./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/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 3efef18ca2c5424ea24622c4ce9c5dae3a170caf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:14:26,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:14:26,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:14:26,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:14:26,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:14:26,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:14:26,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:14:26,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:14:26,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:14:26,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:14:26,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:14:26,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:14:26,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:14:26,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:14:26,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:14:26,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:14:26,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:14:26,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:14:26,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:14:26,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:14:26,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:14:26,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:14:26,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:14:26,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:14:26,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:14:26,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:14:26,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:14:26,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:14:26,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:14:26,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:14:26,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:14:26,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:14:26,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:14:26,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:14:26,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:14:26,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:14:26,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:14:26,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:14:26,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:14:26,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:14:26,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:14:26,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:14:26,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:14:26,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:14:26,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:14:26,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:14:26,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:14:26,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:14:26,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:14:26,475 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:14:26,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:14:26,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:14:26,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:14:26,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:14:26,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:14:26,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:14:26,479 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:14:26,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:14:26,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:14:26,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:14:26,480 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:14:26,480 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:14:26,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:14:26,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:14:26,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:14:26,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:14:26,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:14:26,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:14:26,483 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:14:26,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:14:26,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:14:26,485 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_5964820d-b67c-4c73-a71c-af61ed88c643/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efef18ca2c5424ea24622c4ce9c5dae3a170caf [2020-12-01 16:14:26,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:14:26,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:14:26,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:14:26,854 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:14:26,855 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:14:26,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c [2020-12-01 16:14:26,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/data/a83b0d696/14b036be05454d868809d27bad8aa39e/FLAG6c4cf8688 [2020-12-01 16:14:27,542 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:14:27,543 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/sv-benchmarks/c/eca-rers2012/Problem01_label36.c [2020-12-01 16:14:27,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/data/a83b0d696/14b036be05454d868809d27bad8aa39e/FLAG6c4cf8688 [2020-12-01 16:14:27,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/data/a83b0d696/14b036be05454d868809d27bad8aa39e [2020-12-01 16:14:27,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:14:27,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:14:27,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:27,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:14:27,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:14:27,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:27" (1/1) ... [2020-12-01 16:14:27,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e82636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:27, skipping insertion in model container [2020-12-01 16:14:27,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:27" (1/1) ... [2020-12-01 16:14:27,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:14:27,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:14:28,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:28,357 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:14:28,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:28,525 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:14:28,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28 WrapperNode [2020-12-01 16:14:28,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:28,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:28,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:14:28,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:14:28,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:28,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:14:28,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:14:28,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:14:28,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:14:28,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:14:28,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:14:28,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:14:28,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/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 [2020-12-01 16:14:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:14:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:14:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:14:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:14:31,108 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:14:31,108 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:14:31,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:31 BoogieIcfgContainer [2020-12-01 16:14:31,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:14:31,113 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:14:31,114 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:14:31,126 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:14:31,126 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:31" (1/1) ... [2020-12-01 16:14:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:14:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-12-01 16:14:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-12-01 16:14:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:14:31,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 145 states and 219 transitions. [2020-12-01 16:14:32,446 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2020-12-01 16:14:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:14:32,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 215 states and 310 transitions. [2020-12-01 16:14:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2020-12-01 16:14:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:14:33,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 220 states and 317 transitions. [2020-12-01 16:14:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 317 transitions. [2020-12-01 16:14:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:14:33,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 295 states and 395 transitions. [2020-12-01 16:14:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 395 transitions. [2020-12-01 16:14:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:14:35,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 296 states and 397 transitions. [2020-12-01 16:14:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 397 transitions. [2020-12-01 16:14:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:14:35,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:35,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:35,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 297 states and 399 transitions. [2020-12-01 16:14:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 399 transitions. [2020-12-01 16:14:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:14:35,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:35,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:35,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 300 states and 402 transitions. [2020-12-01 16:14:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 402 transitions. [2020-12-01 16:14:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:14:35,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 308 states and 417 transitions. [2020-12-01 16:14:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 417 transitions. [2020-12-01 16:14:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:14:36,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 319 states and 433 transitions. [2020-12-01 16:14:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 433 transitions. [2020-12-01 16:14:36,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:14:36,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:37,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 328 states and 450 transitions. [2020-12-01 16:14:37,797 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 450 transitions. [2020-12-01 16:14:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:14:37,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 330 states and 453 transitions. [2020-12-01 16:14:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 453 transitions. [2020-12-01 16:14:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:14:37,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 333 states and 459 transitions. [2020-12-01 16:14:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 459 transitions. [2020-12-01 16:14:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:14:38,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 334 states and 459 transitions. [2020-12-01 16:14:38,441 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 459 transitions. [2020-12-01 16:14:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:14:38,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 342 states and 470 transitions. [2020-12-01 16:14:39,145 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 470 transitions. [2020-12-01 16:14:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 16:14:39,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:39,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 349 states and 482 transitions. [2020-12-01 16:14:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 482 transitions. [2020-12-01 16:14:39,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 16:14:39,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 353 states and 487 transitions. [2020-12-01 16:14:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 487 transitions. [2020-12-01 16:14:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 16:14:40,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:40,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 354 states and 487 transitions. [2020-12-01 16:14:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 487 transitions. [2020-12-01 16:14:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:14:40,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 366 states and 508 transitions. [2020-12-01 16:14:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 508 transitions. [2020-12-01 16:14:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:14:42,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:42,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 367 states and 508 transitions. [2020-12-01 16:14:42,489 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 508 transitions. [2020-12-01 16:14:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 16:14:42,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 380 states and 525 transitions. [2020-12-01 16:14:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 525 transitions. [2020-12-01 16:14:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 16:14:42,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 383 states and 529 transitions. [2020-12-01 16:14:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 529 transitions. [2020-12-01 16:14:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 16:14:43,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:43,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 390 states and 537 transitions. [2020-12-01 16:14:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 537 transitions. [2020-12-01 16:14:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:14:43,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 391 states and 538 transitions. [2020-12-01 16:14:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 538 transitions. [2020-12-01 16:14:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:14:43,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 399 states and 547 transitions. [2020-12-01 16:14:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 547 transitions. [2020-12-01 16:14:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-01 16:14:44,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 400 states and 548 transitions. [2020-12-01 16:14:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 548 transitions. [2020-12-01 16:14:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:14:44,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:44,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 407 states and 555 transitions. [2020-12-01 16:14:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 555 transitions. [2020-12-01 16:14:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 16:14:44,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:44,772 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:45,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 424 states and 574 transitions. [2020-12-01 16:14:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 574 transitions. [2020-12-01 16:14:45,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:14:45,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 425 states and 576 transitions. [2020-12-01 16:14:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 576 transitions. [2020-12-01 16:14:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:14:45,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 435 states and 587 transitions. [2020-12-01 16:14:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 587 transitions. [2020-12-01 16:14:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-01 16:14:45,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:45,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 436 states and 589 transitions. [2020-12-01 16:14:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 589 transitions. [2020-12-01 16:14:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 16:14:45,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 445 states and 598 transitions. [2020-12-01 16:14:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 598 transitions. [2020-12-01 16:14:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 16:14:46,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 462 states and 616 transitions. [2020-12-01 16:14:46,697 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 616 transitions. [2020-12-01 16:14:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:14:46,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 463 states and 618 transitions. [2020-12-01 16:14:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 618 transitions. [2020-12-01 16:14:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:14:46,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 533 states and 706 transitions. [2020-12-01 16:14:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 706 transitions. [2020-12-01 16:14:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:14:47,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:49,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 545 states and 726 transitions. [2020-12-01 16:14:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 726 transitions. [2020-12-01 16:14:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 16:14:49,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:49,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 554 states and 735 transitions. [2020-12-01 16:14:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 735 transitions. [2020-12-01 16:14:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-01 16:14:49,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:14:49,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 557 states and 738 transitions. [2020-12-01 16:14:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 738 transitions. [2020-12-01 16:14:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:14:49,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 561 states and 743 transitions. [2020-12-01 16:14:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 743 transitions. [2020-12-01 16:14:49,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:14:49,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 562 states and 743 transitions. [2020-12-01 16:14:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 743 transitions. [2020-12-01 16:14:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:14:50,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 567 states and 750 transitions. [2020-12-01 16:14:50,635 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 750 transitions. [2020-12-01 16:14:50,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:14:50,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 568 states and 752 transitions. [2020-12-01 16:14:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 752 transitions. [2020-12-01 16:14:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:14:50,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 572 states and 756 transitions. [2020-12-01 16:14:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 756 transitions. [2020-12-01 16:14:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:14:51,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 591 states and 776 transitions. [2020-12-01 16:14:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 776 transitions. [2020-12-01 16:14:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 16:14:51,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 661 states and 848 transitions. [2020-12-01 16:14:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 848 transitions. [2020-12-01 16:14:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 16:14:53,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:14:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 665 states and 854 transitions. [2020-12-01 16:14:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 854 transitions. [2020-12-01 16:14:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 16:14:53,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:14:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 672 states and 865 transitions. [2020-12-01 16:14:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 865 transitions. [2020-12-01 16:14:54,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 16:14:54,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:14:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:54,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 673 states and 865 transitions. [2020-12-01 16:14:54,820 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 865 transitions. [2020-12-01 16:14:54,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-01 16:14:54,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:14:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 686 states and 881 transitions. [2020-12-01 16:14:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 881 transitions. [2020-12-01 16:14:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-01 16:14:55,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:56,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 703 states and 905 transitions. [2020-12-01 16:14:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 905 transitions. [2020-12-01 16:14:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-01 16:14:56,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 707 states and 909 transitions. [2020-12-01 16:14:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 909 transitions. [2020-12-01 16:14:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-01 16:14:57,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 723 states and 925 transitions. [2020-12-01 16:14:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 925 transitions. [2020-12-01 16:14:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:14:57,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:59,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 768 states and 974 transitions. [2020-12-01 16:14:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 974 transitions. [2020-12-01 16:14:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:14:59,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 769 states and 977 transitions. [2020-12-01 16:15:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 977 transitions. [2020-12-01 16:15:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:15:00,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:00,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 804 states and 1013 transitions. [2020-12-01 16:15:00,521 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1013 transitions. [2020-12-01 16:15:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-01 16:15:00,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 874 states and 1094 transitions. [2020-12-01 16:15:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1094 transitions. [2020-12-01 16:15:02,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 16:15:02,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:04,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 920 states and 1146 transitions. [2020-12-01 16:15:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1146 transitions. [2020-12-01 16:15:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 16:15:04,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:04,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:04,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 921 states and 1149 transitions. [2020-12-01 16:15:04,412 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1149 transitions. [2020-12-01 16:15:04,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 16:15:04,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:15:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 938 states and 1167 transitions. [2020-12-01 16:15:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1167 transitions. [2020-12-01 16:15:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 16:15:05,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:15:05,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 939 states and 1168 transitions. [2020-12-01 16:15:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1168 transitions. [2020-12-01 16:15:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 16:15:05,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:05,931 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:15:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 940 states and 1169 transitions. [2020-12-01 16:15:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1169 transitions. [2020-12-01 16:15:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 16:15:06,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:15:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 943 states and 1172 transitions. [2020-12-01 16:15:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1172 transitions. [2020-12-01 16:15:06,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 16:15:06,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:15:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1013 states and 1252 transitions. [2020-12-01 16:15:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1252 transitions. [2020-12-01 16:15:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:15:07,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1034 states and 1279 transitions. [2020-12-01 16:15:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1279 transitions. [2020-12-01 16:15:08,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:15:08,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1174 states and 1451 transitions. [2020-12-01 16:15:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1451 transitions. [2020-12-01 16:15:14,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:15:14,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:15:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1188 states and 1471 transitions. [2020-12-01 16:15:14,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1471 transitions. [2020-12-01 16:15:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:15:14,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:15:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1189 states and 1474 transitions. [2020-12-01 16:15:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1474 transitions. [2020-12-01 16:15:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:15:15,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 96 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1251 states and 1547 transitions. [2020-12-01 16:15:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1547 transitions. [2020-12-01 16:15:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:15:19,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 96 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:20,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1270 states and 1573 transitions. [2020-12-01 16:15:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1573 transitions. [2020-12-01 16:15:20,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:15:20,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1296 states and 1606 transitions. [2020-12-01 16:15:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1606 transitions. [2020-12-01 16:15:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 16:15:22,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:23,149 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1305 states and 1624 transitions. [2020-12-01 16:15:25,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1624 transitions. [2020-12-01 16:15:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 16:15:25,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:25,391 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:27,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1311 states and 1636 transitions. [2020-12-01 16:15:27,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1636 transitions. [2020-12-01 16:15:27,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 16:15:27,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1334 states and 1662 transitions. [2020-12-01 16:15:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1662 transitions. [2020-12-01 16:15:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 16:15:29,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:15:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1338 states and 1667 transitions. [2020-12-01 16:15:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1667 transitions. [2020-12-01 16:15:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:15:29,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1340 states and 1683 transitions. [2020-12-01 16:15:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1683 transitions. [2020-12-01 16:15:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:15:30,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1342 states and 1686 transitions. [2020-12-01 16:15:31,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1686 transitions. [2020-12-01 16:15:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:15:31,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1343 states and 1690 transitions. [2020-12-01 16:15:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1690 transitions. [2020-12-01 16:15:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:15:32,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1344 states and 1693 transitions. [2020-12-01 16:15:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1693 transitions. [2020-12-01 16:15:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:15:32,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1407 states and 1763 transitions. [2020-12-01 16:15:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1763 transitions. [2020-12-01 16:15:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:15:38,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1425 states and 1786 transitions. [2020-12-01 16:15:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1786 transitions. [2020-12-01 16:15:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-12-01 16:15:41,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 96 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:15:46,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1455 states and 1837 transitions. [2020-12-01 16:15:46,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1837 transitions. [2020-12-01 16:15:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-12-01 16:15:46,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1465 states and 1847 transitions. [2020-12-01 16:15:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1847 transitions. [2020-12-01 16:15:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-12-01 16:15:46,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 16:15:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:48,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1490 states and 1877 transitions. [2020-12-01 16:15:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1877 transitions. [2020-12-01 16:15:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:15:48,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:15:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1495 states and 1885 transitions. [2020-12-01 16:15:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1885 transitions. [2020-12-01 16:15:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:15:49,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 16:15:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1496 states and 1886 transitions. [2020-12-01 16:15:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1886 transitions. [2020-12-01 16:15:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 16:15:50,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 133 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:15:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1506 states and 1897 transitions. [2020-12-01 16:15:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1897 transitions. [2020-12-01 16:15:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-01 16:15:52,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:15:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:54,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1521 states and 1920 transitions. [2020-12-01 16:15:54,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1920 transitions. [2020-12-01 16:15:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-01 16:15:54,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:15:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1522 states and 1920 transitions. [2020-12-01 16:15:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1920 transitions. [2020-12-01 16:15:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 16:15:54,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 16:15:54,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1538 states and 1936 transitions. [2020-12-01 16:15:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1936 transitions. [2020-12-01 16:15:54,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:15:54,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-12-01 16:15:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1539 states and 1938 transitions. [2020-12-01 16:15:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1938 transitions. [2020-12-01 16:15:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:15:55,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:15:58,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1567 states and 1975 transitions. [2020-12-01 16:15:58,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1975 transitions. [2020-12-01 16:15:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:15:58,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:15:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1568 states and 1978 transitions. [2020-12-01 16:15:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1978 transitions. [2020-12-01 16:15:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:15:58,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:15:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:15:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1573 states and 1983 transitions. [2020-12-01 16:15:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1983 transitions. [2020-12-01 16:15:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-12-01 16:15:58,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:15:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:15:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:16:00,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 1594 states and 2007 transitions. [2020-12-01 16:16:00,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2007 transitions. [2020-12-01 16:16:00,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 16:16:00,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:16:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1620 states and 2038 transitions. [2020-12-01 16:16:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2038 transitions. [2020-12-01 16:16:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 16:16:02,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 16:16:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1621 states and 2039 transitions. [2020-12-01 16:16:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 2039 transitions. [2020-12-01 16:16:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-01 16:16:03,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-01 16:16:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1626 states and 2044 transitions. [2020-12-01 16:16:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2044 transitions. [2020-12-01 16:16:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:03,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 1662 states and 2098 transitions. [2020-12-01 16:16:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2098 transitions. [2020-12-01 16:16:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:09,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1681 states and 2135 transitions. [2020-12-01 16:16:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2135 transitions. [2020-12-01 16:16:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:13,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1688 states and 2145 transitions. [2020-12-01 16:16:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2145 transitions. [2020-12-01 16:16:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:14,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:14,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1689 states and 2146 transitions. [2020-12-01 16:16:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2146 transitions. [2020-12-01 16:16:14,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:14,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1699 states and 2156 transitions. [2020-12-01 16:16:16,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2156 transitions. [2020-12-01 16:16:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:16,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1717 states and 2173 transitions. [2020-12-01 16:16:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2173 transitions. [2020-12-01 16:16:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:17,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1724 states and 2180 transitions. [2020-12-01 16:16:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2180 transitions. [2020-12-01 16:16:18,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:18,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1742 states and 2197 transitions. [2020-12-01 16:16:19,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2197 transitions. [2020-12-01 16:16:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:19,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1751 states and 2207 transitions. [2020-12-01 16:16:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2207 transitions. [2020-12-01 16:16:21,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:21,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:16:23,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1760 states and 2216 transitions. [2020-12-01 16:16:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2216 transitions. [2020-12-01 16:16:23,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:23,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:28,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1828 states and 2290 transitions. [2020-12-01 16:16:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2290 transitions. [2020-12-01 16:16:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:28,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1833 states and 2296 transitions. [2020-12-01 16:16:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2296 transitions. [2020-12-01 16:16:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:16:29,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1847 states and 2312 transitions. [2020-12-01 16:16:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2312 transitions. [2020-12-01 16:16:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:16:31,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1849 states and 2318 transitions. [2020-12-01 16:16:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2318 transitions. [2020-12-01 16:16:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:16:32,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:16:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:33,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1850 states and 2319 transitions. [2020-12-01 16:16:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2319 transitions. [2020-12-01 16:16:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 16:16:33,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 16:16:34,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1871 states and 2341 transitions. [2020-12-01 16:16:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2341 transitions. [2020-12-01 16:16:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 16:16:34,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:16:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1954 states and 2434 transitions. [2020-12-01 16:16:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2434 transitions. [2020-12-01 16:16:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-01 16:16:36,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:16:37,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 1955 states and 2442 transitions. [2020-12-01 16:16:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2442 transitions. [2020-12-01 16:16:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-12-01 16:16:37,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-12-01 16:16:38,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 1956 states and 2456 transitions. [2020-12-01 16:16:38,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2456 transitions. [2020-12-01 16:16:38,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:16:38,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:16:52,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2048 states and 2565 transitions. [2020-12-01 16:16:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2565 transitions. [2020-12-01 16:16:52,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:16:52,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:16:55,875 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-01 16:17:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2117 states and 2642 transitions. [2020-12-01 16:17:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2642 transitions. [2020-12-01 16:17:02,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:17:02,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:17:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2132 states and 2659 transitions. [2020-12-01 16:17:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2659 transitions. [2020-12-01 16:17:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:17:03,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:17:06,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:06,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2142 states and 2668 transitions. [2020-12-01 16:17:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2668 transitions. [2020-12-01 16:17:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:17:06,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:17:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2144 states and 2670 transitions. [2020-12-01 16:17:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2670 transitions. [2020-12-01 16:17:08,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:17:08,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:17:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2164 states and 2693 transitions. [2020-12-01 16:17:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 2693 transitions. [2020-12-01 16:17:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:17:13,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:17:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2175 states and 2702 transitions. [2020-12-01 16:17:16,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2702 transitions. [2020-12-01 16:17:16,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-12-01 16:17:16,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 162 proven. 94 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:17:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2209 states and 2764 transitions. [2020-12-01 16:17:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2764 transitions. [2020-12-01 16:17:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-12-01 16:17:27,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-12-01 16:17:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2280 states and 2839 transitions. [2020-12-01 16:17:33,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2839 transitions. [2020-12-01 16:17:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 16:17:33,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 202 proven. 114 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-01 16:17:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2221 states and 2783 transitions. [2020-12-01 16:17:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2783 transitions. [2020-12-01 16:17:37,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:17:37,214 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 126 iterations. [2020-12-01 16:17:37,225 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:17:37,536 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 20 [2020-12-01 16:17:37,746 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:38,133 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2020-12-01 16:17:38,351 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:38,596 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:38,967 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 20 [2020-12-01 16:17:39,200 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 20 [2020-12-01 16:17:39,818 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2020-12-01 16:17:40,050 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 20 [2020-12-01 16:17:40,303 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:40,557 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:40,789 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 20 [2020-12-01 16:17:41,037 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 20 [2020-12-01 16:17:41,274 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:41,493 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:41,738 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:42,104 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2020-12-01 16:17:42,311 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:42,730 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 20 [2020-12-01 16:17:42,958 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 20 [2020-12-01 16:17:43,219 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:43,649 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2020-12-01 16:17:43,870 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:44,208 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2020-12-01 16:17:44,578 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2020-12-01 16:17:44,776 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:45,167 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2020-12-01 16:17:45,415 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 20 [2020-12-01 16:17:45,726 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 20 [2020-12-01 16:17:45,952 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 20 [2020-12-01 16:17:46,309 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2020-12-01 16:17:46,547 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:46,766 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 20 [2020-12-01 16:17:46,993 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 20 [2020-12-01 16:17:47,295 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 20 [2020-12-01 16:17:47,574 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 20 [2020-12-01 16:17:48,001 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 20 [2020-12-01 16:17:48,217 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:48,339 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2020-12-01 16:17:48,585 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2020-12-01 16:17:48,793 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:49,017 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:49,217 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:49,526 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2020-12-01 16:17:50,044 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 20 [2020-12-01 16:17:50,401 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 20 [2020-12-01 16:17:50,567 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2020-12-01 16:17:50,785 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 20 [2020-12-01 16:17:51,158 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2020-12-01 16:17:51,491 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2020-12-01 16:17:51,719 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:51,960 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2020-12-01 16:17:52,305 WARN L197 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2020-12-01 16:17:52,538 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:52,904 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 20 [2020-12-01 16:17:53,328 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2020-12-01 16:17:53,549 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-01 16:17:53,912 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2020-12-01 16:17:54,318 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2020-12-01 16:17:54,702 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2020-12-01 16:17:54,912 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 20 [2020-12-01 16:17:55,139 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2020-12-01 16:17:55,490 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 20 [2020-12-01 16:17:55,858 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 20 [2020-12-01 16:17:56,249 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 20 [2020-12-01 16:17:56,422 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 20 [2020-12-01 16:17:56,717 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2020-12-01 16:17:56,899 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 20 [2020-12-01 16:17:57,218 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2020-12-01 16:17:57,431 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 20 [2020-12-01 16:17:57,673 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 20 [2020-12-01 16:17:57,673 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 16:17:57,688 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:57,688 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 16:17:57,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:17:57 ImpRootNode [2020-12-01 16:17:57,691 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:17:57,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:17:57,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:17:57,691 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:17:57,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:31" (3/4) ... [2020-12-01 16:17:57,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:17:57,733 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2020-12-01 16:17:57,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 16:17:57,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 16:17:57,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 16:17:57,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5964820d-b67c-4c73-a71c-af61ed88c643/bin/ukojak/witness.graphml [2020-12-01 16:17:57,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:17:57,910 INFO L168 Benchmark]: Toolchain (without parser) took 210103.31 ms. Allocated memory was 142.6 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 112.6 MB in the beginning and 1.0 GB in the end (delta: -935.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2020-12-01 16:17:57,910 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 44.3 MB in the beginning and 44.3 MB in the end (delta: 72.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:57,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.46 ms. Allocated memory is still 142.6 MB. Free memory was 112.6 MB in the beginning and 103.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:57,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.15 ms. Allocated memory is still 142.6 MB. Free memory was 103.3 MB in the beginning and 97.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:57,911 INFO L168 Benchmark]: Boogie Preprocessor took 93.51 ms. Allocated memory is still 142.6 MB. Free memory was 97.8 MB in the beginning and 93.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:57,912 INFO L168 Benchmark]: RCFGBuilder took 2342.31 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 93.2 MB in the beginning and 122.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 58.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:57,913 INFO L168 Benchmark]: CodeCheck took 206578.08 ms. Allocated memory was 201.3 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 122.7 MB in the beginning and 1.1 GB in the end (delta: -940.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2020-12-01 16:17:57,914 INFO L168 Benchmark]: Witness Printer took 217.66 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:57,916 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: 186.0s, OverallIterations: 126, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1068056 SDtfs, 521498918 SDslu, 6681232 SDs, 0 SdLazy, -1607795954 SolverSat, -685386960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 693.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128585 GetRequests, 122796 SyntacticMatches, 4715 SemanticMatches, 1074 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834474 ImplicationChecksByTransitivity, 152.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 18236 NumberOfCodeBlocks, 18236 NumberOfCodeBlocksAsserted, 125 NumberOfCheckSat, 18111 ConstructedInterpolants, 0 QuantifiedInterpolants, 14565756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 125 InterpolantComputations, 96 PerfectInterpolantSequences, 13329/14850 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: ((((a16 == 6 || !(a8 == 13)) || !(a21 == 1)) || a16 == 4) || !(a20 == 1)) || a17 == 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((a16 == 6 || !(a8 == 13)) || !(a21 == 1)) || a16 == 4) || !(a20 == 1)) || a17 == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 44.3 MB in the beginning and 44.3 MB in the end (delta: 72.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 717.46 ms. Allocated memory is still 142.6 MB. Free memory was 112.6 MB in the beginning and 103.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 134.15 ms. Allocated memory is still 142.6 MB. Free memory was 103.3 MB in the beginning and 97.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.51 ms. Allocated memory is still 142.6 MB. Free memory was 97.8 MB in the beginning and 93.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2342.31 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 93.2 MB in the beginning and 122.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 58.0 MB. Max. memory is 16.1 GB. * CodeCheck took 206578.08 ms. Allocated memory was 201.3 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 122.7 MB in the beginning and 1.1 GB in the end (delta: -940.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. * Witness Printer took 217.66 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.7 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...