./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.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_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/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 785a7f7444547118219ac2dc565afc7f15fbca51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:35:33,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 13:35:33,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 13:35:33,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 13:35:33,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 13:35:33,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 13:35:33,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 13:35:33,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 13:35:33,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 13:35:33,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 13:35:33,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 13:35:33,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 13:35:33,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 13:35:33,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 13:35:33,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 13:35:33,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 13:35:33,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 13:35:33,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 13:35:33,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 13:35:33,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 13:35:33,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 13:35:33,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 13:35:33,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 13:35:33,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 13:35:33,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 13:35:33,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 13:35:33,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 13:35:33,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 13:35:33,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 13:35:33,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 13:35:33,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 13:35:33,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 13:35:33,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 13:35:33,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 13:35:33,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 13:35:33,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 13:35:33,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 13:35:33,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 13:35:33,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 13:35:33,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 13:35:33,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 13:35:33,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 13:35:33,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 13:35:33,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 13:35:33,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 13:35:33,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 13:35:33,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 13:35:33,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 13:35:33,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 13:35:33,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 13:35:33,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 13:35:33,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 13:35:33,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 13:35:33,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 13:35:33,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 13:35:33,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 13:35:33,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 13:35:33,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 13:35:33,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 13:35:33,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 13:35:33,511 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 13:35:33,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 13:35:33,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 13:35:33,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 13:35:33,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 13:35:33,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 13:35:33,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 13:35:33,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 13:35:33,512 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 13:35:33,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 13:35:33,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 13:35:33,512 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_e3920d0b-de3c-4828-b40b-a6d4599425c0/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 -> 785a7f7444547118219ac2dc565afc7f15fbca51 [2019-12-01 13:35:33,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 13:35:33,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 13:35:33,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 13:35:33,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 13:35:33,625 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 13:35:33,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2019-12-01 13:35:33,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/data/8a94a93f1/12643b55304e432087d2f601227ac325/FLAG750098135 [2019-12-01 13:35:34,103 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 13:35:34,104 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2019-12-01 13:35:34,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/data/8a94a93f1/12643b55304e432087d2f601227ac325/FLAG750098135 [2019-12-01 13:35:34,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/data/8a94a93f1/12643b55304e432087d2f601227ac325 [2019-12-01 13:35:34,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 13:35:34,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 13:35:34,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 13:35:34,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 13:35:34,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 13:35:34,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaa2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34, skipping insertion in model container [2019-12-01 13:35:34,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 13:35:34,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 13:35:34,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:35:34,417 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 13:35:34,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:35:34,495 INFO L208 MainTranslator]: Completed translation [2019-12-01 13:35:34,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34 WrapperNode [2019-12-01 13:35:34,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 13:35:34,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 13:35:34,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 13:35:34,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 13:35:34,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 13:35:34,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 13:35:34,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 13:35:34,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 13:35:34,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... [2019-12-01 13:35:34,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 13:35:34,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 13:35:34,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 13:35:34,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 13:35:34,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:35:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/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 13:35:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 13:35:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 13:35:35,678 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 13:35:35,678 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 13:35:35,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:35:35 BoogieIcfgContainer [2019-12-01 13:35:35,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 13:35:35,679 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 13:35:35,679 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 13:35:35,687 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 13:35:35,687 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:35:35" (1/1) ... [2019-12-01 13:35:35,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 13:35:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:35,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 13:35:35,723 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 13:35:35,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 13:35:35,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:35,997 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 13:35:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2019-12-01 13:35:36,316 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2019-12-01 13:35:36,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 13:35:36,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:36,402 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 13:35:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2019-12-01 13:35:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2019-12-01 13:35:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 13:35:36,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:36,544 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 13:35:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2019-12-01 13:35:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2019-12-01 13:35:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 13:35:36,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:36,698 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 13:35:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2019-12-01 13:35:37,098 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2019-12-01 13:35:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-01 13:35:37,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:35:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:37,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 231 states and 333 transitions. [2019-12-01 13:35:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 333 transitions. [2019-12-01 13:35:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 13:35:37,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 13:35:38,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 242 states and 349 transitions. [2019-12-01 13:35:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 349 transitions. [2019-12-01 13:35:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 13:35:38,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 13:35:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 247 states and 354 transitions. [2019-12-01 13:35:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 354 transitions. [2019-12-01 13:35:38,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-12-01 13:35:38,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 13:35:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 258 states and 367 transitions. [2019-12-01 13:35:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 367 transitions. [2019-12-01 13:35:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 13:35:38,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:38,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 264 states and 374 transitions. [2019-12-01 13:35:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 374 transitions. [2019-12-01 13:35:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 13:35:38,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 266 states and 376 transitions. [2019-12-01 13:35:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 376 transitions. [2019-12-01 13:35:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 13:35:39,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 13:35:39,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 274 states and 385 transitions. [2019-12-01 13:35:39,182 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 385 transitions. [2019-12-01 13:35:39,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 13:35:39,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:39,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 279 states and 392 transitions. [2019-12-01 13:35:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 392 transitions. [2019-12-01 13:35:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 13:35:39,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 13:35:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 292 states and 411 transitions. [2019-12-01 13:35:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 411 transitions. [2019-12-01 13:35:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 13:35:40,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 13:35:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 297 states and 416 transitions. [2019-12-01 13:35:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 416 transitions. [2019-12-01 13:35:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 13:35:40,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:35:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 316 states and 439 transitions. [2019-12-01 13:35:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 439 transitions. [2019-12-01 13:35:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 13:35:41,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 13:35:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 333 states and 459 transitions. [2019-12-01 13:35:41,405 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 459 transitions. [2019-12-01 13:35:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 13:35:41,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 13:35:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 335 states and 460 transitions. [2019-12-01 13:35:41,545 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 460 transitions. [2019-12-01 13:35:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 13:35:41,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:35:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 350 states and 477 transitions. [2019-12-01 13:35:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 477 transitions. [2019-12-01 13:35:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 13:35:41,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:42,015 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 366 states and 493 transitions. [2019-12-01 13:35:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 493 transitions. [2019-12-01 13:35:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 13:35:42,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 13:35:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 374 states and 504 transitions. [2019-12-01 13:35:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 504 transitions. [2019-12-01 13:35:43,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 13:35:43,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 13:35:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 375 states and 506 transitions. [2019-12-01 13:35:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 506 transitions. [2019-12-01 13:35:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-01 13:35:43,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 389 states and 522 transitions. [2019-12-01 13:35:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 522 transitions. [2019-12-01 13:35:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-01 13:35:44,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 393 states and 526 transitions. [2019-12-01 13:35:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 526 transitions. [2019-12-01 13:35:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-01 13:35:44,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 402 states and 541 transitions. [2019-12-01 13:35:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 541 transitions. [2019-12-01 13:35:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-01 13:35:46,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 404 states and 543 transitions. [2019-12-01 13:35:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 543 transitions. [2019-12-01 13:35:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 13:35:46,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 13:35:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:46,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 407 states and 547 transitions. [2019-12-01 13:35:46,744 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 547 transitions. [2019-12-01 13:35:46,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 13:35:46,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:46,820 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 421 states and 563 transitions. [2019-12-01 13:35:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 563 transitions. [2019-12-01 13:35:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 13:35:47,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 13:35:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 432 states and 574 transitions. [2019-12-01 13:35:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 574 transitions. [2019-12-01 13:35:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 13:35:47,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:47,302 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 13:35:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 438 states and 587 transitions. [2019-12-01 13:35:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 587 transitions. [2019-12-01 13:35:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 13:35:47,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:35:49,858 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-01 13:35:50,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 483 states and 637 transitions. [2019-12-01 13:35:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 637 transitions. [2019-12-01 13:35:50,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 13:35:50,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 13:35:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 524 states and 685 transitions. [2019-12-01 13:35:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 685 transitions. [2019-12-01 13:35:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 13:35:55,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 13:35:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:35:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 529 states and 690 transitions. [2019-12-01 13:35:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 690 transitions. [2019-12-01 13:35:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 13:35:55,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:35:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:35:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:36:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 578 states and 747 transitions. [2019-12-01 13:36:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 747 transitions. [2019-12-01 13:36:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 13:36:01,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:36:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 613 states and 782 transitions. [2019-12-01 13:36:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 782 transitions. [2019-12-01 13:36:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 13:36:02,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:36:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 617 states and 785 transitions. [2019-12-01 13:36:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 785 transitions. [2019-12-01 13:36:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 13:36:03,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:36:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 622 states and 793 transitions. [2019-12-01 13:36:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 793 transitions. [2019-12-01 13:36:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-01 13:36:03,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 13:36:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:03,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 629 states and 800 transitions. [2019-12-01 13:36:03,386 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 800 transitions. [2019-12-01 13:36:03,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 13:36:03,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 13:36:04,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 678 states and 853 transitions. [2019-12-01 13:36:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 853 transitions. [2019-12-01 13:36:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 13:36:04,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 692 states and 873 transitions. [2019-12-01 13:36:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 873 transitions. [2019-12-01 13:36:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 13:36:06,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 694 states and 875 transitions. [2019-12-01 13:36:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 875 transitions. [2019-12-01 13:36:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-01 13:36:06,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:09,129 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-01 13:36:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 719 states and 902 transitions. [2019-12-01 13:36:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 902 transitions. [2019-12-01 13:36:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 13:36:10,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:11,856 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 13:36:15,522 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2019-12-01 13:36:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 774 states and 961 transitions. [2019-12-01 13:36:16,545 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 961 transitions. [2019-12-01 13:36:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 13:36:16,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:17,988 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2019-12-01 13:36:20,241 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-12-01 13:36:20,785 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-12-01 13:36:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:23,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 811 states and 1011 transitions. [2019-12-01 13:36:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1011 transitions. [2019-12-01 13:36:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 13:36:23,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 843 states and 1041 transitions. [2019-12-01 13:36:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1041 transitions. [2019-12-01 13:36:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 13:36:23,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 13:36:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 854 states and 1056 transitions. [2019-12-01 13:36:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1056 transitions. [2019-12-01 13:36:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 13:36:25,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:25,585 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 13:36:25,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:25,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 858 states and 1059 transitions. [2019-12-01 13:36:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1059 transitions. [2019-12-01 13:36:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-01 13:36:25,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:26,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 878 states and 1081 transitions. [2019-12-01 13:36:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1081 transitions. [2019-12-01 13:36:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 13:36:26,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 13:36:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 886 states and 1092 transitions. [2019-12-01 13:36:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1092 transitions. [2019-12-01 13:36:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 13:36:27,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 13:36:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:28,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 888 states and 1093 transitions. [2019-12-01 13:36:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1093 transitions. [2019-12-01 13:36:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 13:36:28,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:28,382 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 13:36:29,214 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2019-12-01 13:36:30,711 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2019-12-01 13:36:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 957 states and 1163 transitions. [2019-12-01 13:36:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1163 transitions. [2019-12-01 13:36:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 13:36:31,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 13:36:33,358 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-12-01 13:36:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 977 states and 1187 transitions. [2019-12-01 13:36:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1187 transitions. [2019-12-01 13:36:34,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 13:36:34,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 13:36:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 979 states and 1190 transitions. [2019-12-01 13:36:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1190 transitions. [2019-12-01 13:36:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-01 13:36:35,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 13:36:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 981 states and 1192 transitions. [2019-12-01 13:36:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1192 transitions. [2019-12-01 13:36:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 13:36:35,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 13:36:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 985 states and 1194 transitions. [2019-12-01 13:36:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1194 transitions. [2019-12-01 13:36:36,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 13:36:36,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 13:36:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 988 states and 1198 transitions. [2019-12-01 13:36:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1198 transitions. [2019-12-01 13:36:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 13:36:36,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:40,378 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-12-01 13:36:47,643 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2019-12-01 13:36:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1034 states and 1255 transitions. [2019-12-01 13:36:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1255 transitions. [2019-12-01 13:36:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 13:36:48,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1036 states and 1256 transitions. [2019-12-01 13:36:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1256 transitions. [2019-12-01 13:36:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 13:36:48,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:36:52,218 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2019-12-01 13:36:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1072 states and 1301 transitions. [2019-12-01 13:36:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1301 transitions. [2019-12-01 13:36:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 13:36:58,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:36:59,462 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 13:37:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1088 states and 1319 transitions. [2019-12-01 13:37:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1319 transitions. [2019-12-01 13:37:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 13:37:04,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:04,670 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:37:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1102 states and 1333 transitions. [2019-12-01 13:37:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1333 transitions. [2019-12-01 13:37:06,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-12-01 13:37:06,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 13:37:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1110 states and 1342 transitions. [2019-12-01 13:37:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1342 transitions. [2019-12-01 13:37:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 13:37:06,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-01 13:37:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1120 states and 1352 transitions. [2019-12-01 13:37:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1352 transitions. [2019-12-01 13:37:07,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 13:37:07,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-01 13:37:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:07,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1122 states and 1354 transitions. [2019-12-01 13:37:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1354 transitions. [2019-12-01 13:37:07,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 13:37:07,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 13:37:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1154 states and 1387 transitions. [2019-12-01 13:37:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1387 transitions. [2019-12-01 13:37:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 13:37:11,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 13:37:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:11,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1156 states and 1388 transitions. [2019-12-01 13:37:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1388 transitions. [2019-12-01 13:37:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 13:37:11,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:37:13,259 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-12-01 13:37:20,906 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 13:37:21,490 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 19 [2019-12-01 13:37:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1212 states and 1451 transitions. [2019-12-01 13:37:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1451 transitions. [2019-12-01 13:37:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 13:37:26,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:37:27,802 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2019-12-01 13:37:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1214 states and 1452 transitions. [2019-12-01 13:37:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1452 transitions. [2019-12-01 13:37:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-12-01 13:37:28,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 13:37:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1225 states and 1466 transitions. [2019-12-01 13:37:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1466 transitions. [2019-12-01 13:37:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 13:37:29,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:37:33,127 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2019-12-01 13:37:36,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1258 states and 1503 transitions. [2019-12-01 13:37:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1503 transitions. [2019-12-01 13:37:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 13:37:36,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 13:37:36,798 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-12-01 13:37:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1261 states and 1504 transitions. [2019-12-01 13:37:39,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1504 transitions. [2019-12-01 13:37:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-12-01 13:37:39,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 13:37:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:42,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1277 states and 1523 transitions. [2019-12-01 13:37:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1523 transitions. [2019-12-01 13:37:42,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 13:37:42,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:37:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1330 states and 1585 transitions. [2019-12-01 13:37:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1585 transitions. [2019-12-01 13:37:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 13:37:48,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:37:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:37:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1300 states and 1553 transitions. [2019-12-01 13:37:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1553 transitions. [2019-12-01 13:37:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 13:37:49,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:37:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:37:50,775 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-12-01 13:37:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 13:37:54,013 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 13:37:55,883 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 13:37:57,958 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-12-01 13:37:59,697 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-12-01 13:38:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:04,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1346 states and 1602 transitions. [2019-12-01 13:38:04,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1602 transitions. [2019-12-01 13:38:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 13:38:04,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:04,760 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 13:38:04,996 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-12-01 13:38:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1348 states and 1603 transitions. [2019-12-01 13:38:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1603 transitions. [2019-12-01 13:38:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-12-01 13:38:05,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-12-01 13:38:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1418 states and 1680 transitions. [2019-12-01 13:38:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1680 transitions. [2019-12-01 13:38:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 13:38:07,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 13:38:10,054 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-12-01 13:38:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1422 states and 1686 transitions. [2019-12-01 13:38:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1686 transitions. [2019-12-01 13:38:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 13:38:11,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:12,136 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-12-01 13:38:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1489 states and 1756 transitions. [2019-12-01 13:38:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1756 transitions. [2019-12-01 13:38:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-12-01 13:38:18,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-12-01 13:38:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1558 states and 1829 transitions. [2019-12-01 13:38:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1829 transitions. [2019-12-01 13:38:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-01 13:38:20,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 13:38:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1561 states and 1833 transitions. [2019-12-01 13:38:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1833 transitions. [2019-12-01 13:38:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-12-01 13:38:22,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 13:38:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1637 states and 1915 transitions. [2019-12-01 13:38:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 1915 transitions. [2019-12-01 13:38:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-12-01 13:38:31,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 13:38:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1638 states and 1916 transitions. [2019-12-01 13:38:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1916 transitions. [2019-12-01 13:38:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 13:38:31,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-12-01 13:38:50,614 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2019-12-01 13:38:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:38:57,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1738 states and 2038 transitions. [2019-12-01 13:38:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2038 transitions. [2019-12-01 13:38:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 13:38:57,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:38:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:38:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-12-01 13:39:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 1749 states and 2049 transitions. [2019-12-01 13:39:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2049 transitions. [2019-12-01 13:39:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 13:39:01,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:01,965 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 13:39:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:04,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 1763 states and 2070 transitions. [2019-12-01 13:39:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2070 transitions. [2019-12-01 13:39:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 13:39:04,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:04,809 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 13:39:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1784 states and 2091 transitions. [2019-12-01 13:39:08,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2091 transitions. [2019-12-01 13:39:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 13:39:08,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:08,328 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 13:39:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:08,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1789 states and 2095 transitions. [2019-12-01 13:39:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2095 transitions. [2019-12-01 13:39:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 13:39:08,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:09,151 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 13:39:09,598 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-12-01 13:39:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1805 states and 2110 transitions. [2019-12-01 13:39:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2110 transitions. [2019-12-01 13:39:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-12-01 13:39:13,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:15,260 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-12-01 13:39:16,450 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2019-12-01 13:39:17,616 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-12-01 13:39:19,169 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 13:39:20,432 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-12-01 13:39:21,084 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-12-01 13:39:24,494 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 13:39:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1830 states and 2137 transitions. [2019-12-01 13:39:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2137 transitions. [2019-12-01 13:39:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-12-01 13:39:28,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:29,150 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 13:39:29,465 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2019-12-01 13:39:31,440 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 13:39:32,782 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 13:39:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1849 states and 2155 transitions. [2019-12-01 13:39:34,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2155 transitions. [2019-12-01 13:39:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 13:39:34,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:35,960 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-12-01 13:39:37,242 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 13:39:38,427 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 13:39:39,833 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 13:39:47,619 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-12-01 13:39:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1868 states and 2179 transitions. [2019-12-01 13:39:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2179 transitions. [2019-12-01 13:39:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 13:39:48,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:49,314 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 13:39:55,589 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-12-01 13:39:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1905 states and 2214 transitions. [2019-12-01 13:39:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2214 transitions. [2019-12-01 13:39:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 13:39:57,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:57,556 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 13:39:58,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:39:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1907 states and 2215 transitions. [2019-12-01 13:39:58,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2215 transitions. [2019-12-01 13:39:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 13:39:58,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:39:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:39:58,547 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 13:40:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 1923 states and 2230 transitions. [2019-12-01 13:40:01,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2230 transitions. [2019-12-01 13:40:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-01 13:40:01,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:04,579 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 13:40:06,399 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 23 [2019-12-01 13:40:10,707 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 13:40:11,061 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-01 13:40:12,351 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 13:40:13,058 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 13:40:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1943 states and 2252 transitions. [2019-12-01 13:40:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2252 transitions. [2019-12-01 13:40:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-01 13:40:17,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:18,116 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 13:40:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1979 states and 2289 transitions. [2019-12-01 13:40:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2289 transitions. [2019-12-01 13:40:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-01 13:40:26,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:26,932 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 13:40:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 1999 states and 2308 transitions. [2019-12-01 13:40:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2308 transitions. [2019-12-01 13:40:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-01 13:40:32,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:33,183 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 13:40:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2002 states and 2310 transitions. [2019-12-01 13:40:33,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2310 transitions. [2019-12-01 13:40:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 13:40:33,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:34,199 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 13:40:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2004 states and 2312 transitions. [2019-12-01 13:40:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2312 transitions. [2019-12-01 13:40:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-12-01 13:40:34,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 13:40:36,936 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 13:40:37,433 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2019-12-01 13:40:38,011 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-12-01 13:40:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2028 states and 2343 transitions. [2019-12-01 13:40:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2343 transitions. [2019-12-01 13:40:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-12-01 13:40:41,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 13:40:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2093 states and 2408 transitions. [2019-12-01 13:40:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2408 transitions. [2019-12-01 13:40:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 13:40:42,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:44,505 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 13:40:46,851 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-12-01 13:40:47,725 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-12-01 13:40:48,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2097 states and 2414 transitions. [2019-12-01 13:40:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2414 transitions. [2019-12-01 13:40:48,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 13:40:48,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:49,419 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 13:40:50,106 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-12-01 13:40:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:40:52,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2102 states and 2419 transitions. [2019-12-01 13:40:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2419 transitions. [2019-12-01 13:40:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-12-01 13:40:52,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:40:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:40:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-01 13:40:54,786 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-12-01 13:41:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:41:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2121 states and 2444 transitions. [2019-12-01 13:41:00,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2444 transitions. [2019-12-01 13:41:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-12-01 13:41:00,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:41:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:41:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-12-01 13:41:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:41:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2199 states and 2536 transitions. [2019-12-01 13:41:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2536 transitions. [2019-12-01 13:41:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-12-01 13:41:06,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:41:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:41:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-12-01 13:41:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:41:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2264 states and 2601 transitions. [2019-12-01 13:41:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2601 transitions. [2019-12-01 13:41:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 13:41:07,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:41:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:41:10,011 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2019-12-01 13:41:10,274 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 13:41:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:41:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2294 states and 2634 transitions. [2019-12-01 13:41:17,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2634 transitions. [2019-12-01 13:41:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 13:41:17,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:41:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:41:17,416 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 13:41:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:41:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2338 states and 2677 transitions. [2019-12-01 13:41:19,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2677 transitions. [2019-12-01 13:41:19,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 13:41:19,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:41:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:41:23,869 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 13:41:26,801 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 13:41:27,897 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-12-01 13:41:30,404 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 13:41:33,193 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-12-01 13:41:41,848 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 13:41:44,729 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 13:41:46,745 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-12-01 13:41:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:41:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2405 states and 2750 transitions. [2019-12-01 13:41:49,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2750 transitions. [2019-12-01 13:41:49,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 13:41:49,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:41:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:41:49,923 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 13:41:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:41:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2409 states and 2756 transitions. [2019-12-01 13:41:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 2756 transitions. [2019-12-01 13:41:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-12-01 13:41:51,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:41:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:41:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2019-12-01 13:41:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:41:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2415 states and 2764 transitions. [2019-12-01 13:41:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 2764 transitions. [2019-12-01 13:41:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-12-01 13:41:54,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:41:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:41:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2019-12-01 13:41:57,951 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-01 13:42:00,213 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-12-01 13:42:01,418 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-01 13:42:02,034 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-12-01 13:42:05,210 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-12-01 13:42:07,451 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-12-01 13:42:09,820 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-12-01 13:42:14,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:42:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2478 states and 2828 transitions. [2019-12-01 13:42:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 2828 transitions. [2019-12-01 13:42:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 13:42:14,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:42:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:42:15,697 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 13:42:16,718 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2019-12-01 13:42:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:42:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2547 states and 2899 transitions. [2019-12-01 13:42:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 2899 transitions. [2019-12-01 13:42:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 13:42:19,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:42:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:42:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 15 proven. 500 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2019-12-01 13:42:22,517 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-12-01 13:42:26,348 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2019-12-01 13:42:30,545 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2019-12-01 13:42:36,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:42:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2612 states and 2971 transitions. [2019-12-01 13:42:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 2971 transitions. [2019-12-01 13:42:36,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-12-01 13:42:36,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:42:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:42:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-12-01 13:42:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:42:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2681 states and 3042 transitions. [2019-12-01 13:42:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3042 transitions. [2019-12-01 13:42:39,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-01 13:42:39,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:42:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:42:42,444 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 13:42:45,240 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-12-01 13:42:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 13:42:55,181 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 13:42:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:42:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2715 states and 3080 transitions. [2019-12-01 13:42:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3080 transitions. [2019-12-01 13:42:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-12-01 13:42:58,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:42:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:42:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 13:43:01,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:43:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 2742 states and 3105 transitions. [2019-12-01 13:43:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3105 transitions. [2019-12-01 13:43:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-12-01 13:43:01,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:43:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:43:03,056 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2019-12-01 13:43:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-12-01 13:43:08,078 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-01 13:43:13,533 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-01 13:43:20,691 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 13:43:24,103 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-01 13:43:29,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:43:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 2819 states and 3201 transitions. [2019-12-01 13:43:29,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3201 transitions. [2019-12-01 13:43:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-12-01 13:43:29,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:43:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:43:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-12-01 13:43:31,211 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2019-12-01 13:43:33,147 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-12-01 13:43:35,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:43:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 2860 states and 3239 transitions. [2019-12-01 13:43:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3239 transitions. [2019-12-01 13:43:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-12-01 13:43:35,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:43:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:43:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-12-01 13:43:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:43:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 2864 states and 3245 transitions. [2019-12-01 13:43:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 3245 transitions. [2019-12-01 13:43:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-12-01 13:43:37,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:43:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:43:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-12-01 13:43:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:43:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 2885 states and 3268 transitions. [2019-12-01 13:43:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 3268 transitions. [2019-12-01 13:43:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-12-01 13:43:38,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:43:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:43:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-12-01 13:43:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:43:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 2929 states and 3311 transitions. [2019-12-01 13:43:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 3311 transitions. [2019-12-01 13:43:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-12-01 13:43:41,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:43:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:43:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 13:43:49,474 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2019-12-01 13:43:51,874 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-12-01 13:43:53,993 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 13:43:56,577 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 13:43:59,243 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 13:44:02,018 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 13:44:02,579 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-12-01 13:44:03,947 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-12-01 13:44:06,925 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-01 13:44:10,113 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 13:44:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:44:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 2977 states and 3361 transitions. [2019-12-01 13:44:12,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 3361 transitions. [2019-12-01 13:44:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 13:44:12,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:44:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:44:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 13:44:18,165 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-12-01 13:44:19,139 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-12-01 13:44:21,267 WARN L192 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-12-01 13:44:24,826 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 13:44:26,635 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 13:44:27,480 WARN L192 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 13:44:28,926 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-12-01 13:44:29,911 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-12-01 13:44:31,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:44:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3011 states and 3398 transitions. [2019-12-01 13:44:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 3398 transitions. [2019-12-01 13:44:31,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 13:44:31,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:44:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:44:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 13:44:33,011 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-12-01 13:44:34,746 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-12-01 13:44:36,345 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-12-01 13:44:36,833 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-12-01 13:44:38,157 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 13:44:39,211 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 13:44:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:44:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 3046 states and 3431 transitions. [2019-12-01 13:44:41,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3431 transitions. [2019-12-01 13:44:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 13:44:41,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:44:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:44:42,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 372 proven. 369 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2019-12-01 13:44:44,298 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-12-01 13:44:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:44:47,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3050 states and 3436 transitions. [2019-12-01 13:44:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 3436 transitions. [2019-12-01 13:44:47,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-12-01 13:44:47,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:44:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:44:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2019-12-01 13:44:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:44:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 3051 states and 3437 transitions. [2019-12-01 13:44:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3437 transitions. [2019-12-01 13:44:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-12-01 13:44:48,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:44:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:44:48,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2019-12-01 13:44:50,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:44:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 2912 states and 3286 transitions. [2019-12-01 13:44:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3286 transitions. [2019-12-01 13:44:50,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 13:44:50,097 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 129 iterations. [2019-12-01 13:44:50,103 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 13:44:50,399 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 51 [2019-12-01 13:44:50,676 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2019-12-01 13:44:50,994 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 47 [2019-12-01 13:44:51,287 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 51 [2019-12-01 13:44:51,639 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 48 [2019-12-01 13:44:51,762 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2019-12-01 13:44:52,227 WARN L192 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 46 [2019-12-01 13:44:52,527 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2019-12-01 13:44:52,771 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 35 [2019-12-01 13:44:53,142 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 48 [2019-12-01 13:44:53,505 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 23 [2019-12-01 13:44:53,829 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 50 [2019-12-01 13:44:54,058 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 35 [2019-12-01 13:44:54,171 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 27 [2019-12-01 13:44:54,405 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 35 [2019-12-01 13:44:54,634 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 35 [2019-12-01 13:44:54,781 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 27 [2019-12-01 13:44:55,180 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 50 [2019-12-01 13:44:55,724 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 47 [2019-12-01 13:44:56,032 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 49 [2019-12-01 13:44:56,346 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 46 [2019-12-01 13:44:56,720 WARN L192 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2019-12-01 13:44:56,835 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 27 [2019-12-01 13:44:57,118 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 51 [2019-12-01 13:44:57,392 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 49 [2019-12-01 13:44:57,667 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 49 [2019-12-01 13:44:57,804 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 27 [2019-12-01 13:44:58,105 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 49 [2019-12-01 13:44:58,208 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 27 [2019-12-01 13:44:58,533 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 49 [2019-12-01 13:44:58,808 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 49 [2019-12-01 13:44:59,169 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 42 [2019-12-01 13:44:59,573 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2019-12-01 13:44:59,693 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2019-12-01 13:44:59,918 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 35 [2019-12-01 13:45:00,263 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 40 [2019-12-01 13:45:00,631 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2019-12-01 13:45:01,030 WARN L192 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2019-12-01 13:45:01,414 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2019-12-01 13:45:01,580 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 27 [2019-12-01 13:45:01,686 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 27 [2019-12-01 13:45:02,031 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 50 [2019-12-01 13:45:02,226 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 23 [2019-12-01 13:45:02,331 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 27 [2019-12-01 13:45:02,649 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 51 [2019-12-01 13:45:02,801 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 27 [2019-12-01 13:45:03,141 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 50 [2019-12-01 13:45:03,514 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 51 [2019-12-01 13:45:03,808 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 47 [2019-12-01 13:45:04,240 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 66 [2019-12-01 13:45:04,737 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2019-12-01 13:45:05,018 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 51 [2019-12-01 13:45:05,350 WARN L192 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 47 [2019-12-01 13:45:05,461 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2019-12-01 13:45:05,802 WARN L192 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 46 [2019-12-01 13:45:06,151 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 46 [2019-12-01 13:45:06,561 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 50 [2019-12-01 13:45:06,863 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 35 [2019-12-01 13:45:06,891 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 13:45:06,894 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2019-12-01 13:45:06,901 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2019-12-01 13:45:06,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:45:06 ImpRootNode [2019-12-01 13:45:06,903 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 13:45:06,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 13:45:06,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 13:45:06,903 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 13:45:06,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:35:35" (3/4) ... [2019-12-01 13:45:06,907 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 13:45:06,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-01 13:45:06,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 13:45:06,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-01 13:45:06,930 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 13:45:07,017 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e3920d0b-de3c-4828-b40b-a6d4599425c0/bin/ukojak/witness.graphml [2019-12-01 13:45:07,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 13:45:07,018 INFO L168 Benchmark]: Toolchain (without parser) took 572894.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 491.3 MB). Free memory was 932.7 MB in the beginning and 1.0 GB in the end (delta: -86.9 MB). Peak memory consumption was 404.3 MB. Max. memory is 11.5 GB. [2019-12-01 13:45:07,018 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:45:07,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-01 13:45:07,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.70 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 13:45:07,019 INFO L168 Benchmark]: Boogie Preprocessor took 41.00 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 13:45:07,019 INFO L168 Benchmark]: RCFGBuilder took 1088.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 842.0 MB in the end (delta: 208.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. [2019-12-01 13:45:07,019 INFO L168 Benchmark]: CodeCheck took 571223.19 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 397.4 MB). Free memory was 842.0 MB in the beginning and 1.1 GB in the end (delta: -209.4 MB). Peak memory consumption was 910.4 MB. Max. memory is 11.5 GB. [2019-12-01 13:45:07,019 INFO L168 Benchmark]: Witness Printer took 114.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-12-01 13:45:07,021 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: 554.3s, OverallIterations: 129, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1356518612 SDtfs, 1581543414 SDslu, 13678034 SDs, 0 SdLazy, 399066156 SolverSat, 522352404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 965.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175967 GetRequests, 168257 SyntacticMatches, 5916 SemanticMatches, 1794 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2506051 ImplicationChecksByTransitivity, 509.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 65.5s InterpolantComputationTime, 26577 NumberOfCodeBlocks, 26577 NumberOfCodeBlocksAsserted, 128 NumberOfCheckSat, 26449 ConstructedInterpolants, 0 QuantifiedInterpolants, 47959196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 128 InterpolantComputations, 96 PerfectInterpolantSequences, 36147/38001 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: 500]: 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: (!(a16 == 5) || ((((1 == a7 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1)) || !(13 == a8) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a16 == 5) || ((((1 == a7 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1)) || !(13 == 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 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.70 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 41.00 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. * RCFGBuilder took 1088.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 842.0 MB in the end (delta: 208.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. * CodeCheck took 571223.19 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 397.4 MB). Free memory was 842.0 MB in the beginning and 1.1 GB in the end (delta: -209.4 MB). Peak memory consumption was 910.4 MB. Max. memory is 11.5 GB. * Witness Printer took 114.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...