./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_15-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/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 129b0578c0c64625cef50fbcfd5d128651ff3275 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 05:37:41,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 05:37:41,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 05:37:41,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 05:37:41,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 05:37:41,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 05:37:41,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 05:37:41,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 05:37:41,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 05:37:41,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 05:37:41,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 05:37:41,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 05:37:41,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 05:37:41,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 05:37:41,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 05:37:41,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 05:37:41,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 05:37:41,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 05:37:41,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 05:37:41,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 05:37:41,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 05:37:41,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 05:37:41,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 05:37:41,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 05:37:41,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 05:37:41,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 05:37:41,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 05:37:41,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 05:37:41,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 05:37:41,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 05:37:41,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 05:37:41,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 05:37:41,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 05:37:41,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 05:37:41,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 05:37:41,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 05:37:41,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 05:37:41,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 05:37:41,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 05:37:41,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 05:37:41,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 05:37:41,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 05:37:41,416 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 05:37:41,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 05:37:41,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 05:37:41,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 05:37:41,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 05:37:41,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 05:37:41,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 05:37:41,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 05:37:41,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 05:37:41,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 05:37:41,419 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 05:37:41,419 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 05:37:41,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 05:37:41,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 05:37:41,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:37:41,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 05:37:41,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 05:37:41,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 05:37:41,420 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 05:37:41,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 05:37:41,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 05:37:41,420 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_3041af28-ac7e-46ba-ad97-c821f9265541/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 -> 129b0578c0c64625cef50fbcfd5d128651ff3275 [2019-12-02 05:37:41,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 05:37:41,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 05:37:41,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 05:37:41,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 05:37:41,536 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 05:37:41,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_15-2.c [2019-12-02 05:37:41,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/data/dbb0e7346/7303feb819fc46c9868d1f65acbef919/FLAG0377c093e [2019-12-02 05:37:41,978 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 05:37:41,978 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/sv-benchmarks/c/locks/test_locks_15-2.c [2019-12-02 05:37:41,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/data/dbb0e7346/7303feb819fc46c9868d1f65acbef919/FLAG0377c093e [2019-12-02 05:37:42,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/data/dbb0e7346/7303feb819fc46c9868d1f65acbef919 [2019-12-02 05:37:42,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 05:37:42,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 05:37:42,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 05:37:42,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 05:37:42,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 05:37:42,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb66a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42, skipping insertion in model container [2019-12-02 05:37:42,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 05:37:42,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 05:37:42,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:37:42,508 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 05:37:42,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:37:42,568 INFO L208 MainTranslator]: Completed translation [2019-12-02 05:37:42,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42 WrapperNode [2019-12-02 05:37:42,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 05:37:42,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 05:37:42,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 05:37:42,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 05:37:42,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 05:37:42,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 05:37:42,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 05:37:42,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 05:37:42,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... [2019-12-02 05:37:42,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 05:37:42,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 05:37:42,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 05:37:42,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 05:37:42,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:37:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:37:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 05:37:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 05:37:43,023 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 05:37:43,023 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-02 05:37:43,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:37:43 BoogieIcfgContainer [2019-12-02 05:37:43,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 05:37:43,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 05:37:43,025 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 05:37:43,032 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 05:37:43,032 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:37:43" (1/1) ... [2019-12-02 05:37:43,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 05:37:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2019-12-02 05:37:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2019-12-02 05:37:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 05:37:43,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2019-12-02 05:37:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2019-12-02 05:37:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 05:37:43,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-12-02 05:37:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-12-02 05:37:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:37:43,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2019-12-02 05:37:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2019-12-02 05:37:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:37:43,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:43,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2019-12-02 05:37:43,680 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2019-12-02 05:37:43,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 05:37:43,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:43,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2019-12-02 05:37:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2019-12-02 05:37:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 05:37:43,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2019-12-02 05:37:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2019-12-02 05:37:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 05:37:44,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2019-12-02 05:37:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2019-12-02 05:37:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 05:37:44,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2019-12-02 05:37:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2019-12-02 05:37:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 05:37:44,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:44,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2019-12-02 05:37:44,499 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2019-12-02 05:37:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 05:37:44,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2019-12-02 05:37:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2019-12-02 05:37:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 05:37:45,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:45,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2019-12-02 05:37:45,282 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2019-12-02 05:37:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 05:37:45,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2019-12-02 05:37:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2019-12-02 05:37:45,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 05:37:45,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2019-12-02 05:37:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2019-12-02 05:37:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 05:37:45,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2019-12-02 05:37:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2019-12-02 05:37:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 05:37:46,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2019-12-02 05:37:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-12-02 05:37:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 05:37:46,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2019-12-02 05:37:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2019-12-02 05:37:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 05:37:46,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:47,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2019-12-02 05:37:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2019-12-02 05:37:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 05:37:47,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2019-12-02 05:37:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2019-12-02 05:37:47,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 05:37:47,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2019-12-02 05:37:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2019-12-02 05:37:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 05:37:47,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2019-12-02 05:37:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2019-12-02 05:37:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 05:37:49,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2019-12-02 05:37:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2019-12-02 05:37:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 05:37:50,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2019-12-02 05:37:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2019-12-02 05:37:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:37:50,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2019-12-02 05:37:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2019-12-02 05:37:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:37:50,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2019-12-02 05:37:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2019-12-02 05:37:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:37:50,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2019-12-02 05:37:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2019-12-02 05:37:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:37:51,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:51,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2019-12-02 05:37:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2019-12-02 05:37:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:37:51,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2019-12-02 05:37:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2019-12-02 05:37:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:37:55,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2019-12-02 05:37:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2019-12-02 05:37:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:37:56,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2019-12-02 05:37:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2019-12-02 05:37:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 05:37:56,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2019-12-02 05:37:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2019-12-02 05:37:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 05:37:56,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2019-12-02 05:37:57,025 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2019-12-02 05:37:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 05:37:57,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2019-12-02 05:37:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2019-12-02 05:37:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 05:37:57,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:37:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:37:57,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2019-12-02 05:37:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2019-12-02 05:37:57,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 05:37:57,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:37:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:37:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2019-12-02 05:38:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2019-12-02 05:38:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 05:38:01,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2019-12-02 05:38:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2019-12-02 05:38:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 05:38:01,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2019-12-02 05:38:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2019-12-02 05:38:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 05:38:02,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:02,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2019-12-02 05:38:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2019-12-02 05:38:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:02,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2019-12-02 05:38:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2019-12-02 05:38:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:03,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2019-12-02 05:38:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2019-12-02 05:38:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:03,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2019-12-02 05:38:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2019-12-02 05:38:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:03,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2019-12-02 05:38:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2019-12-02 05:38:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:04,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:04,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2019-12-02 05:38:09,821 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2019-12-02 05:38:09,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:09,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:09,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:10,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2019-12-02 05:38:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2019-12-02 05:38:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:10,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2019-12-02 05:38:10,487 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2019-12-02 05:38:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:10,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2019-12-02 05:38:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2019-12-02 05:38:10,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 05:38:10,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2019-12-02 05:38:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2019-12-02 05:38:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:11,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:12,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2019-12-02 05:38:12,039 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2019-12-02 05:38:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:12,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2019-12-02 05:38:12,486 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2019-12-02 05:38:12,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:12,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:12,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2019-12-02 05:38:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2019-12-02 05:38:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:12,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:12,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2019-12-02 05:38:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2019-12-02 05:38:13,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:13,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2019-12-02 05:38:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2019-12-02 05:38:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:13,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2019-12-02 05:38:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2019-12-02 05:38:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:21,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:22,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2019-12-02 05:38:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2019-12-02 05:38:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:22,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2019-12-02 05:38:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2019-12-02 05:38:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:23,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2019-12-02 05:38:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2019-12-02 05:38:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 05:38:24,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2019-12-02 05:38:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2019-12-02 05:38:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:24,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2019-12-02 05:38:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2019-12-02 05:38:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:25,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:25,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2019-12-02 05:38:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2019-12-02 05:38:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:25,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2019-12-02 05:38:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2019-12-02 05:38:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:27,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2019-12-02 05:38:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2019-12-02 05:38:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:27,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 86 transitions. [2019-12-02 05:38:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 86 transitions. [2019-12-02 05:38:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:28,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2019-12-02 05:38:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2019-12-02 05:38:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:40,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2019-12-02 05:38:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2019-12-02 05:38:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:40,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2019-12-02 05:38:40,999 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2019-12-02 05:38:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:40,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:42,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:42,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2019-12-02 05:38:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2019-12-02 05:38:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:42,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2019-12-02 05:38:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2019-12-02 05:38:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:38:43,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2019-12-02 05:38:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2019-12-02 05:38:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:38:45,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:46,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2019-12-02 05:38:46,843 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2019-12-02 05:38:46,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:38:46,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2019-12-02 05:38:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-12-02 05:38:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:38:48,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2019-12-02 05:38:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2019-12-02 05:38:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:38:48,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:49,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2019-12-02 05:38:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2019-12-02 05:38:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:38:49,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:38:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:38:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2019-12-02 05:38:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2019-12-02 05:38:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:38:49,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:38:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:38:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2019-12-02 05:39:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2019-12-02 05:39:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:39:04,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2019-12-02 05:39:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2019-12-02 05:39:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:39:05,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 123 transitions. [2019-12-02 05:39:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 123 transitions. [2019-12-02 05:39:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:39:06,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2019-12-02 05:39:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2019-12-02 05:39:08,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:39:08,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2019-12-02 05:39:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2019-12-02 05:39:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:39:09,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 73 states and 123 transitions. [2019-12-02 05:39:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 123 transitions. [2019-12-02 05:39:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 05:39:11,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2019-12-02 05:39:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2019-12-02 05:39:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:12,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2019-12-02 05:39:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2019-12-02 05:39:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:13,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 90 transitions. [2019-12-02 05:39:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2019-12-02 05:39:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:14,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:15,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2019-12-02 05:39:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2019-12-02 05:39:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:15,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2019-12-02 05:39:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2019-12-02 05:39:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:15,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2019-12-02 05:39:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2019-12-02 05:39:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:16,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2019-12-02 05:39:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2019-12-02 05:39:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:17,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:19,871 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-12-02 05:39:21,115 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-12-02 05:39:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2019-12-02 05:39:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2019-12-02 05:39:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:34,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2019-12-02 05:39:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2019-12-02 05:39:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:35,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2019-12-02 05:39:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2019-12-02 05:39:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:36,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 128 transitions. [2019-12-02 05:39:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 128 transitions. [2019-12-02 05:39:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:37,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:38,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2019-12-02 05:39:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2019-12-02 05:39:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:38,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 128 transitions. [2019-12-02 05:39:39,914 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 128 transitions. [2019-12-02 05:39:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 05:39:39,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2019-12-02 05:39:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2019-12-02 05:39:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:39:41,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2019-12-02 05:39:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2019-12-02 05:39:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:39:43,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2019-12-02 05:39:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2019-12-02 05:39:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:39:44,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:45,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2019-12-02 05:39:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2019-12-02 05:39:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:39:45,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:47,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2019-12-02 05:39:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2019-12-02 05:39:47,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:39:47,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2019-12-02 05:39:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2019-12-02 05:39:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:39:49,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2019-12-02 05:39:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2019-12-02 05:39:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:39:50,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:39:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 59 states and 92 transitions. [2019-12-02 05:39:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2019-12-02 05:39:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:39:50,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:39:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:39:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:39:52,989 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-12-02 05:39:54,154 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-12-02 05:39:55,250 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-12-02 05:40:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 74 states and 133 transitions. [2019-12-02 05:40:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2019-12-02 05:40:16,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:40:16,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 75 states and 133 transitions. [2019-12-02 05:40:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 133 transitions. [2019-12-02 05:40:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:40:17,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 133 transitions. [2019-12-02 05:40:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 133 transitions. [2019-12-02 05:40:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:40:20,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 133 transitions. [2019-12-02 05:40:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2019-12-02 05:40:21,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:40:21,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:21,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2019-12-02 05:40:21,945 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2019-12-02 05:40:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:40:21,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 133 transitions. [2019-12-02 05:40:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2019-12-02 05:40:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 05:40:23,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:24,053 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-12-02 05:40:26,848 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-12-02 05:40:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2019-12-02 05:40:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2019-12-02 05:40:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:26,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2019-12-02 05:40:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2019-12-02 05:40:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:28,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:29,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2019-12-02 05:40:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2019-12-02 05:40:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:29,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2019-12-02 05:40:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2019-12-02 05:40:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:30,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2019-12-02 05:40:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2019-12-02 05:40:31,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:31,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:32,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:32,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2019-12-02 05:40:32,988 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2019-12-02 05:40:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:32,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2019-12-02 05:40:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2019-12-02 05:40:35,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:35,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2019-12-02 05:40:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2019-12-02 05:40:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:36,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 94 transitions. [2019-12-02 05:40:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2019-12-02 05:40:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:37,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 94 transitions. [2019-12-02 05:40:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2019-12-02 05:40:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:39,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2019-12-02 05:40:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2019-12-02 05:40:40,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:40,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:40,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 64 states and 94 transitions. [2019-12-02 05:40:42,337 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2019-12-02 05:40:42,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:42,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2019-12-02 05:40:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2019-12-02 05:40:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:44,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2019-12-02 05:40:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2019-12-02 05:40:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 05:40:47,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:40:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:40:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:40:48,185 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-12-02 05:40:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:40:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2019-12-02 05:40:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2019-12-02 05:40:50,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 05:40:50,006 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 121 iterations. [2019-12-02 05:40:50,019 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 05:40:50,659 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:40:50,662 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:40:50,662 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:40:50,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:40:50 ImpRootNode [2019-12-02 05:40:50,662 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 05:40:50,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 05:40:50,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 05:40:50,663 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 05:40:50,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:37:43" (3/4) ... [2019-12-02 05:40:50,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 05:40:50,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-12-02 05:40:50,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-02 05:40:50,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 05:40:50,720 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3041af28-ac7e-46ba-ad97-c821f9265541/bin/ukojak/witness.graphml [2019-12-02 05:40:50,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 05:40:50,721 INFO L168 Benchmark]: Toolchain (without parser) took 188354.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.2 MB in the beginning and 747.7 MB in the end (delta: 198.5 MB). Peak memory consumption was 346.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:40:50,721 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:40:50,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-02 05:40:50,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.20 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-02 05:40:50,722 INFO L168 Benchmark]: Boogie Preprocessor took 18.45 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. [2019-12-02 05:40:50,722 INFO L168 Benchmark]: RCFGBuilder took 410.81 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2019-12-02 05:40:50,722 INFO L168 Benchmark]: CodeCheck took 187637.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Free memory was 1.1 GB in the beginning and 756.4 MB in the end (delta: 308.5 MB). Peak memory consumption was 320.0 MB. Max. memory is 11.5 GB. [2019-12-02 05:40:50,722 INFO L168 Benchmark]: Witness Printer took 57.81 ms. Allocated memory is still 1.2 GB. Free memory was 756.4 MB in the beginning and 747.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-12-02 05:40:50,724 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, 38 locations, 1 error locations. Result: SAFE, OverallTime: 186.9s, OverallIterations: 121, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -478183428 SDslu, 0 SDs, 0 SdLazy, -826343432 SolverSat, -528515076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 120.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20706 GetRequests, 19806 SyntacticMatches, 0 SemanticMatches, 900 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403324 ImplicationChecksByTransitivity, 182.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1945 NumberOfCodeBlocks, 1945 NumberOfCodeBlocksAsserted, 120 NumberOfCheckSat, 1825 ConstructedInterpolants, 0 QuantifiedInterpolants, 165825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 120 InterpolantComputations, 120 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 231]: 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.20 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.45 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. * RCFGBuilder took 410.81 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * CodeCheck took 187637.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Free memory was 1.1 GB in the beginning and 756.4 MB in the end (delta: 308.5 MB). Peak memory consumption was 320.0 MB. Max. memory is 11.5 GB. * Witness Printer took 57.81 ms. Allocated memory is still 1.2 GB. Free memory was 756.4 MB in the beginning and 747.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...