a1/FLAG9b6af2388 [2019-12-01 12:27:05,430 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 12:27:05,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2019-12-01 12:27:05,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/data/afade4bea/f6598fd13cbb4f50843ccf185d6541a1/FLAG9b6af2388 [2019-12-01 12:27:05,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/data/afade4bea/f6598fd13cbb4f50843ccf185d6541a1 [2019-12-01 12:27:05,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 12:27:05,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 12:27:05,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 12:27:05,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 12:27:05,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 12:27:05,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fee84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05, skipping insertion in model container [2019-12-01 12:27:05,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 12:27:05,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 12:27:05,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 12:27:05,755 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 12:27:05,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 12:27:05,819 INFO L208 MainTranslator]: Completed translation [2019-12-01 12:27:05,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05 WrapperNode [2019-12-01 12:27:05,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 12:27:05,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 12:27:05,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 12:27:05,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 12:27:05,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 12:27:05,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 12:27:05,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 12:27:05,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 12:27:05,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... [2019-12-01 12:27:05,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 12:27:05,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 12:27:05,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 12:27:05,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 12:27:05,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:27:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/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 [2019-12-01 12:27:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 12:27:05,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 12:27:07,062 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 12:27:07,062 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 12:27:07,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:27:07 BoogieIcfgContainer [2019-12-01 12:27:07,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 12:27:07,063 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 12:27:07,064 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 12:27:07,071 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 12:27:07,072 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:27:07" (1/1) ... [2019-12-01 12:27:07,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 12:27:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 12:27:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 12:27:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 12:27:07,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2019-12-01 12:27:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2019-12-01 12:27:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 12:27:07,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:27:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2019-12-01 12:27:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2019-12-01 12:27:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 12:27:07,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2019-12-01 12:27:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2019-12-01 12:27:07,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 12:27:07,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 221 states and 303 transitions. [2019-12-01 12:27:08,468 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2019-12-01 12:27:08,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 12:27:08,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 228 states and 314 transitions. [2019-12-01 12:27:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2019-12-01 12:27:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 12:27:08,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 236 states and 330 transitions. [2019-12-01 12:27:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2019-12-01 12:27:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 12:27:09,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 239 states and 333 transitions. [2019-12-01 12:27:09,299 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 333 transitions. [2019-12-01 12:27:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 12:27:09,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 241 states and 335 transitions. [2019-12-01 12:27:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2019-12-01 12:27:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 12:27:09,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2019-12-01 12:27:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2019-12-01 12:27:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 12:27:09,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:27:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 254 states and 350 transitions. [2019-12-01 12:27:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 350 transitions. [2019-12-01 12:27:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 12:27:09,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:27:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 255 states and 352 transitions. [2019-12-01 12:27:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 352 transitions. [2019-12-01 12:27:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 12:27:09,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:27:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:10,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 260 states and 357 transitions. [2019-12-01 12:27:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 357 transitions. [2019-12-01 12:27:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 12:27:10,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 263 states and 361 transitions. [2019-12-01 12:27:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 361 transitions. [2019-12-01 12:27:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 12:27:10,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:27:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:10,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 268 states and 366 transitions. [2019-12-01 12:27:10,219 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 366 transitions. [2019-12-01 12:27:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-12-01 12:27:10,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 269 states and 367 transitions. [2019-12-01 12:27:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2019-12-01 12:27:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 12:27:10,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 283 states and 389 transitions. [2019-12-01 12:27:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2019-12-01 12:27:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-01 12:27:10,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 305 states and 420 transitions. [2019-12-01 12:27:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2019-12-01 12:27:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-01 12:27:12,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:12,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 425 transitions. [2019-12-01 12:27:12,504 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 425 transitions. [2019-12-01 12:27:12,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-12-01 12:27:12,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 12:27:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 311 states and 427 transitions. [2019-12-01 12:27:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2019-12-01 12:27:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 12:27:12,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 12:27:12,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2019-12-01 12:27:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2019-12-01 12:27:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 12:27:12,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 12:27:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 324 states and 441 transitions. [2019-12-01 12:27:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 441 transitions. [2019-12-01 12:27:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 12:27:13,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 12:27:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 327 states and 444 transitions. [2019-12-01 12:27:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 444 transitions. [2019-12-01 12:27:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 12:27:13,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 12:27:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:13,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 329 states and 446 transitions. [2019-12-01 12:27:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 446 transitions. [2019-12-01 12:27:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 12:27:13,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 12:27:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 340 states and 459 transitions. [2019-12-01 12:27:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 459 transitions. [2019-12-01 12:27:13,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 12:27:13,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 365 states and 490 transitions. [2019-12-01 12:27:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 490 transitions. [2019-12-01 12:27:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-01 12:27:14,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 380 states and 509 transitions. [2019-12-01 12:27:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 509 transitions. [2019-12-01 12:27:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 12:27:14,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2019-12-01 12:27:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2019-12-01 12:27:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-01 12:27:16,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 558 transitions. [2019-12-01 12:27:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 558 transitions. [2019-12-01 12:27:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-01 12:27:17,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2019-12-01 12:27:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2019-12-01 12:27:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-01 12:27:18,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 12:27:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2019-12-01 12:27:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2019-12-01 12:27:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-01 12:27:18,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 12:27:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 447 states and 591 transitions. [2019-12-01 12:27:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 591 transitions. [2019-12-01 12:27:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-01 12:27:19,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 12:27:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:19,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 453 states and 599 transitions. [2019-12-01 12:27:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 599 transitions. [2019-12-01 12:27:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 12:27:19,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 12:27:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 454 states and 600 transitions. [2019-12-01 12:27:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 600 transitions. [2019-12-01 12:27:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 12:27:19,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:19,743 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 460 states and 609 transitions. [2019-12-01 12:27:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2019-12-01 12:27:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 12:27:20,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 12:27:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2019-12-01 12:27:20,567 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2019-12-01 12:27:20,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 12:27:20,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 500 states and 655 transitions. [2019-12-01 12:27:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 655 transitions. [2019-12-01 12:27:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 12:27:21,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:27:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 510 states and 667 transitions. [2019-12-01 12:27:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 667 transitions. [2019-12-01 12:27:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 12:27:21,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:22,119 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:27:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:22,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 519 states and 685 transitions. [2019-12-01 12:27:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 685 transitions. [2019-12-01 12:27:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 12:27:22,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:23,254 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 567 states and 741 transitions. [2019-12-01 12:27:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 741 transitions. [2019-12-01 12:27:25,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 12:27:25,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 612 states and 793 transitions. [2019-12-01 12:27:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 793 transitions. [2019-12-01 12:27:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 12:27:28,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 643 states and 825 transitions. [2019-12-01 12:27:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 825 transitions. [2019-12-01 12:27:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 12:27:30,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:30,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 648 states and 833 transitions. [2019-12-01 12:27:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 833 transitions. [2019-12-01 12:27:30,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 12:27:30,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 12:27:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 657 states and 852 transitions. [2019-12-01 12:27:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 852 transitions. [2019-12-01 12:27:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 12:27:32,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 12:27:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 658 states and 853 transitions. [2019-12-01 12:27:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 853 transitions. [2019-12-01 12:27:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 12:27:32,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:27:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 707 states and 908 transitions. [2019-12-01 12:27:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 908 transitions. [2019-12-01 12:27:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 12:27:33,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 12:27:39,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 752 states and 957 transitions. [2019-12-01 12:27:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 957 transitions. [2019-12-01 12:27:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 12:27:39,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 12:27:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 774 states and 981 transitions. [2019-12-01 12:27:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 981 transitions. [2019-12-01 12:27:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 12:27:41,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 12:27:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 786 states and 1000 transitions. [2019-12-01 12:27:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1000 transitions. [2019-12-01 12:27:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 12:27:43,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 12:27:44,950 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 12:27:47,134 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-12-01 12:27:49,778 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 12:27:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 851 states and 1070 transitions. [2019-12-01 12:27:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1070 transitions. [2019-12-01 12:27:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 12:27:52,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:27:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 868 states and 1088 transitions. [2019-12-01 12:27:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1088 transitions. [2019-12-01 12:27:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 12:27:52,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:54,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:54,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 891 states and 1125 transitions. [2019-12-01 12:27:54,809 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1125 transitions. [2019-12-01 12:27:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 12:27:54,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:27:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 894 states and 1128 transitions. [2019-12-01 12:27:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1128 transitions. [2019-12-01 12:27:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 12:27:55,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 12:27:55,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 898 states and 1131 transitions. [2019-12-01 12:27:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1131 transitions. [2019-12-01 12:27:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 12:27:55,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 12:27:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 900 states and 1133 transitions. [2019-12-01 12:27:55,565 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1133 transitions. [2019-12-01 12:27:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 12:27:55,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:56,315 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:27:58,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:27:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 911 states and 1151 transitions. [2019-12-01 12:27:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1151 transitions. [2019-12-01 12:27:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 12:27:58,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:27:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:27:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:28:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:00,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 923 states and 1170 transitions. [2019-12-01 12:28:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1170 transitions. [2019-12-01 12:28:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 12:28:00,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:28:01,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 932 states and 1179 transitions. [2019-12-01 12:28:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1179 transitions. [2019-12-01 12:28:01,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 12:28:01,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:28:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 937 states and 1184 transitions. [2019-12-01 12:28:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1184 transitions. [2019-12-01 12:28:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 12:28:01,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 12:28:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1006 states and 1254 transitions. [2019-12-01 12:28:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1254 transitions. [2019-12-01 12:28:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-12-01 12:28:04,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 12:28:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1018 states and 1274 transitions. [2019-12-01 12:28:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1274 transitions. [2019-12-01 12:28:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 12:28:07,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:28:09,026 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 12:28:10,923 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 12:28:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1070 states and 1338 transitions. [2019-12-01 12:28:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1338 transitions. [2019-12-01 12:28:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 12:28:12,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:28:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1087 states and 1354 transitions. [2019-12-01 12:28:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1354 transitions. [2019-12-01 12:28:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 12:28:12,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:28:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1089 states and 1356 transitions. [2019-12-01 12:28:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1356 transitions. [2019-12-01 12:28:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-01 12:28:12,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:19,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1127 states and 1401 transitions. [2019-12-01 12:28:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1401 transitions. [2019-12-01 12:28:19,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-01 12:28:19,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1130 states and 1405 transitions. [2019-12-01 12:28:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1405 transitions. [2019-12-01 12:28:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-01 12:28:20,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1147 states and 1433 transitions. [2019-12-01 12:28:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1433 transitions. [2019-12-01 12:28:24,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-01 12:28:24,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 12:28:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1149 states and 1435 transitions. [2019-12-01 12:28:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1435 transitions. [2019-12-01 12:28:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 12:28:24,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 12:28:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1189 states and 1478 transitions. [2019-12-01 12:28:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1478 transitions. [2019-12-01 12:28:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 12:28:29,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:29,917 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 12:28:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1191 states and 1479 transitions. [2019-12-01 12:28:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1479 transitions. [2019-12-01 12:28:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-12-01 12:28:30,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 12:28:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1194 states and 1482 transitions. [2019-12-01 12:28:31,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1482 transitions. [2019-12-01 12:28:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 12:28:31,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-01 12:28:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:31,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1199 states and 1489 transitions. [2019-12-01 12:28:31,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1489 transitions. [2019-12-01 12:28:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 12:28:31,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1204 states and 1494 transitions. [2019-12-01 12:28:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1494 transitions. [2019-12-01 12:28:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-01 12:28:31,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:33,902 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-12-01 12:28:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1213 states and 1506 transitions. [2019-12-01 12:28:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1506 transitions. [2019-12-01 12:28:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-01 12:28:36,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1217 states and 1510 transitions. [2019-12-01 12:28:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1510 transitions. [2019-12-01 12:28:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-01 12:28:37,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1231 states and 1524 transitions. [2019-12-01 12:28:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1524 transitions. [2019-12-01 12:28:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-01 12:28:39,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1248 states and 1540 transitions. [2019-12-01 12:28:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1540 transitions. [2019-12-01 12:28:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-01 12:28:40,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:28:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1249 states and 1541 transitions. [2019-12-01 12:28:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1541 transitions. [2019-12-01 12:28:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 12:28:41,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 12:28:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:43,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1287 states and 1585 transitions. [2019-12-01 12:28:43,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1585 transitions. [2019-12-01 12:28:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 12:28:43,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 12:28:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1289 states and 1586 transitions. [2019-12-01 12:28:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1586 transitions. [2019-12-01 12:28:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 12:28:44,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 12:28:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1356 states and 1655 transitions. [2019-12-01 12:28:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1655 transitions. [2019-12-01 12:28:44,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 12:28:44,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-12-01 12:28:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1369 states and 1671 transitions. [2019-12-01 12:28:45,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1671 transitions. [2019-12-01 12:28:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 12:28:45,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:28:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1380 states and 1684 transitions. [2019-12-01 12:28:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1684 transitions. [2019-12-01 12:28:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 12:28:50,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:28:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1419 states and 1725 transitions. [2019-12-01 12:28:54,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1725 transitions. [2019-12-01 12:28:54,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 12:28:54,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-12-01 12:28:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:28:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1435 states and 1747 transitions. [2019-12-01 12:28:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1747 transitions. [2019-12-01 12:28:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 12:28:56,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:28:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:28:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 12:29:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1464 states and 1786 transitions. [2019-12-01 12:29:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1786 transitions. [2019-12-01 12:29:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 12:29:07,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:07,892 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 12:29:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1476 states and 1800 transitions. [2019-12-01 12:29:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1800 transitions. [2019-12-01 12:29:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 12:29:09,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 12:29:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1478 states and 1803 transitions. [2019-12-01 12:29:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1803 transitions. [2019-12-01 12:29:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 12:29:10,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 12:29:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1492 states and 1817 transitions. [2019-12-01 12:29:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1817 transitions. [2019-12-01 12:29:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 12:29:11,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 25 proven. 190 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 12:29:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1588 states and 1929 transitions. [2019-12-01 12:29:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1929 transitions. [2019-12-01 12:29:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-12-01 12:29:18,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:29:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1602 states and 1949 transitions. [2019-12-01 12:29:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1949 transitions. [2019-12-01 12:29:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-12-01 12:29:22,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:29:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1604 states and 1953 transitions. [2019-12-01 12:29:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 1953 transitions. [2019-12-01 12:29:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-12-01 12:29:23,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:29:25,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1618 states and 1966 transitions. [2019-12-01 12:29:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1966 transitions. [2019-12-01 12:29:25,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-12-01 12:29:25,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:29:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1647 states and 1997 transitions. [2019-12-01 12:29:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1997 transitions. [2019-12-01 12:29:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-12-01 12:29:32,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:29:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1656 states and 2006 transitions. [2019-12-01 12:29:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2006 transitions. [2019-12-01 12:29:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-12-01 12:29:34,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:34,092 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 206 proven. 69 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 12:29:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 1726 states and 2084 transitions. [2019-12-01 12:29:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2084 transitions. [2019-12-01 12:29:36,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-12-01 12:29:36,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 12:29:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1737 states and 2095 transitions. [2019-12-01 12:29:39,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2095 transitions. [2019-12-01 12:29:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 12:29:39,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:29:47,752 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-01 12:29:52,686 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-01 12:29:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:54,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1793 states and 2160 transitions. [2019-12-01 12:29:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2160 transitions. [2019-12-01 12:29:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 12:29:54,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:29:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1832 states and 2206 transitions. [2019-12-01 12:29:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2206 transitions. [2019-12-01 12:29:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 12:29:57,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:29:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:29:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:29:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1837 states and 2211 transitions. [2019-12-01 12:29:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2211 transitions. [2019-12-01 12:29:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-12-01 12:29:59,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:29:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:30:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1842 states and 2216 transitions. [2019-12-01 12:30:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2216 transitions. [2019-12-01 12:30:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-12-01 12:30:02,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 12:30:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1845 states and 2219 transitions. [2019-12-01 12:30:03,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2219 transitions. [2019-12-01 12:30:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-12-01 12:30:03,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 15 proven. 239 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-12-01 12:30:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1932 states and 2336 transitions. [2019-12-01 12:30:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2336 transitions. [2019-12-01 12:30:26,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 12:30:26,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 12:30:42,856 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 12:30:48,291 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 12:30:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2002 states and 2416 transitions. [2019-12-01 12:30:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2416 transitions. [2019-12-01 12:30:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 12:30:49,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 12:30:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2059 states and 2473 transitions. [2019-12-01 12:30:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2473 transitions. [2019-12-01 12:30:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 12:30:57,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 12:30:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2063 states and 2476 transitions. [2019-12-01 12:30:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2476 transitions. [2019-12-01 12:30:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 12:30:58,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 12:31:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:02,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2070 states and 2483 transitions. [2019-12-01 12:31:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2483 transitions. [2019-12-01 12:31:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 12:31:02,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-12-01 12:31:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2071 states and 2484 transitions. [2019-12-01 12:31:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2484 transitions. [2019-12-01 12:31:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 12:31:06,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:31:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2074 states and 2487 transitions. [2019-12-01 12:31:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2487 transitions. [2019-12-01 12:31:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 12:31:08,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:31:13,208 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-01 12:31:18,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2120 states and 2534 transitions. [2019-12-01 12:31:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 2534 transitions. [2019-12-01 12:31:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 12:31:18,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:31:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:21,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2126 states and 2540 transitions. [2019-12-01 12:31:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2540 transitions. [2019-12-01 12:31:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 12:31:21,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 12:31:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2197 states and 2615 transitions. [2019-12-01 12:31:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2615 transitions. [2019-12-01 12:31:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 12:31:23,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:31:25,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2206 states and 2623 transitions. [2019-12-01 12:31:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2623 transitions. [2019-12-01 12:31:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 12:31:25,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:31:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2208 states and 2624 transitions. [2019-12-01 12:31:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2624 transitions. [2019-12-01 12:31:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 12:31:29,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:31:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2210 states and 2625 transitions. [2019-12-01 12:31:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2625 transitions. [2019-12-01 12:31:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-12-01 12:31:30,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:33,837 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-12-01 12:31:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-12-01 12:31:35,861 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 12:31:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2230 states and 2646 transitions. [2019-12-01 12:31:43,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2646 transitions. [2019-12-01 12:31:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-12-01 12:31:43,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-12-01 12:31:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2253 states and 2668 transitions. [2019-12-01 12:31:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2668 transitions. [2019-12-01 12:31:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 12:31:45,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:31:47,370 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 12:31:49,344 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-01 12:31:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2278 states and 2714 transitions. [2019-12-01 12:31:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2714 transitions. [2019-12-01 12:31:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 12:31:56,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:31:58,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2280 states and 2716 transitions. [2019-12-01 12:31:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2716 transitions. [2019-12-01 12:31:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 12:31:58,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:32:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2294 states and 2730 transitions. [2019-12-01 12:32:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2730 transitions. [2019-12-01 12:32:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 12:32:01,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:32:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2299 states and 2735 transitions. [2019-12-01 12:32:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2735 transitions. [2019-12-01 12:32:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 12:32:02,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:32:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2308 states and 2744 transitions. [2019-12-01 12:32:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2744 transitions. [2019-12-01 12:32:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 12:32:04,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:06,369 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-12-01 12:32:07,503 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-12-01 12:32:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 12:32:10,865 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-12-01 12:32:24,093 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 12:32:25,798 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-12-01 12:32:27,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:27,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2349 states and 2787 transitions. [2019-12-01 12:32:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2787 transitions. [2019-12-01 12:32:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 12:32:27,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 12:32:30,403 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-12-01 12:32:33,074 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-12-01 12:32:37,737 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-12-01 12:32:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2366 states and 2806 transitions. [2019-12-01 12:32:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2806 transitions. [2019-12-01 12:32:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 12:32:38,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 12:32:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:43,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2386 states and 2826 transitions. [2019-12-01 12:32:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2826 transitions. [2019-12-01 12:32:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 12:32:43,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 12:32:48,881 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2019-12-01 12:32:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2406 states and 2845 transitions. [2019-12-01 12:32:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2845 transitions. [2019-12-01 12:32:49,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 12:32:49,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 12:32:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2408 states and 2846 transitions. [2019-12-01 12:32:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 2846 transitions. [2019-12-01 12:32:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-01 12:32:51,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 12:32:56,920 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-12-01 12:32:59,269 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-12-01 12:33:08,655 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-12-01 12:33:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2456 states and 2894 transitions. [2019-12-01 12:33:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2894 transitions. [2019-12-01 12:33:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 12:33:11,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 12:33:29,217 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-12-01 12:33:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2559 states and 3029 transitions. [2019-12-01 12:33:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3029 transitions. [2019-12-01 12:33:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 12:33:34,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 12:33:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 2577 states and 3050 transitions. [2019-12-01 12:33:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3050 transitions. [2019-12-01 12:33:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 12:33:43,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 12:33:47,144 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 12:33:48,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 2592 states and 3065 transitions. [2019-12-01 12:33:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3065 transitions. [2019-12-01 12:33:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 12:33:48,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 12:33:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2602 states and 3074 transitions. [2019-12-01 12:33:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3074 transitions. [2019-12-01 12:33:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 12:33:49,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 12:33:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2604 states and 3076 transitions. [2019-12-01 12:33:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3076 transitions. [2019-12-01 12:33:50,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 12:33:50,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 12:33:57,440 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 12:33:59,857 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 12:34:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:34:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 2617 states and 3093 transitions. [2019-12-01 12:34:03,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3093 transitions. [2019-12-01 12:34:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 12:34:03,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:34:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:34:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 12:34:06,072 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-01 12:34:06,366 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 12:34:08,820 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 12:34:10,375 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-12-01 12:34:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:34:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 2662 states and 3143 transitions. [2019-12-01 12:34:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3143 transitions. [2019-12-01 12:34:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 12:34:12,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:34:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:34:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 12:34:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:34:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 2665 states and 3145 transitions. [2019-12-01 12:34:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3145 transitions. [2019-12-01 12:34:12,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 12:34:12,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:34:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:34:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:34:15,072 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-12-01 12:34:17,303 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-01 12:34:20,821 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-12-01 12:34:24,805 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-12-01 12:34:25,612 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-12-01 12:34:28,263 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-12-01 12:34:28,967 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-12-01 12:34:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:34:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 2710 states and 3192 transitions. [2019-12-01 12:34:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3192 transitions. [2019-12-01 12:34:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-12-01 12:34:33,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:34:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:34:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2019-12-01 12:34:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:34:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 2779 states and 3263 transitions. [2019-12-01 12:34:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3263 transitions. [2019-12-01 12:34:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 12:34:36,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:34:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:34:40,803 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 12:34:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 12:34:47,093 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-12-01 12:34:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:34:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 2792 states and 3279 transitions. [2019-12-01 12:34:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3279 transitions. [2019-12-01 12:34:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 12:34:53,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:34:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:34:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 12:34:55,484 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 12:34:55,979 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-01 12:34:57,423 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 12:34:59,446 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-01 12:35:00,825 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 12:35:01,182 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 12:35:02,625 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 12:35:06,520 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 12:35:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:35:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 2827 states and 3319 transitions. [2019-12-01 12:35:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3319 transitions. [2019-12-01 12:35:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 12:35:07,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:35:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:35:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 12:35:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:35:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 2901 states and 3395 transitions. [2019-12-01 12:35:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3395 transitions. [2019-12-01 12:35:14,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 12:35:14,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:35:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:35:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:35:19,385 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-12-01 12:35:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:35:23,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 2907 states and 3401 transitions. [2019-12-01 12:35:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3401 transitions. [2019-12-01 12:35:23,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 12:35:23,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:35:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:35:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:35:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:35:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 2912 states and 3406 transitions. [2019-12-01 12:35:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3406 transitions. [2019-12-01 12:35:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 12:35:24,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:35:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:35:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 12:35:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:35:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 2935 states and 3429 transitions. [2019-12-01 12:35:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 3429 transitions. [2019-12-01 12:35:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-12-01 12:35:30,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:35:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:35:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 12:35:35,579 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-12-01 12:35:39,338 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2019-12-01 12:35:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:35:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3010 states and 3513 transitions. [2019-12-01 12:35:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 3513 transitions. [2019-12-01 12:35:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-12-01 12:35:46,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:35:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:35:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-12-01 12:35:52,455 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-01 12:36:02,483 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-12-01 12:36:05,187 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2019-12-01 12:36:06,577 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-12-01 12:36:07,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3098 states and 3617 transitions. [2019-12-01 12:36:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3617 transitions. [2019-12-01 12:36:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-12-01 12:36:07,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:07,965 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-12-01 12:36:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3134 states and 3654 transitions. [2019-12-01 12:36:15,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3654 transitions. [2019-12-01 12:36:15,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-12-01 12:36:15,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-12-01 12:36:20,968 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-12-01 12:36:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3199 states and 3731 transitions. [2019-12-01 12:36:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3731 transitions. [2019-12-01 12:36:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 12:36:28,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 12:36:38,162 WARN L192 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 12:36:39,847 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-12-01 12:36:40,353 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-12-01 12:36:41,939 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-12-01 12:36:45,105 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-12-01 12:36:52,417 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-12-01 12:36:55,022 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 12:36:55,578 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-12-01 12:36:58,990 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-12-01 12:37:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3249 states and 3783 transitions. [2019-12-01 12:37:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 3783 transitions. [2019-12-01 12:37:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 12:37:02,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:37:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:37:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 12:37:03,647 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-12-01 12:37:04,400 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 12:37:05,258 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-12-01 12:37:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3257 states and 3791 transitions. [2019-12-01 12:37:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 3791 transitions. [2019-12-01 12:37:05,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 12:37:05,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:37:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:37:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 12:37:05,943 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 12:37:06,689 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 12:37:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3799 states to 3265 states and 3799 transitions. [2019-12-01 12:37:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 3799 transitions. [2019-12-01 12:37:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 12:37:07,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:37:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:37:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 12:37:08,633 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-12-01 12:37:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3801 states to 3268 states and 3801 transitions. [2019-12-01 12:37:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3268 states and 3801 transitions. [2019-12-01 12:37:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 12:37:09,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:37:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:37:13,179 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-12-01 12:37:15,303 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-12-01 12:37:18,233 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 12:37:20,627 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-12-01 12:37:23,005 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-12-01 12:37:24,069 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-12-01 12:37:25,168 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-12-01 12:37:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3300 states and 3838 transitions. [2019-12-01 12:37:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3838 transitions. [2019-12-01 12:37:29,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 12:37:29,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:37:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:37:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 12:37:30,647 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-12-01 12:37:32,141 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-12-01 12:37:33,911 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-12-01 12:37:34,273 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 12:37:37,979 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 12:37:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3319 states and 3855 transitions. [2019-12-01 12:37:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 3855 transitions. [2019-12-01 12:37:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-12-01 12:37:40,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:37:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:37:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 12:37:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3324 states and 3863 transitions. [2019-12-01 12:37:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 3863 transitions. [2019-12-01 12:37:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 12:37:42,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:37:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:37:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2019-12-01 12:37:46,823 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-12-01 12:37:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:48,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3393 states and 3934 transitions. [2019-12-01 12:37:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 3934 transitions. [2019-12-01 12:37:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 12:37:48,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:37:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:37:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2019-12-01 12:37:49,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:37:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3321 states and 3860 transitions. [2019-12-01 12:37:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 3860 transitions. [2019-12-01 12:37:49,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 12:37:49,592 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 157 iterations. [2019-12-01 12:37:49,599 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 12:37:49,810 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 41 [2019-12-01 12:37:50,030 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 42 [2019-12-01 12:37:50,404 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 39 [2019-12-01 12:37:50,628 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2019-12-01 12:37:50,863 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 12 [2019-12-01 12:37:51,299 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2019-12-01 12:37:51,496 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 12 [2019-12-01 12:37:51,710 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 12 [2019-12-01 12:37:52,082 WARN L192 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 39 [2019-12-01 12:37:52,382 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2019-12-01 12:37:52,691 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 42 [2019-12-01 12:37:52,935 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 12 [2019-12-01 12:37:53,046 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 12 [2019-12-01 12:37:53,287 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 12 [2019-12-01 12:37:53,539 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 12 [2019-12-01 12:37:53,641 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 12 [2019-12-01 12:37:54,010 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 42 [2019-12-01 12:37:54,421 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 12 [2019-12-01 12:37:54,647 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2019-12-01 12:37:54,908 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 12 [2019-12-01 12:37:55,317 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 42 [2019-12-01 12:37:55,421 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 12 [2019-12-01 12:37:55,633 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2019-12-01 12:37:55,838 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2019-12-01 12:37:56,042 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2019-12-01 12:37:56,182 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2019-12-01 12:37:56,413 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 42 [2019-12-01 12:37:56,735 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2019-12-01 12:37:56,969 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2019-12-01 12:37:57,278 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 42 [2019-12-01 12:37:57,670 WARN L192 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 42 [2019-12-01 12:37:57,967 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 12 [2019-12-01 12:37:58,233 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 42 [2019-12-01 12:37:58,575 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 42 [2019-12-01 12:37:59,020 WARN L192 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2019-12-01 12:37:59,364 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 42 [2019-12-01 12:37:59,567 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 42 [2019-12-01 12:37:59,671 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 12 [2019-12-01 12:37:59,982 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 42 [2019-12-01 12:38:00,158 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2019-12-01 12:38:00,476 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2019-12-01 12:38:00,594 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2019-12-01 12:38:00,832 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 42 [2019-12-01 12:38:01,134 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 41 [2019-12-01 12:38:01,554 WARN L192 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2019-12-01 12:38:02,173 WARN L192 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 76 [2019-12-01 12:38:02,511 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 42 [2019-12-01 12:38:02,722 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 42 [2019-12-01 12:38:02,975 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 12 [2019-12-01 12:38:03,291 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 12 [2019-12-01 12:38:03,621 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2019-12-01 12:38:03,960 WARN L192 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 42 [2019-12-01 12:38:04,217 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 12 [2019-12-01 12:38:04,217 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:38:04,221 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-12-01 12:38:04,226 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-12-01 12:38:04,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 12:38:04 ImpRootNode [2019-12-01 12:38:04,227 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 12:38:04,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 12:38:04,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 12:38:04,227 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 12:38:04,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:27:07" (3/4) ... [2019-12-01 12:38:04,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 12:38:04,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-01 12:38:04,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-12-01 12:38:04,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-01 12:38:04,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 12:38:04,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9f2107ab-b204-4ed6-93b5-3eab6e32b4a9/bin/ukojak/witness.graphml [2019-12-01 12:38:04,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 12:38:04,333 INFO L168 Benchmark]: Toolchain (without parser) took 658883.16 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 724.0 MB). Free memory was 932.6 MB in the beginning and 274.6 MB in the end (delta: 658.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-12-01 12:38:04,333 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 12:38:04,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-01 12:38:04,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 12:38:04,334 INFO L168 Benchmark]: Boogie Preprocessor took 41.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-01 12:38:04,334 INFO L168 Benchmark]: RCFGBuilder took 1147.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 861.2 MB in the end (delta: 212.8 MB). Peak memory consumption was 212.8 MB. Max. memory is 11.5 GB. [2019-12-01 12:38:04,335 INFO L168 Benchmark]: CodeCheck took 657163.11 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 607.1 MB). Free memory was 861.2 MB in the beginning and 314.4 MB in the end (delta: 546.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-12-01 12:38:04,335 INFO L168 Benchmark]: Witness Printer took 105.66 ms. Allocated memory is still 1.8 GB. Free memory was 314.4 MB in the beginning and 274.6 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-12-01 12:38:04,336 INFO L335 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. Result: SAFE, OverallTime: 642.5s, OverallIterations: 157, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -2110493608 SDtfs, -1616259610 SDslu, 186284432 SDs, 0 SdLazy, 852874286 SolverSat, -1826179816 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1100.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205223 GetRequests, 195439 SyntacticMatches, 7614 SemanticMatches, 2170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3704831 ImplicationChecksByTransitivity, 593.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 74.4s InterpolantComputationTime, 30994 NumberOfCodeBlocks, 30994 NumberOfCodeBlocksAsserted, 156 NumberOfCheckSat, 30838 ConstructedInterpolants, 0 QuantifiedInterpolants, 56892757 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 156 InterpolantComputations, 119 PerfectInterpolantSequences, 38586/40729 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: 554]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (1 == a7 || !(a16 == 6)) || !(14 == a8) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (1 == a7 || !(a16 == 6)) || !(14 == a8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1147.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 861.2 MB in the end (delta: 212.8 MB). Peak memory consumption was 212.8 MB. Max. memory is 11.5 GB. * CodeCheck took 657163.11 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 607.1 MB). Free memory was 861.2 MB in the beginning and 314.4 MB in the end (delta: 546.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 105.66 ms. Allocated memory is still 1.8 GB. Free memory was 314.4 MB in the beginning and 274.6 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...