./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label54.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/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 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:26:33,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:26:33,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:26:33,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:26:33,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:26:33,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:26:33,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:26:33,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:26:33,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:26:33,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:26:33,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:26:33,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:26:33,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:26:33,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:26:33,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:26:33,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:26:33,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:26:33,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:26:33,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:26:33,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:26:33,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:26:33,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:26:33,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:26:33,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:26:33,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:26:33,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:26:33,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:26:33,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:26:33,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:26:33,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:26:33,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:26:33,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:26:33,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:26:33,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:26:33,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:26:33,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:26:33,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:26:33,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:26:33,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:26:33,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:26:33,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:26:33,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 08:26:33,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:26:33,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:26:33,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:26:33,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:26:33,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:26:33,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:26:33,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:26:33,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:26:33,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:26:33,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:26:33,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:26:33,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:26:33,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:26:33,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:26:33,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:26:33,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:26:33,544 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:26:33,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:26:33,545 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:26:33,545 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:26:33,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:26:33,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:26:33,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:26:33,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:26:33,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:26:33,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:26:33,547 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:26:33,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:26:33,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:26:33,547 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_0e02a743-5248-4a28-828e-6f499d2cf0bd/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 -> 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 [2019-11-20 08:26:33,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:26:33,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:26:33,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:26:33,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:26:33,760 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:26:33,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label54.c [2019-11-20 08:26:33,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/data/fd82d54b4/a2029ee5a2f24cfebc79a406e7cb67da/FLAG56173e2db [2019-11-20 08:26:34,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:26:34,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/sv-benchmarks/c/eca-rers2012/Problem01_label54.c [2019-11-20 08:26:34,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/data/fd82d54b4/a2029ee5a2f24cfebc79a406e7cb67da/FLAG56173e2db [2019-11-20 08:26:34,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/data/fd82d54b4/a2029ee5a2f24cfebc79a406e7cb67da [2019-11-20 08:26:34,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:26:34,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:26:34,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:26:34,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:26:34,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:26:34,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:26:34" (1/1) ... [2019-11-20 08:26:34,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e97b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:34, skipping insertion in model container [2019-11-20 08:26:34,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:26:34" (1/1) ... [2019-11-20 08:26:34,621 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:26:34,673 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:26:35,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:26:35,147 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:26:35,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:26:35,356 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:26:35,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35 WrapperNode [2019-11-20 08:26:35,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:26:35,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:26:35,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:26:35,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:26:35,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:26:35,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:26:35,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:26:35,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:26:35,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... [2019-11-20 08:26:35,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:26:35,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:26:35,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:26:35,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:26:35,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:26:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/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 [2019-11-20 08:26:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:26:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:26:38,328 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:26:38,332 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 08:26:38,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:26:38 BoogieIcfgContainer [2019-11-20 08:26:38,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:26:38,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 08:26:38,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 08:26:38,347 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 08:26:38,349 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:26:38" (1/1) ... [2019-11-20 08:26:38,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:26:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-11-20 08:26:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-11-20 08:26:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 08:26:38,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:38,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:26:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2019-11-20 08:26:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2019-11-20 08:26:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 08:26:39,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:26:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2019-11-20 08:26:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2019-11-20 08:26:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 08:26:40,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:26:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2019-11-20 08:26:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2019-11-20 08:26:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 08:26:40,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:26:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 220 states and 301 transitions. [2019-11-20 08:26:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions. [2019-11-20 08:26:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 08:26:41,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:26:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 232 states and 317 transitions. [2019-11-20 08:26:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 317 transitions. [2019-11-20 08:26:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 08:26:41,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:26:42,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 236 states and 323 transitions. [2019-11-20 08:26:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 323 transitions. [2019-11-20 08:26:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 08:26:42,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:26:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 238 states and 324 transitions. [2019-11-20 08:26:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 324 transitions. [2019-11-20 08:26:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 08:26:42,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:26:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:42,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 251 states and 339 transitions. [2019-11-20 08:26:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 339 transitions. [2019-11-20 08:26:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 08:26:42,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 254 states and 343 transitions. [2019-11-20 08:26:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 343 transitions. [2019-11-20 08:26:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 08:26:42,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 255 states and 344 transitions. [2019-11-20 08:26:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 344 transitions. [2019-11-20 08:26:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 08:26:43,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:43,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 269 states and 364 transitions. [2019-11-20 08:26:43,962 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 364 transitions. [2019-11-20 08:26:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 08:26:43,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:26:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 295 states and 395 transitions. [2019-11-20 08:26:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 395 transitions. [2019-11-20 08:26:45,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 08:26:45,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 306 states and 408 transitions. [2019-11-20 08:26:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 408 transitions. [2019-11-20 08:26:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 08:26:46,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:26:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 323 states and 427 transitions. [2019-11-20 08:26:47,065 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 427 transitions. [2019-11-20 08:26:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 08:26:47,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:26:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 325 states and 428 transitions. [2019-11-20 08:26:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 428 transitions. [2019-11-20 08:26:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 08:26:47,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 08:26:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 326 states and 430 transitions. [2019-11-20 08:26:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 430 transitions. [2019-11-20 08:26:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 08:26:47,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 08:26:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 328 states and 432 transitions. [2019-11-20 08:26:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 432 transitions. [2019-11-20 08:26:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 08:26:47,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:26:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 342 states and 446 transitions. [2019-11-20 08:26:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 446 transitions. [2019-11-20 08:26:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 08:26:48,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 358 states and 463 transitions. [2019-11-20 08:26:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 463 transitions. [2019-11-20 08:26:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 08:26:49,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 361 states and 467 transitions. [2019-11-20 08:26:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 467 transitions. [2019-11-20 08:26:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 08:26:49,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 386 states and 495 transitions. [2019-11-20 08:26:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 495 transitions. [2019-11-20 08:26:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 08:26:52,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:26:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 425 states and 539 transitions. [2019-11-20 08:26:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 539 transitions. [2019-11-20 08:26:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-20 08:26:53,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:26:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 435 states and 551 transitions. [2019-11-20 08:26:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 551 transitions. [2019-11-20 08:26:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 08:26:54,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:26:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 436 states and 552 transitions. [2019-11-20 08:26:54,083 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 552 transitions. [2019-11-20 08:26:54,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 08:26:54,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:54,339 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:26:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 449 states and 573 transitions. [2019-11-20 08:26:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 573 transitions. [2019-11-20 08:26:55,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 08:26:55,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:26:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 454 states and 580 transitions. [2019-11-20 08:26:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 580 transitions. [2019-11-20 08:26:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-20 08:26:56,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 463 states and 596 transitions. [2019-11-20 08:26:57,717 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 596 transitions. [2019-11-20 08:26:57,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 08:26:57,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:26:58,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:26:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 477 states and 612 transitions. [2019-11-20 08:26:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 612 transitions. [2019-11-20 08:26:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 08:26:58,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:26:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:26:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:27:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:01,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 525 states and 669 transitions. [2019-11-20 08:27:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 669 transitions. [2019-11-20 08:27:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 08:27:01,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 08:27:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 571 states and 727 transitions. [2019-11-20 08:27:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 727 transitions. [2019-11-20 08:27:05,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 08:27:05,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:27:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:05,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 578 states and 736 transitions. [2019-11-20 08:27:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 736 transitions. [2019-11-20 08:27:05,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 08:27:05,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:27:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 626 states and 792 transitions. [2019-11-20 08:27:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 792 transitions. [2019-11-20 08:27:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 08:27:09,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:27:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 668 states and 839 transitions. [2019-11-20 08:27:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 839 transitions. [2019-11-20 08:27:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 08:27:12,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:27:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 679 states and 851 transitions. [2019-11-20 08:27:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 851 transitions. [2019-11-20 08:27:13,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 08:27:13,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:27:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 710 states and 885 transitions. [2019-11-20 08:27:15,521 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 885 transitions. [2019-11-20 08:27:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 08:27:15,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 08:27:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 721 states and 895 transitions. [2019-11-20 08:27:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 895 transitions. [2019-11-20 08:27:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 08:27:16,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 751 states and 938 transitions. [2019-11-20 08:27:20,545 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 938 transitions. [2019-11-20 08:27:20,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 08:27:20,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:27:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 756 states and 946 transitions. [2019-11-20 08:27:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 946 transitions. [2019-11-20 08:27:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 08:27:20,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 08:27:21,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:21,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 763 states and 955 transitions. [2019-11-20 08:27:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 955 transitions. [2019-11-20 08:27:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 08:27:21,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 08:27:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 812 states and 1009 transitions. [2019-11-20 08:27:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1009 transitions. [2019-11-20 08:27:22,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 08:27:22,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 837 states and 1036 transitions. [2019-11-20 08:27:25,537 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1036 transitions. [2019-11-20 08:27:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 08:27:25,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 08:27:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 892 states and 1095 transitions. [2019-11-20 08:27:31,787 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1095 transitions. [2019-11-20 08:27:31,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 08:27:31,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 930 states and 1145 transitions. [2019-11-20 08:27:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1145 transitions. [2019-11-20 08:27:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 08:27:35,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 961 states and 1175 transitions. [2019-11-20 08:27:37,061 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1175 transitions. [2019-11-20 08:27:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 08:27:37,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:27:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:37,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 978 states and 1193 transitions. [2019-11-20 08:27:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1193 transitions. [2019-11-20 08:27:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 08:27:37,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:37,341 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 08:27:37,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 980 states and 1196 transitions. [2019-11-20 08:27:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1196 transitions. [2019-11-20 08:27:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 08:27:37,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 08:27:38,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 984 states and 1199 transitions. [2019-11-20 08:27:38,309 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1199 transitions. [2019-11-20 08:27:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 08:27:38,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:27:38,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 987 states and 1202 transitions. [2019-11-20 08:27:38,586 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1202 transitions. [2019-11-20 08:27:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 08:27:38,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 08:27:40,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1056 states and 1272 transitions. [2019-11-20 08:27:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1272 transitions. [2019-11-20 08:27:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 08:27:40,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 08:27:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1067 states and 1288 transitions. [2019-11-20 08:27:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1288 transitions. [2019-11-20 08:27:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 08:27:42,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 08:27:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1069 states and 1290 transitions. [2019-11-20 08:27:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1290 transitions. [2019-11-20 08:27:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 08:27:42,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:27:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1099 states and 1330 transitions. [2019-11-20 08:27:46,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1330 transitions. [2019-11-20 08:27:46,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 08:27:46,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:27:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1108 states and 1341 transitions. [2019-11-20 08:27:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1341 transitions. [2019-11-20 08:27:47,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 08:27:47,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:27:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1110 states and 1343 transitions. [2019-11-20 08:27:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1343 transitions. [2019-11-20 08:27:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-20 08:27:48,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 124 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:27:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1121 states and 1356 transitions. [2019-11-20 08:27:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1356 transitions. [2019-11-20 08:27:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 08:27:51,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 08:27:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1123 states and 1358 transitions. [2019-11-20 08:27:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1358 transitions. [2019-11-20 08:27:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 08:27:51,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:27:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1138 states and 1378 transitions. [2019-11-20 08:27:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1378 transitions. [2019-11-20 08:27:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 08:27:54,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:27:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:27:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1143 states and 1384 transitions. [2019-11-20 08:27:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1384 transitions. [2019-11-20 08:27:54,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 08:27:54,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:27:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:27:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1189 states and 1440 transitions. [2019-11-20 08:28:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1440 transitions. [2019-11-20 08:28:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-20 08:28:00,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 08:28:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1192 states and 1444 transitions. [2019-11-20 08:28:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1444 transitions. [2019-11-20 08:28:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-20 08:28:01,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:28:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1230 states and 1491 transitions. [2019-11-20 08:28:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1491 transitions. [2019-11-20 08:28:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-20 08:28:06,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:28:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:08,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1248 states and 1511 transitions. [2019-11-20 08:28:08,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1511 transitions. [2019-11-20 08:28:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-20 08:28:08,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:28:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1262 states and 1524 transitions. [2019-11-20 08:28:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1524 transitions. [2019-11-20 08:28:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 08:28:11,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1290 states and 1557 transitions. [2019-11-20 08:28:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1557 transitions. [2019-11-20 08:28:15,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-20 08:28:15,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 183 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 08:28:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1296 states and 1563 transitions. [2019-11-20 08:28:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1563 transitions. [2019-11-20 08:28:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:28:16,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 08:28:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1306 states and 1573 transitions. [2019-11-20 08:28:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1573 transitions. [2019-11-20 08:28:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:28:17,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:17,560 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 08:28:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1308 states and 1574 transitions. [2019-11-20 08:28:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1574 transitions. [2019-11-20 08:28:18,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 08:28:18,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1366 states and 1639 transitions. [2019-11-20 08:28:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1639 transitions. [2019-11-20 08:28:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 08:28:25,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:28:28,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:28,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1402 states and 1681 transitions. [2019-11-20 08:28:28,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1681 transitions. [2019-11-20 08:28:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 08:28:28,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1429 states and 1713 transitions. [2019-11-20 08:28:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1713 transitions. [2019-11-20 08:28:32,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 08:28:32,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1448 states and 1731 transitions. [2019-11-20 08:28:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1731 transitions. [2019-11-20 08:28:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 08:28:34,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1453 states and 1736 transitions. [2019-11-20 08:28:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1736 transitions. [2019-11-20 08:28:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 08:28:35,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:28:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:36,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1455 states and 1737 transitions. [2019-11-20 08:28:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1737 transitions. [2019-11-20 08:28:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 08:28:36,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:36,358 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:28:36,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1457 states and 1740 transitions. [2019-11-20 08:28:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1740 transitions. [2019-11-20 08:28:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 08:28:36,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:28:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1481 states and 1765 transitions. [2019-11-20 08:28:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1765 transitions. [2019-11-20 08:28:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 08:28:41,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:28:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1496 states and 1779 transitions. [2019-11-20 08:28:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1779 transitions. [2019-11-20 08:28:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-20 08:28:43,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 190 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:28:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1509 states and 1795 transitions. [2019-11-20 08:28:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1795 transitions. [2019-11-20 08:28:44,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 08:28:44,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1548 states and 1841 transitions. [2019-11-20 08:28:51,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1841 transitions. [2019-11-20 08:28:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 08:28:51,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1532 states and 1824 transitions. [2019-11-20 08:28:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1824 transitions. [2019-11-20 08:28:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-20 08:28:52,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:28:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:28:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1542 states and 1836 transitions. [2019-11-20 08:28:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1836 transitions. [2019-11-20 08:28:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 08:28:56,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:28:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:28:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:29:00,513 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-11-20 08:29:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1553 states and 1849 transitions. [2019-11-20 08:29:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1849 transitions. [2019-11-20 08:29:02,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 08:29:02,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:29:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1590 states and 1888 transitions. [2019-11-20 08:29:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1888 transitions. [2019-11-20 08:29:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 08:29:06,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:29:07,166 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-11-20 08:29:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1592 states and 1889 transitions. [2019-11-20 08:29:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1889 transitions. [2019-11-20 08:29:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-20 08:29:07,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 08:29:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1597 states and 1896 transitions. [2019-11-20 08:29:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1896 transitions. [2019-11-20 08:29:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-11-20 08:29:08,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-20 08:29:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1602 states and 1903 transitions. [2019-11-20 08:29:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1903 transitions. [2019-11-20 08:29:08,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 08:29:08,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-20 08:29:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1672 states and 1976 transitions. [2019-11-20 08:29:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1976 transitions. [2019-11-20 08:29:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 08:29:10,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 63 proven. 148 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 08:29:15,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:15,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 1747 states and 2057 transitions. [2019-11-20 08:29:15,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2057 transitions. [2019-11-20 08:29:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 08:29:15,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-20 08:29:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1818 states and 2153 transitions. [2019-11-20 08:29:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2153 transitions. [2019-11-20 08:29:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 08:29:20,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-20 08:29:22,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:22,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1853 states and 2188 transitions. [2019-11-20 08:29:22,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2188 transitions. [2019-11-20 08:29:22,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 08:29:22,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-20 08:29:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1866 states and 2199 transitions. [2019-11-20 08:29:24,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2199 transitions. [2019-11-20 08:29:24,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 08:29:24,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-20 08:29:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1869 states and 2201 transitions. [2019-11-20 08:29:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2201 transitions. [2019-11-20 08:29:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 08:29:25,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-20 08:29:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1886 states and 2218 transitions. [2019-11-20 08:29:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2218 transitions. [2019-11-20 08:29:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 08:29:26,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:29:32,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 1918 states and 2260 transitions. [2019-11-20 08:29:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2260 transitions. [2019-11-20 08:29:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 08:29:32,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:29:35,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1924 states and 2267 transitions. [2019-11-20 08:29:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2267 transitions. [2019-11-20 08:29:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 08:29:35,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:29:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1938 states and 2280 transitions. [2019-11-20 08:29:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2280 transitions. [2019-11-20 08:29:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-20 08:29:37,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 206 proven. 69 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 08:29:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2006 states and 2351 transitions. [2019-11-20 08:29:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2351 transitions. [2019-11-20 08:29:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-20 08:29:40,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:29:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2012 states and 2357 transitions. [2019-11-20 08:29:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2357 transitions. [2019-11-20 08:29:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-20 08:29:42,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:29:45,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2023 states and 2369 transitions. [2019-11-20 08:29:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2369 transitions. [2019-11-20 08:29:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-11-20 08:29:45,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 308 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:29:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2052 states and 2411 transitions. [2019-11-20 08:29:54,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2411 transitions. [2019-11-20 08:29:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-11-20 08:29:54,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:54,253 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 308 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:29:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:29:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2084 states and 2442 transitions. [2019-11-20 08:29:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2442 transitions. [2019-11-20 08:29:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-11-20 08:29:58,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:29:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:29:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 308 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:30:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2098 states and 2456 transitions. [2019-11-20 08:30:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2456 transitions. [2019-11-20 08:30:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-11-20 08:30:00,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 285 proven. 54 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:30:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:05,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2121 states and 2484 transitions. [2019-11-20 08:30:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2484 transitions. [2019-11-20 08:30:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-11-20 08:30:05,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 285 proven. 54 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 08:30:06,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2124 states and 2487 transitions. [2019-11-20 08:30:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2487 transitions. [2019-11-20 08:30:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-11-20 08:30:06,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 08:30:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2130 states and 2496 transitions. [2019-11-20 08:30:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2496 transitions. [2019-11-20 08:30:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-11-20 08:30:07,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 08:30:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2131 states and 2496 transitions. [2019-11-20 08:30:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2496 transitions. [2019-11-20 08:30:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-11-20 08:30:08,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:08,503 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-11-20 08:30:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:09,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2201 states and 2570 transitions. [2019-11-20 08:30:09,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2570 transitions. [2019-11-20 08:30:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 08:30:09,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 08:30:13,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2211 states and 2583 transitions. [2019-11-20 08:30:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2583 transitions. [2019-11-20 08:30:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 08:30:13,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 08:30:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2304 states and 2687 transitions. [2019-11-20 08:30:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2687 transitions. [2019-11-20 08:30:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 08:30:23,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 08:30:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2346 states and 2729 transitions. [2019-11-20 08:30:28,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2729 transitions. [2019-11-20 08:30:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 08:30:28,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:29,211 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 08:30:30,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:30,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2361 states and 2743 transitions. [2019-11-20 08:30:30,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2743 transitions. [2019-11-20 08:30:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 08:30:30,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 08:30:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2365 states and 2746 transitions. [2019-11-20 08:30:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2746 transitions. [2019-11-20 08:30:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 08:30:31,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-20 08:30:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2405 states and 2789 transitions. [2019-11-20 08:30:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2789 transitions. [2019-11-20 08:30:39,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 08:30:39,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-20 08:30:40,394 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-11-20 08:30:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2407 states and 2790 transitions. [2019-11-20 08:30:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2790 transitions. [2019-11-20 08:30:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-11-20 08:30:41,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 08:30:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2437 states and 2843 transitions. [2019-11-20 08:30:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2843 transitions. [2019-11-20 08:30:49,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-11-20 08:30:49,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 08:30:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:30:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2447 states and 2853 transitions. [2019-11-20 08:30:58,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2853 transitions. [2019-11-20 08:30:58,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-11-20 08:30:58,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:30:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:30:58,757 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 08:31:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2477 states and 2882 transitions. [2019-11-20 08:31:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 2882 transitions. [2019-11-20 08:31:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-11-20 08:31:04,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 08:31:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2515 states and 2918 transitions. [2019-11-20 08:31:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2918 transitions. [2019-11-20 08:31:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 08:31:09,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 08:31:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2563 states and 2966 transitions. [2019-11-20 08:31:20,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 2966 transitions. [2019-11-20 08:31:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 08:31:20,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 08:31:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2585 states and 2987 transitions. [2019-11-20 08:31:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 2987 transitions. [2019-11-20 08:31:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-11-20 08:31:22,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-11-20 08:31:23,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:23,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2587 states and 2990 transitions. [2019-11-20 08:31:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 2990 transitions. [2019-11-20 08:31:23,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-11-20 08:31:23,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-20 08:31:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 2680 states and 3097 transitions. [2019-11-20 08:31:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3097 transitions. [2019-11-20 08:31:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-11-20 08:31:29,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2019-11-20 08:31:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 2788 states and 3216 transitions. [2019-11-20 08:31:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3216 transitions. [2019-11-20 08:31:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-11-20 08:31:36,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-11-20 08:31:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 2828 states and 3264 transitions. [2019-11-20 08:31:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3264 transitions. [2019-11-20 08:31:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-11-20 08:31:45,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-11-20 08:31:47,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:47,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 2837 states and 3275 transitions. [2019-11-20 08:31:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3275 transitions. [2019-11-20 08:31:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-11-20 08:31:47,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 08:31:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:31:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 2907 states and 3349 transitions. [2019-11-20 08:31:51,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3349 transitions. [2019-11-20 08:31:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-20 08:31:51,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:31:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:31:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 08:32:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3516 states to 3050 states and 3516 transitions. [2019-11-20 08:32:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 3516 transitions. [2019-11-20 08:32:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-11-20 08:32:03,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 08:32:10,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3092 states and 3559 transitions. [2019-11-20 08:32:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 3559 transitions. [2019-11-20 08:32:10,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-11-20 08:32:10,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 08:32:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3124 states and 3590 transitions. [2019-11-20 08:32:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3590 transitions. [2019-11-20 08:32:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-11-20 08:32:12,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:12,641 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 249 proven. 298 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-11-20 08:32:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3129 states and 3598 transitions. [2019-11-20 08:32:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 3598 transitions. [2019-11-20 08:32:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-11-20 08:32:14,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 4 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2019-11-20 08:32:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3134 states and 3605 transitions. [2019-11-20 08:32:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3605 transitions. [2019-11-20 08:32:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-11-20 08:32:15,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2019-11-20 08:32:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3203 states and 3676 transitions. [2019-11-20 08:32:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3676 transitions. [2019-11-20 08:32:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-11-20 08:32:19,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-20 08:32:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3252 states and 3726 transitions. [2019-11-20 08:32:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3726 transitions. [2019-11-20 08:32:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-11-20 08:32:35,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-20 08:32:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3286 states and 3761 transitions. [2019-11-20 08:32:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 3761 transitions. [2019-11-20 08:32:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-11-20 08:32:39,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-20 08:32:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3291 states and 3764 transitions. [2019-11-20 08:32:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3764 transitions. [2019-11-20 08:32:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-11-20 08:32:41,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-11-20 08:32:54,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3794 states to 3314 states and 3794 transitions. [2019-11-20 08:32:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 3794 transitions. [2019-11-20 08:32:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-11-20 08:32:54,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-11-20 08:32:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:32:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 3342 states and 3821 transitions. [2019-11-20 08:32:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3342 states and 3821 transitions. [2019-11-20 08:32:59,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-11-20 08:32:59,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:32:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:32:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-11-20 08:33:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3834 states to 3354 states and 3834 transitions. [2019-11-20 08:33:01,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 3834 transitions. [2019-11-20 08:33:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-11-20 08:33:01,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-20 08:33:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3399 states and 3894 transitions. [2019-11-20 08:33:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 3894 transitions. [2019-11-20 08:33:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-11-20 08:33:11,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-20 08:33:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3458 states and 3953 transitions. [2019-11-20 08:33:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 3953 transitions. [2019-11-20 08:33:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-11-20 08:33:15,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-20 08:33:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3494 states and 3988 transitions. [2019-11-20 08:33:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 3988 transitions. [2019-11-20 08:33:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-11-20 08:33:17,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 08:33:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 3507 states and 4004 transitions. [2019-11-20 08:33:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 4004 transitions. [2019-11-20 08:33:28,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-11-20 08:33:28,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 08:33:28,666 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-20 08:33:29,346 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-11-20 08:33:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 3524 states and 4025 transitions. [2019-11-20 08:33:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 4025 transitions. [2019-11-20 08:33:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-11-20 08:33:33,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 08:33:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 3541 states and 4043 transitions. [2019-11-20 08:33:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4043 transitions. [2019-11-20 08:33:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-11-20 08:33:38,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 08:33:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4044 states to 3542 states and 4044 transitions. [2019-11-20 08:33:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 4044 transitions. [2019-11-20 08:33:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-11-20 08:33:39,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-20 08:33:45,951 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-11-20 08:33:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:33:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 3611 states and 4115 transitions. [2019-11-20 08:33:58,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 4115 transitions. [2019-11-20 08:33:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-11-20 08:33:58,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:33:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:33:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-20 08:34:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4116 states to 3613 states and 4116 transitions. [2019-11-20 08:34:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4116 transitions. [2019-11-20 08:34:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2019-11-20 08:34:00,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:04,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 08:34:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 3618 states and 4124 transitions. [2019-11-20 08:34:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4124 transitions. [2019-11-20 08:34:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2019-11-20 08:34:10,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 08:34:11,688 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-11-20 08:34:12,418 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-11-20 08:34:13,141 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-20 08:34:13,870 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-20 08:34:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:18,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 3652 states and 4159 transitions. [2019-11-20 08:34:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 4159 transitions. [2019-11-20 08:34:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2019-11-20 08:34:18,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 08:34:21,610 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-11-20 08:34:22,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 3660 states and 4166 transitions. [2019-11-20 08:34:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 4166 transitions. [2019-11-20 08:34:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2019-11-20 08:34:22,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 08:34:22,893 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-11-20 08:34:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 3661 states and 4166 transitions. [2019-11-20 08:34:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 4166 transitions. [2019-11-20 08:34:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-11-20 08:34:23,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 372 proven. 369 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2019-11-20 08:34:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 3735 states and 4253 transitions. [2019-11-20 08:34:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 4253 transitions. [2019-11-20 08:34:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-11-20 08:34:29,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 8 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 08:34:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 3805 states and 4325 transitions. [2019-11-20 08:34:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3805 states and 4325 transitions. [2019-11-20 08:34:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2019-11-20 08:34:35,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:34:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:34:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 500 proven. 274 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2019-11-20 08:34:38,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:34:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4246 states to 3729 states and 4246 transitions. [2019-11-20 08:34:38,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3729 states and 4246 transitions. [2019-11-20 08:34:38,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:34:38,391 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 154 iterations. [2019-11-20 08:34:38,403 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 08:34:38,884 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 44 [2019-11-20 08:34:39,346 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 44 [2019-11-20 08:34:39,847 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 39 [2019-11-20 08:34:40,292 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 44 [2019-11-20 08:34:40,799 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 39 [2019-11-20 08:34:40,907 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 13 [2019-11-20 08:34:41,486 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2019-11-20 08:34:41,757 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 13 [2019-11-20 08:34:42,102 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 13 [2019-11-20 08:34:42,604 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 39 [2019-11-20 08:34:42,728 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 13 [2019-11-20 08:34:42,852 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 13 [2019-11-20 08:34:43,094 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2019-11-20 08:34:44,022 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 52 [2019-11-20 08:34:44,481 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 45 [2019-11-20 08:34:44,636 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 13 [2019-11-20 08:34:44,985 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 13 [2019-11-20 08:34:45,359 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 13 [2019-11-20 08:34:45,556 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 13 [2019-11-20 08:34:45,657 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 13 [2019-11-20 08:34:46,310 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 52 [2019-11-20 08:34:46,422 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 13 [2019-11-20 08:34:46,547 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 13 [2019-11-20 08:34:47,083 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 38 [2019-11-20 08:34:47,543 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 44 [2019-11-20 08:34:48,047 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 39 [2019-11-20 08:34:48,659 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 52 [2019-11-20 08:34:48,813 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 13 [2019-11-20 08:34:49,264 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 44 [2019-11-20 08:34:49,680 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 44 [2019-11-20 08:34:50,100 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 44 [2019-11-20 08:34:50,301 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 13 [2019-11-20 08:34:50,759 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 44 [2019-11-20 08:34:50,875 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 13 [2019-11-20 08:34:51,303 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 44 [2019-11-20 08:34:51,726 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 44 [2019-11-20 08:34:51,840 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 13 [2019-11-20 08:34:52,227 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 37 [2019-11-20 08:34:52,855 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 52 [2019-11-20 08:34:53,006 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 13 [2019-11-20 08:34:53,366 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 13 [2019-11-20 08:34:53,474 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 13 [2019-11-20 08:34:53,855 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 37 [2019-11-20 08:34:54,477 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 52 [2019-11-20 08:34:55,200 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 52 [2019-11-20 08:34:55,810 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 52 [2019-11-20 08:34:56,031 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 13 [2019-11-20 08:34:56,156 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 13 [2019-11-20 08:34:56,760 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 52 [2019-11-20 08:34:57,027 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 13 [2019-11-20 08:34:57,157 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 13 [2019-11-20 08:34:57,918 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 44 [2019-11-20 08:34:58,132 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 13 [2019-11-20 08:34:58,711 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 53 [2019-11-20 08:34:58,819 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 13 [2019-11-20 08:34:59,283 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 44 [2019-11-20 08:34:59,783 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 39 [2019-11-20 08:35:00,457 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 74 [2019-11-20 08:35:00,563 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 13 [2019-11-20 08:35:00,672 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 13 [2019-11-20 08:35:01,134 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 44 [2019-11-20 08:35:01,579 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 44 [2019-11-20 08:35:02,112 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 38 [2019-11-20 08:35:02,263 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 13 [2019-11-20 08:35:02,765 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 39 [2019-11-20 08:35:03,335 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 48 [2019-11-20 08:35:03,958 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 52 [2019-11-20 08:35:04,422 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 45 [2019-11-20 08:35:04,422 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 08:35:04,426 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-11-20 08:35:04,430 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-11-20 08:35:04,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 08:35:04 ImpRootNode [2019-11-20 08:35:04,431 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 08:35:04,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:35:04,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:35:04,431 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:35:04,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:26:38" (3/4) ... [2019-11-20 08:35:04,435 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:35:04,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2019-11-20 08:35:04,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-20 08:35:04,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 08:35:04,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 08:35:04,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0e02a743-5248-4a28-828e-6f499d2cf0bd/bin/ukojak/witness.graphml [2019-11-20 08:35:04,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:35:04,603 INFO L168 Benchmark]: Toolchain (without parser) took 510012.12 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 939.3 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2019-11-20 08:35:04,604 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:35:04,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-20 08:35:04,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:35:04,605 INFO L168 Benchmark]: Boogie Preprocessor took 105.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 08:35:04,607 INFO L168 Benchmark]: RCFGBuilder took 2745.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.2 MB in the end (delta: 210.7 MB). Peak memory consumption was 210.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:35:04,608 INFO L168 Benchmark]: CodeCheck took 506096.06 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 910.2 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2019-11-20 08:35:04,609 INFO L168 Benchmark]: Witness Printer took 170.95 ms. Allocated memory is still 4.7 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-20 08:35:04,611 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: 480.0s, OverallIterations: 154, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1760410340 SDtfs, 97592792 SDslu, -1973594968 SDs, 0 SdLazy, 261363984 SolverSat, 114885376 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1364.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 214615 GetRequests, 205323 SyntacticMatches, 7236 SemanticMatches, 2056 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3369464 ImplicationChecksByTransitivity, 423.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 67.8s InterpolantComputationTime, 32951 NumberOfCodeBlocks, 32951 NumberOfCodeBlocksAsserted, 153 NumberOfCheckSat, 32798 ConstructedInterpolants, 0 QuantifiedInterpolants, 58900566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 153 InterpolantComputations, 115 PerfectInterpolantSequences, 46598/48607 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: 542]: 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: (!(a17 == 1) || !(5 == a16)) || !(14 == a8) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a17 == 1) || !(5 == a16)) || !(14 == a8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 765.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2745.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.2 MB in the end (delta: 210.7 MB). Peak memory consumption was 210.7 MB. Max. memory is 11.5 GB. * CodeCheck took 506096.06 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 910.2 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 170.95 ms. Allocated memory is still 4.7 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...