./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label39.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label39.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b35ebac14d675485534a7c769439016d2f7efb28 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:31:26,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:31:26,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:31:26,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:31:26,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:31:26,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:31:26,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:31:26,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:31:26,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:31:26,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:31:26,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:31:26,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:31:26,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:31:26,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:31:26,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:31:26,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:31:26,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:31:26,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:31:26,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:31:26,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:31:26,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:31:26,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:31:26,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:31:26,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:31:26,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:31:26,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:31:26,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:31:26,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:31:26,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:31:26,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:31:26,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:31:26,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:31:26,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:31:26,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:31:26,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:31:26,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:31:26,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:31:26,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:31:26,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:31:26,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:31:26,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:31:26,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:31:26,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:31:26,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:31:26,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:31:26,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:31:26,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:31:26,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:31:26,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:31:26,694 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:31:26,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:31:26,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:31:26,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:31:26,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:31:26,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:31:26,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:31:26,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:31:26,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:31:26,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:31:26,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:31:26,698 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:31:26,698 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:31:26,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:31:26,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:31:26,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:31:26,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:31:26,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:31:26,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:31:26,701 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:31:26,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:31:26,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:31:26,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b35ebac14d675485534a7c769439016d2f7efb28 [2020-11-30 00:31:27,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:31:27,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:31:27,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:31:27,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:31:27,036 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:31:27,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label39.c [2020-11-30 00:31:27,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/data/5de9a89eb/433911c100064e20bf9345562b81f771/FLAG548d0af53 [2020-11-30 00:31:27,743 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:31:27,744 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/sv-benchmarks/c/eca-rers2012/Problem01_label39.c [2020-11-30 00:31:27,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/data/5de9a89eb/433911c100064e20bf9345562b81f771/FLAG548d0af53 [2020-11-30 00:31:27,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/data/5de9a89eb/433911c100064e20bf9345562b81f771 [2020-11-30 00:31:27,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:31:28,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:31:28,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:28,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:31:28,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:31:28,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:27" (1/1) ... [2020-11-30 00:31:28,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d1434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28, skipping insertion in model container [2020-11-30 00:31:28,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:27" (1/1) ... [2020-11-30 00:31:28,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:31:28,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:31:28,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:28,503 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:31:28,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:28,654 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:31:28,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28 WrapperNode [2020-11-30 00:31:28,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:28,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:28,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:31:28,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:31:28,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:28,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:31:28,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:31:28,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:31:28,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... [2020-11-30 00:31:28,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:31:28,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:31:28,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:31:28,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:31:28,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:31:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:31:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:31:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:31:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:31:31,473 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:31:31,474 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:31:31,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:31 BoogieIcfgContainer [2020-11-30 00:31:31,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:31:31,478 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:31:31,479 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:31:31,489 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:31:31,489 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:31" (1/1) ... [2020-11-30 00:31:31,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:31,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-11-30 00:31:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-11-30 00:31:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-30 00:31:31,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:32,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2020-11-30 00:31:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2020-11-30 00:31:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-30 00:31:32,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:33,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 215 states and 333 transitions. [2020-11-30 00:31:33,699 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 333 transitions. [2020-11-30 00:31:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 00:31:33,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 220 states and 340 transitions. [2020-11-30 00:31:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 340 transitions. [2020-11-30 00:31:33,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 00:31:33,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 227 states and 350 transitions. [2020-11-30 00:31:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 350 transitions. [2020-11-30 00:31:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-30 00:31:34,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 228 states and 352 transitions. [2020-11-30 00:31:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 352 transitions. [2020-11-30 00:31:34,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 00:31:34,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 229 states and 354 transitions. [2020-11-30 00:31:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 354 transitions. [2020-11-30 00:31:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 00:31:35,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 232 states and 357 transitions. [2020-11-30 00:31:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 357 transitions. [2020-11-30 00:31:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 00:31:35,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 233 states and 359 transitions. [2020-11-30 00:31:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 359 transitions. [2020-11-30 00:31:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 00:31:35,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:35,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 240 states and 371 transitions. [2020-11-30 00:31:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 371 transitions. [2020-11-30 00:31:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 00:31:35,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:35,997 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 249 states and 387 transitions. [2020-11-30 00:31:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 387 transitions. [2020-11-30 00:31:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 00:31:36,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 251 states and 389 transitions. [2020-11-30 00:31:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 389 transitions. [2020-11-30 00:31:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-30 00:31:36,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 252 states and 391 transitions. [2020-11-30 00:31:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 391 transitions. [2020-11-30 00:31:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 00:31:37,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 255 states and 396 transitions. [2020-11-30 00:31:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 396 transitions. [2020-11-30 00:31:37,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 00:31:37,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 256 states and 396 transitions. [2020-11-30 00:31:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 396 transitions. [2020-11-30 00:31:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 00:31:37,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 258 states and 399 transitions. [2020-11-30 00:31:37,702 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 399 transitions. [2020-11-30 00:31:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 00:31:37,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 270 states and 417 transitions. [2020-11-30 00:31:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 417 transitions. [2020-11-30 00:31:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 00:31:38,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:38,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 271 states and 417 transitions. [2020-11-30 00:31:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 417 transitions. [2020-11-30 00:31:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-30 00:31:38,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:39,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 286 states and 439 transitions. [2020-11-30 00:31:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 439 transitions. [2020-11-30 00:31:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-30 00:31:39,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:40,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 290 states and 443 transitions. [2020-11-30 00:31:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 443 transitions. [2020-11-30 00:31:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-30 00:31:40,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 295 states and 449 transitions. [2020-11-30 00:31:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 449 transitions. [2020-11-30 00:31:40,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-30 00:31:40,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:31:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 310 states and 472 transitions. [2020-11-30 00:31:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 472 transitions. [2020-11-30 00:31:41,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-30 00:31:41,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 321 states and 484 transitions. [2020-11-30 00:31:41,283 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 484 transitions. [2020-11-30 00:31:41,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-30 00:31:41,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:31:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 330 states and 496 transitions. [2020-11-30 00:31:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 496 transitions. [2020-11-30 00:31:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-30 00:31:41,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 332 states and 497 transitions. [2020-11-30 00:31:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 497 transitions. [2020-11-30 00:31:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-30 00:31:42,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 337 states and 502 transitions. [2020-11-30 00:31:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 502 transitions. [2020-11-30 00:31:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-30 00:31:42,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:31:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 352 states and 523 transitions. [2020-11-30 00:31:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 523 transitions. [2020-11-30 00:31:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-30 00:31:43,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:43,133 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 00:31:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 354 states and 524 transitions. [2020-11-30 00:31:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 524 transitions. [2020-11-30 00:31:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-30 00:31:43,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 367 states and 538 transitions. [2020-11-30 00:31:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 538 transitions. [2020-11-30 00:31:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-30 00:31:43,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:43,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 384 states and 556 transitions. [2020-11-30 00:31:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 556 transitions. [2020-11-30 00:31:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-30 00:31:43,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:31:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 490 states and 683 transitions. [2020-11-30 00:31:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 683 transitions. [2020-11-30 00:31:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-30 00:31:45,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 493 states and 686 transitions. [2020-11-30 00:31:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 686 transitions. [2020-11-30 00:31:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-30 00:31:45,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 525 states and 724 transitions. [2020-11-30 00:31:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 724 transitions. [2020-11-30 00:31:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-30 00:31:47,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 534 states and 736 transitions. [2020-11-30 00:31:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 736 transitions. [2020-11-30 00:31:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-30 00:31:47,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:47,520 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 540 states and 746 transitions. [2020-11-30 00:31:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 746 transitions. [2020-11-30 00:31:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-30 00:31:47,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:48,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 547 states and 754 transitions. [2020-11-30 00:31:48,289 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 754 transitions. [2020-11-30 00:31:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-30 00:31:48,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 552 states and 760 transitions. [2020-11-30 00:31:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 760 transitions. [2020-11-30 00:31:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-30 00:31:48,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 576 states and 787 transitions. [2020-11-30 00:31:49,613 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 787 transitions. [2020-11-30 00:31:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-30 00:31:49,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 585 states and 795 transitions. [2020-11-30 00:31:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 795 transitions. [2020-11-30 00:31:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-30 00:31:50,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:50,077 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 588 states and 798 transitions. [2020-11-30 00:31:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 798 transitions. [2020-11-30 00:31:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-30 00:31:50,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 590 states and 799 transitions. [2020-11-30 00:31:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 799 transitions. [2020-11-30 00:31:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 00:31:50,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:31:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 594 states and 805 transitions. [2020-11-30 00:31:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 805 transitions. [2020-11-30 00:31:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 00:31:50,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 613 states and 826 transitions. [2020-11-30 00:31:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 826 transitions. [2020-11-30 00:31:51,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-30 00:31:51,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:31:51,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 626 states and 843 transitions. [2020-11-30 00:31:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 843 transitions. [2020-11-30 00:31:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-30 00:31:51,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:31:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 631 states and 850 transitions. [2020-11-30 00:31:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 850 transitions. [2020-11-30 00:31:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-30 00:31:52,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:31:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 632 states and 850 transitions. [2020-11-30 00:31:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 850 transitions. [2020-11-30 00:31:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 00:31:52,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:31:52,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:53,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 643 states and 864 transitions. [2020-11-30 00:31:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 864 transitions. [2020-11-30 00:31:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 00:31:53,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:53,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 681 states and 907 transitions. [2020-11-30 00:31:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 907 transitions. [2020-11-30 00:31:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-11-30 00:31:53,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:54,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 700 states and 927 transitions. [2020-11-30 00:31:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 927 transitions. [2020-11-30 00:31:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-11-30 00:31:54,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:55,008 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-30 00:31:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 701 states and 927 transitions. [2020-11-30 00:31:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 927 transitions. [2020-11-30 00:31:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:31:55,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 746 states and 978 transitions. [2020-11-30 00:31:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 978 transitions. [2020-11-30 00:31:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:31:56,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 754 states and 989 transitions. [2020-11-30 00:31:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 989 transitions. [2020-11-30 00:31:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:31:57,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:57,664 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:58,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 761 states and 997 transitions. [2020-11-30 00:31:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 997 transitions. [2020-11-30 00:31:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 00:31:58,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:31:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 772 states and 1010 transitions. [2020-11-30 00:31:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1010 transitions. [2020-11-30 00:31:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 00:31:59,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:31:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:31:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 783 states and 1023 transitions. [2020-11-30 00:31:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1023 transitions. [2020-11-30 00:31:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-30 00:31:59,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:31:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-30 00:32:00,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:00,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 785 states and 1024 transitions. [2020-11-30 00:32:00,106 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1024 transitions. [2020-11-30 00:32:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-30 00:32:00,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 832 states and 1079 transitions. [2020-11-30 00:32:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1079 transitions. [2020-11-30 00:32:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-30 00:32:02,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 877 states and 1137 transitions. [2020-11-30 00:32:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1137 transitions. [2020-11-30 00:32:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-30 00:32:04,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 886 states and 1146 transitions. [2020-11-30 00:32:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1146 transitions. [2020-11-30 00:32:04,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-30 00:32:04,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:32:04,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:04,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 903 states and 1163 transitions. [2020-11-30 00:32:04,993 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1163 transitions. [2020-11-30 00:32:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-30 00:32:04,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 909 states and 1171 transitions. [2020-11-30 00:32:05,139 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1171 transitions. [2020-11-30 00:32:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-30 00:32:05,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 961 states and 1238 transitions. [2020-11-30 00:32:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1238 transitions. [2020-11-30 00:32:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 00:32:05,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-30 00:32:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 963 states and 1246 transitions. [2020-11-30 00:32:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1246 transitions. [2020-11-30 00:32:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-11-30 00:32:06,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 978 states and 1266 transitions. [2020-11-30 00:32:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1266 transitions. [2020-11-30 00:32:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 00:32:06,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 00:32:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 983 states and 1272 transitions. [2020-11-30 00:32:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1272 transitions. [2020-11-30 00:32:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 00:32:07,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 995 states and 1286 transitions. [2020-11-30 00:32:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1286 transitions. [2020-11-30 00:32:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-30 00:32:08,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 00:32:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1025 states and 1319 transitions. [2020-11-30 00:32:09,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1319 transitions. [2020-11-30 00:32:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-30 00:32:09,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1036 states and 1328 transitions. [2020-11-30 00:32:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1328 transitions. [2020-11-30 00:32:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-30 00:32:09,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1048 states and 1342 transitions. [2020-11-30 00:32:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1342 transitions. [2020-11-30 00:32:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-30 00:32:10,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1063 states and 1358 transitions. [2020-11-30 00:32:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1358 transitions. [2020-11-30 00:32:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 00:32:11,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1083 states and 1379 transitions. [2020-11-30 00:32:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1379 transitions. [2020-11-30 00:32:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 00:32:11,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:32:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1088 states and 1385 transitions. [2020-11-30 00:32:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1385 transitions. [2020-11-30 00:32:12,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 00:32:12,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:32:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1089 states and 1388 transitions. [2020-11-30 00:32:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1388 transitions. [2020-11-30 00:32:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 00:32:13,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:32:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1096 states and 1395 transitions. [2020-11-30 00:32:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1395 transitions. [2020-11-30 00:32:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 00:32:13,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:32:14,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1097 states and 1396 transitions. [2020-11-30 00:32:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1396 transitions. [2020-11-30 00:32:14,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 00:32:14,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:32:14,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:14,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1103 states and 1402 transitions. [2020-11-30 00:32:14,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1402 transitions. [2020-11-30 00:32:14,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:32:14,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1104 states and 1404 transitions. [2020-11-30 00:32:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1404 transitions. [2020-11-30 00:32:14,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:32:14,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:15,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1111 states and 1411 transitions. [2020-11-30 00:32:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1411 transitions. [2020-11-30 00:32:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:32:15,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:15,409 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1136 states and 1437 transitions. [2020-11-30 00:32:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1437 transitions. [2020-11-30 00:32:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:32:17,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1174 states and 1476 transitions. [2020-11-30 00:32:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1476 transitions. [2020-11-30 00:32:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:32:17,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:17,845 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:18,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1175 states and 1476 transitions. [2020-11-30 00:32:18,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1476 transitions. [2020-11-30 00:32:18,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:32:18,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1176 states and 1478 transitions. [2020-11-30 00:32:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1478 transitions. [2020-11-30 00:32:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:32:18,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1182 states and 1485 transitions. [2020-11-30 00:32:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1485 transitions. [2020-11-30 00:32:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:18,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1193 states and 1503 transitions. [2020-11-30 00:32:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1503 transitions. [2020-11-30 00:32:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:19,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1194 states and 1504 transitions. [2020-11-30 00:32:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1504 transitions. [2020-11-30 00:32:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:19,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1216 states and 1531 transitions. [2020-11-30 00:32:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1531 transitions. [2020-11-30 00:32:21,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:21,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:21,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1219 states and 1534 transitions. [2020-11-30 00:32:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1534 transitions. [2020-11-30 00:32:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:21,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:21,858 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:22,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:22,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1226 states and 1542 transitions. [2020-11-30 00:32:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1542 transitions. [2020-11-30 00:32:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:22,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1227 states and 1542 transitions. [2020-11-30 00:32:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1542 transitions. [2020-11-30 00:32:22,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:22,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:23,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1228 states and 1543 transitions. [2020-11-30 00:32:23,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1543 transitions. [2020-11-30 00:32:23,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:23,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:23,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1236 states and 1551 transitions. [2020-11-30 00:32:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1551 transitions. [2020-11-30 00:32:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:23,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:32:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1237 states and 1551 transitions. [2020-11-30 00:32:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1551 transitions. [2020-11-30 00:32:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:32:23,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:32:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1240 states and 1554 transitions. [2020-11-30 00:32:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1554 transitions. [2020-11-30 00:32:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-30 00:32:24,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1249 states and 1564 transitions. [2020-11-30 00:32:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1564 transitions. [2020-11-30 00:32:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-30 00:32:24,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:32:25,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1254 states and 1570 transitions. [2020-11-30 00:32:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1570 transitions. [2020-11-30 00:32:25,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-30 00:32:25,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:32:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1259 states and 1575 transitions. [2020-11-30 00:32:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1575 transitions. [2020-11-30 00:32:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-30 00:32:25,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:32:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1260 states and 1575 transitions. [2020-11-30 00:32:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1575 transitions. [2020-11-30 00:32:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-30 00:32:26,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:32:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1268 states and 1582 transitions. [2020-11-30 00:32:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1582 transitions. [2020-11-30 00:32:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-30 00:32:26,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-30 00:32:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1293 states and 1613 transitions. [2020-11-30 00:32:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1613 transitions. [2020-11-30 00:32:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-30 00:32:27,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-30 00:32:27,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1294 states and 1613 transitions. [2020-11-30 00:32:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1613 transitions. [2020-11-30 00:32:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-30 00:32:27,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-30 00:32:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1307 states and 1625 transitions. [2020-11-30 00:32:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1625 transitions. [2020-11-30 00:32:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-11-30 00:32:28,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 104 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1405 states and 1735 transitions. [2020-11-30 00:32:32,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1735 transitions. [2020-11-30 00:32:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 00:32:32,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-30 00:32:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:34,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1452 states and 1791 transitions. [2020-11-30 00:32:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1791 transitions. [2020-11-30 00:32:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-30 00:32:34,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:32:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1460 states and 1798 transitions. [2020-11-30 00:32:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1798 transitions. [2020-11-30 00:32:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-30 00:32:35,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:32:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1468 states and 1805 transitions. [2020-11-30 00:32:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1805 transitions. [2020-11-30 00:32:36,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-30 00:32:36,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-11-30 00:32:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1469 states and 1810 transitions. [2020-11-30 00:32:36,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1810 transitions. [2020-11-30 00:32:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-30 00:32:36,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1508 states and 1849 transitions. [2020-11-30 00:32:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1849 transitions. [2020-11-30 00:32:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-30 00:32:37,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1519 states and 1860 transitions. [2020-11-30 00:32:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1860 transitions. [2020-11-30 00:32:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-30 00:32:38,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1525 states and 1865 transitions. [2020-11-30 00:32:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1865 transitions. [2020-11-30 00:32:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-30 00:32:38,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 137 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1575 states and 1935 transitions. [2020-11-30 00:32:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1935 transitions. [2020-11-30 00:32:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-30 00:32:43,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 137 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:44,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1583 states and 1942 transitions. [2020-11-30 00:32:44,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1942 transitions. [2020-11-30 00:32:44,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-30 00:32:44,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1644 states and 2012 transitions. [2020-11-30 00:32:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2012 transitions. [2020-11-30 00:32:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-30 00:32:46,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 181 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 1685 states and 2058 transitions. [2020-11-30 00:32:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2058 transitions. [2020-11-30 00:32:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 00:32:50,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 139 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:52,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1697 states and 2074 transitions. [2020-11-30 00:32:52,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2074 transitions. [2020-11-30 00:32:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-30 00:32:52,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:32:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1717 states and 2095 transitions. [2020-11-30 00:32:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2095 transitions. [2020-11-30 00:32:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-30 00:32:53,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:32:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 118 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1829 states and 2233 transitions. [2020-11-30 00:33:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2233 transitions. [2020-11-30 00:33:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-30 00:33:00,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-30 00:33:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 1900 states and 2305 transitions. [2020-11-30 00:33:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 2305 transitions. [2020-11-30 00:33:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-30 00:33:03,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-30 00:33:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1910 states and 2314 transitions. [2020-11-30 00:33:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2314 transitions. [2020-11-30 00:33:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-30 00:33:03,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-30 00:33:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 1951 states and 2356 transitions. [2020-11-30 00:33:05,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2356 transitions. [2020-11-30 00:33:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-30 00:33:05,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-30 00:33:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:05,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 1959 states and 2363 transitions. [2020-11-30 00:33:05,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2363 transitions. [2020-11-30 00:33:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-11-30 00:33:05,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:33:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 1991 states and 2396 transitions. [2020-11-30 00:33:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2396 transitions. [2020-11-30 00:33:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-11-30 00:33:08,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:33:09,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 1995 states and 2401 transitions. [2020-11-30 00:33:09,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2401 transitions. [2020-11-30 00:33:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-30 00:33:09,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-11-30 00:33:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 1997 states and 2402 transitions. [2020-11-30 00:33:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2402 transitions. [2020-11-30 00:33:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-30 00:33:09,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:09,979 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 00:33:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2006 states and 2410 transitions. [2020-11-30 00:33:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2410 transitions. [2020-11-30 00:33:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-30 00:33:10,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-11-30 00:33:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2073 states and 2478 transitions. [2020-11-30 00:33:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2478 transitions. [2020-11-30 00:33:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-30 00:33:12,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-11-30 00:33:13,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2074 states and 2478 transitions. [2020-11-30 00:33:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2478 transitions. [2020-11-30 00:33:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-30 00:33:13,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 126 proven. 69 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:33:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2212 states and 2638 transitions. [2020-11-30 00:33:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2638 transitions. [2020-11-30 00:33:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-30 00:33:21,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 214 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2213 states and 2638 transitions. [2020-11-30 00:33:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2638 transitions. [2020-11-30 00:33:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-30 00:33:22,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 214 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:23,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2214 states and 2640 transitions. [2020-11-30 00:33:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2640 transitions. [2020-11-30 00:33:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-11-30 00:33:23,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 165 proven. 46 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:33:25,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2250 states and 2677 transitions. [2020-11-30 00:33:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2677 transitions. [2020-11-30 00:33:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-30 00:33:25,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 147 proven. 65 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:33:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2289 states and 2732 transitions. [2020-11-30 00:33:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2732 transitions. [2020-11-30 00:33:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-30 00:33:29,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 147 proven. 65 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:33:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2290 states and 2741 transitions. [2020-11-30 00:33:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2741 transitions. [2020-11-30 00:33:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-30 00:33:30,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 147 proven. 65 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:33:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2291 states and 2742 transitions. [2020-11-30 00:33:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 2742 transitions. [2020-11-30 00:33:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-30 00:33:31,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 147 proven. 65 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:33:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2292 states and 2743 transitions. [2020-11-30 00:33:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2743 transitions. [2020-11-30 00:33:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-30 00:33:32,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 202 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 00:33:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2327 states and 2782 transitions. [2020-11-30 00:33:36,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2782 transitions. [2020-11-30 00:33:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-30 00:33:36,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-30 00:33:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2337 states and 2794 transitions. [2020-11-30 00:33:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 2794 transitions. [2020-11-30 00:33:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-30 00:33:37,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-30 00:33:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2345 states and 2801 transitions. [2020-11-30 00:33:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2801 transitions. [2020-11-30 00:33:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 00:33:38,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-11-30 00:33:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2353 states and 2808 transitions. [2020-11-30 00:33:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2808 transitions. [2020-11-30 00:33:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 00:33:39,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-11-30 00:33:40,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2357 states and 2810 transitions. [2020-11-30 00:33:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2810 transitions. [2020-11-30 00:33:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 00:33:40,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:40,621 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 143 proven. 86 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:33:45,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:45,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2456 states and 2923 transitions. [2020-11-30 00:33:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2923 transitions. [2020-11-30 00:33:45,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-11-30 00:33:45,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-30 00:33:50,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2498 states and 2978 transitions. [2020-11-30 00:33:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 2978 transitions. [2020-11-30 00:33:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-11-30 00:33:50,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-30 00:33:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2516 states and 2996 transitions. [2020-11-30 00:33:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2996 transitions. [2020-11-30 00:33:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-11-30 00:33:51,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-30 00:33:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2517 states and 2997 transitions. [2020-11-30 00:33:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 2997 transitions. [2020-11-30 00:33:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-30 00:33:52,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 168 proven. 92 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-30 00:33:54,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:54,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 2587 states and 3069 transitions. [2020-11-30 00:33:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 3069 transitions. [2020-11-30 00:33:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-30 00:33:54,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 248 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:55,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2595 states and 3076 transitions. [2020-11-30 00:33:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 3076 transitions. [2020-11-30 00:33:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-30 00:33:55,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:55,498 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:33:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 2597 states and 3077 transitions. [2020-11-30 00:33:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 3077 transitions. [2020-11-30 00:33:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-30 00:33:55,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:33:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 2612 states and 3093 transitions. [2020-11-30 00:33:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3093 transitions. [2020-11-30 00:33:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-30 00:33:56,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:33:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 2636 states and 3116 transitions. [2020-11-30 00:33:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3116 transitions. [2020-11-30 00:33:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-30 00:33:57,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:33:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 2660 states and 3139 transitions. [2020-11-30 00:33:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3139 transitions. [2020-11-30 00:33:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-30 00:33:59,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:34:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 169 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:34:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:34:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 2725 states and 3216 transitions. [2020-11-30 00:34:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3216 transitions. [2020-11-30 00:34:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-30 00:34:06,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:34:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:34:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 169 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:34:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:34:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 2732 states and 3223 transitions. [2020-11-30 00:34:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3223 transitions. [2020-11-30 00:34:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-30 00:34:08,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:34:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:34:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 172 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:34:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:34:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2735 states and 3227 transitions. [2020-11-30 00:34:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3227 transitions. [2020-11-30 00:34:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-30 00:34:09,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:34:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:34:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 172 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:34:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:34:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 2738 states and 3231 transitions. [2020-11-30 00:34:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3231 transitions. [2020-11-30 00:34:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-30 00:34:10,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:34:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:34:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 162 proven. 103 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-30 00:34:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:34:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3343 states to 2845 states and 3343 transitions. [2020-11-30 00:34:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3343 transitions. [2020-11-30 00:34:14,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-11-30 00:34:14,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:34:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:34:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 246 proven. 139 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-11-30 00:34:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:34:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 2773 states and 3266 transitions. [2020-11-30 00:34:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3266 transitions. [2020-11-30 00:34:14,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:34:14,883 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 155 iterations. [2020-11-30 00:34:14,891 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:34:15,525 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:15,640 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 13 [2020-11-30 00:34:15,935 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 31 [2020-11-30 00:34:16,734 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2020-11-30 00:34:17,040 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:17,529 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-11-30 00:34:18,138 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2020-11-30 00:34:18,472 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:19,066 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:19,430 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2020-11-30 00:34:19,885 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 31 [2020-11-30 00:34:20,334 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 31 [2020-11-30 00:34:20,820 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 31 [2020-11-30 00:34:21,419 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2020-11-30 00:34:21,852 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 31 [2020-11-30 00:34:22,179 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:22,636 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 31 [2020-11-30 00:34:23,207 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:23,518 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:23,995 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 31 [2020-11-30 00:34:24,326 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2020-11-30 00:34:24,443 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 13 [2020-11-30 00:34:24,855 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 31 [2020-11-30 00:34:25,366 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:25,773 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2020-11-30 00:34:26,196 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 31 [2020-11-30 00:34:26,701 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:26,979 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2020-11-30 00:34:27,562 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:28,015 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-11-30 00:34:28,595 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:28,937 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2020-11-30 00:34:29,379 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2020-11-30 00:34:29,808 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 31 [2020-11-30 00:34:30,125 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:30,507 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2020-11-30 00:34:31,088 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:31,672 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 45 [2020-11-30 00:34:32,229 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 46 [2020-11-30 00:34:32,539 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:33,006 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 31 [2020-11-30 00:34:33,314 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 31 [2020-11-30 00:34:33,807 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-11-30 00:34:34,150 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:34,761 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2020-11-30 00:34:35,462 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2020-11-30 00:34:35,973 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2020-11-30 00:34:36,328 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2020-11-30 00:34:36,946 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:37,425 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-11-30 00:34:37,898 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-11-30 00:34:38,365 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 31 [2020-11-30 00:34:38,948 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:39,420 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-11-30 00:34:40,042 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 45 [2020-11-30 00:34:40,627 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:40,909 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 31 [2020-11-30 00:34:41,366 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2020-11-30 00:34:41,841 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-11-30 00:34:42,399 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:42,749 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2020-11-30 00:34:43,228 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-11-30 00:34:43,791 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 45 [2020-11-30 00:34:44,256 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2020-11-30 00:34:44,781 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 31 [2020-11-30 00:34:45,128 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:45,703 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 31 [2020-11-30 00:34:45,965 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-30 00:34:46,337 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 31 [2020-11-30 00:34:46,642 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2020-11-30 00:34:47,140 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 45 [2020-11-30 00:34:47,141 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2020-11-30 00:34:47,152 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:34:47,152 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2020-11-30 00:34:47,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:34:47 ImpRootNode [2020-11-30 00:34:47,161 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:34:47,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:34:47,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:34:47,162 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:34:47,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:31" (3/4) ... [2020-11-30 00:34:47,166 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:34:47,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2020-11-30 00:34:47,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-30 00:34:47,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:34:47,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-30 00:34:47,364 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ffe2e66b-8ca2-4900-b483-7c655d2414fb/bin/ukojak/witness.graphml [2020-11-30 00:34:47,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:34:47,366 INFO L168 Benchmark]: Toolchain (without parser) took 199364.57 ms. Allocated memory was 86.0 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 51.3 MB in the beginning and 2.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 477.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:34:47,366 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 58.7 MB in the beginning and 58.6 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:34:47,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.21 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 47.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:34:47,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.32 ms. Allocated memory is still 86.0 MB. Free memory was 47.1 MB in the beginning and 41.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:34:47,368 INFO L168 Benchmark]: Boogie Preprocessor took 89.15 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 41.1 MB in the beginning and 79.8 MB in the end (delta: -38.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:34:47,368 INFO L168 Benchmark]: RCFGBuilder took 2631.31 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 79.8 MB in the beginning and 65.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:34:47,369 INFO L168 Benchmark]: CodeCheck took 195683.44 ms. Allocated memory was 146.8 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 65.8 MB in the beginning and 2.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-11-30 00:34:47,370 INFO L168 Benchmark]: Witness Printer took 202.92 ms. Allocated memory is still 2.8 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:34:47,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 163.3s, OverallIterations: 155, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4464776 SDtfs, 1084167974 SDslu, 416363522 SDs, 0 SdLazy, -2052366700 SolverSat, 1636119160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 932.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167564 GetRequests, 160681 SyntacticMatches, 5797 SemanticMatches, 1086 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918246 ImplicationChecksByTransitivity, 125.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 23812 NumberOfCodeBlocks, 23812 NumberOfCodeBlocksAsserted, 154 NumberOfCheckSat, 23658 ConstructedInterpolants, 0 QuantifiedInterpolants, 17441844 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 154 InterpolantComputations, 129 PerfectInterpolantSequences, 17929/19499 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((a12 == 8 && a8 == 13) && a16 == 4) && !(a7 == 1)) || !(a21 == 1)) || (((a7 == 1 && 14 == a8) && a12 == 8) && 5 == a16)) || !(a20 == 1)) || a17 == 1) || 15 <= a8) || (((14 == a8 && a12 == 8) && a16 == 4) && !(a7 == 1)) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((a12 == 8 && a8 == 13) && a16 == 4) && !(a7 == 1)) || !(a21 == 1)) || (((a7 == 1 && 14 == a8) && a12 == 8) && 5 == a16)) || !(a20 == 1)) || 15 <= a8) || a17 == 1) || (((14 == a8 && a12 == 8) && a16 == 4) && !(a7 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 58.7 MB in the beginning and 58.6 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 642.21 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 47.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.32 ms. Allocated memory is still 86.0 MB. Free memory was 47.1 MB in the beginning and 41.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.15 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 41.1 MB in the beginning and 79.8 MB in the end (delta: -38.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2631.31 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 79.8 MB in the beginning and 65.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. * CodeCheck took 195683.44 ms. Allocated memory was 146.8 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 65.8 MB in the beginning and 2.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 202.92 ms. Allocated memory is still 2.8 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...