./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label34.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_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label34.c -s /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/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 7d383be3b45c63d6b7da78462a154ab6c2d74592 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:20:27,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:20:27,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:20:27,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:20:27,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:20:27,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:20:27,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:20:27,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:20:27,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:20:27,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:20:27,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:20:27,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:20:27,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:20:27,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:20:27,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:20:27,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:20:27,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:20:27,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:20:27,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:20:27,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:20:27,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:20:27,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:20:27,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:20:27,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:20:27,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:20:27,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:20:27,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:20:27,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:20:27,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:20:27,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:20:27,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:20:27,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:20:27,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:20:27,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:20:27,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:20:27,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:20:27,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:20:27,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:20:27,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:20:27,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:20:27,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:20:27,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:20:27,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:20:27,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:20:27,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:20:27,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:20:27,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:20:27,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:20:27,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:20:27,504 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:20:27,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:20:27,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:20:27,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:20:27,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:20:27,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:20:27,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:20:27,507 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:20:27,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:20:27,507 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:20:27,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:20:27,507 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:20:27,507 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:20:27,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:20:27,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:20:27,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:20:27,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:20:27,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:20:27,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:20:27,509 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:20:27,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:20:27,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:20:27,511 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_962e7318-6005-465a-8b66-ed10ea683a02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d383be3b45c63d6b7da78462a154ab6c2d74592 [2020-12-01 18:20:27,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:20:27,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:20:27,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:20:27,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:20:27,852 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:20:27,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label34.c [2020-12-01 18:20:27,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/data/273e0eea4/6169c510debf47c5a4c39eaa8ecebbb5/FLAGe277992ee [2020-12-01 18:20:28,532 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:20:28,532 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/sv-benchmarks/c/eca-rers2012/Problem01_label34.c [2020-12-01 18:20:28,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/data/273e0eea4/6169c510debf47c5a4c39eaa8ecebbb5/FLAGe277992ee [2020-12-01 18:20:28,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/data/273e0eea4/6169c510debf47c5a4c39eaa8ecebbb5 [2020-12-01 18:20:28,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:20:28,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:20:28,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:20:28,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:20:28,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:20:28,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:20:28" (1/1) ... [2020-12-01 18:20:28,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b6722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:28, skipping insertion in model container [2020-12-01 18:20:28,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:20:28" (1/1) ... [2020-12-01 18:20:28,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:20:28,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:20:29,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:20:29,406 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:20:29,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:20:29,572 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:20:29,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29 WrapperNode [2020-12-01 18:20:29,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:20:29,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:20:29,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:20:29,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:20:29,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:20:29,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:20:29,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:20:29,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:20:29,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... [2020-12-01 18:20:29,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:20:29,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:20:29,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:20:29,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:20:29,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:20:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/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 18:20:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:20:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:20:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:20:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:20:32,234 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:20:32,234 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:20:32,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:32 BoogieIcfgContainer [2020-12-01 18:20:32,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:20:32,238 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:20:32,239 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:20:32,249 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:20:32,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:32" (1/1) ... [2020-12-01 18:20:32,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:20:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-12-01 18:20:32,309 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-12-01 18:20:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 18:20:32,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:32,853 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 18:20:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2020-12-01 18:20:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2020-12-01 18:20:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 18:20:33,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:33,758 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 18:20:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 214 states and 297 transitions. [2020-12-01 18:20:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 297 transitions. [2020-12-01 18:20:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 18:20:34,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:34,928 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 18:20:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 367 transitions. [2020-12-01 18:20:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2020-12-01 18:20:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 18:20:35,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:35,934 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 18:20:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:36,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 294 states and 380 transitions. [2020-12-01 18:20:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 380 transitions. [2020-12-01 18:20:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-01 18:20:36,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:20:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 303 states and 391 transitions. [2020-12-01 18:20:36,858 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 391 transitions. [2020-12-01 18:20:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 18:20:36,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 18:20:37,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 316 states and 407 transitions. [2020-12-01 18:20:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 407 transitions. [2020-12-01 18:20:37,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 18:20:37,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 327 states and 420 transitions. [2020-12-01 18:20:37,977 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 420 transitions. [2020-12-01 18:20:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 18:20:37,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:38,071 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 18:20:38,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 344 states and 439 transitions. [2020-12-01 18:20:38,534 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 439 transitions. [2020-12-01 18:20:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-01 18:20:38,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:20:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:39,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 373 states and 470 transitions. [2020-12-01 18:20:39,719 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 470 transitions. [2020-12-01 18:20:39,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 18:20:39,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:39,903 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 18:20:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 421 states and 523 transitions. [2020-12-01 18:20:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 523 transitions. [2020-12-01 18:20:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 18:20:41,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 18:20:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 424 states and 527 transitions. [2020-12-01 18:20:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 527 transitions. [2020-12-01 18:20:41,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 18:20:41,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:41,579 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 18:20:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 454 states and 560 transitions. [2020-12-01 18:20:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 560 transitions. [2020-12-01 18:20:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 18:20:42,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 18:20:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 469 states and 577 transitions. [2020-12-01 18:20:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 577 transitions. [2020-12-01 18:20:43,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 18:20:43,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:20:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 470 states and 577 transitions. [2020-12-01 18:20:43,406 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 577 transitions. [2020-12-01 18:20:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 18:20:43,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 507 states and 618 transitions. [2020-12-01 18:20:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 618 transitions. [2020-12-01 18:20:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 18:20:44,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 18:20:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:46,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 553 states and 666 transitions. [2020-12-01 18:20:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 666 transitions. [2020-12-01 18:20:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 18:20:46,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:46,657 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 18:20:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 562 states and 678 transitions. [2020-12-01 18:20:47,200 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 678 transitions. [2020-12-01 18:20:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 18:20:47,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:47,310 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 18:20:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:47,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 564 states and 679 transitions. [2020-12-01 18:20:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 679 transitions. [2020-12-01 18:20:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-12-01 18:20:47,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:20:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 573 states and 691 transitions. [2020-12-01 18:20:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 691 transitions. [2020-12-01 18:20:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-12-01 18:20:48,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:48,121 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 18:20:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 598 states and 715 transitions. [2020-12-01 18:20:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 715 transitions. [2020-12-01 18:20:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 18:20:48,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:48,838 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 18:20:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 607 states and 725 transitions. [2020-12-01 18:20:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 725 transitions. [2020-12-01 18:20:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 18:20:49,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:49,242 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 18:20:49,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:49,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 637 states and 759 transitions. [2020-12-01 18:20:49,634 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 759 transitions. [2020-12-01 18:20:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 18:20:49,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:20:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 662 states and 784 transitions. [2020-12-01 18:20:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 784 transitions. [2020-12-01 18:20:50,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 18:20:50,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 701 states and 828 transitions. [2020-12-01 18:20:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 828 transitions. [2020-12-01 18:20:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 18:20:51,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:51,424 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 18:20:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 780 states and 918 transitions. [2020-12-01 18:20:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 918 transitions. [2020-12-01 18:20:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 18:20:53,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 895 states and 1057 transitions. [2020-12-01 18:20:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1057 transitions. [2020-12-01 18:20:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 18:20:58,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 910 states and 1074 transitions. [2020-12-01 18:20:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1074 transitions. [2020-12-01 18:20:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 18:20:59,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:59,150 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 18:20:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 912 states and 1075 transitions. [2020-12-01 18:20:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1075 transitions. [2020-12-01 18:20:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 18:20:59,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:59,471 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 18:21:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1029 states and 1210 transitions. [2020-12-01 18:21:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1210 transitions. [2020-12-01 18:21:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 18:21:02,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:21:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1046 states and 1227 transitions. [2020-12-01 18:21:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1227 transitions. [2020-12-01 18:21:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 18:21:02,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:21:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1062 states and 1245 transitions. [2020-12-01 18:21:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1245 transitions. [2020-12-01 18:21:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 18:21:03,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:21:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:04,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1077 states and 1261 transitions. [2020-12-01 18:21:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1261 transitions. [2020-12-01 18:21:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 18:21:04,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-12-01 18:21:06,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:06,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1147 states and 1333 transitions. [2020-12-01 18:21:06,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1333 transitions. [2020-12-01 18:21:06,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 18:21:06,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:06,894 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 18:21:06,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1148 states and 1333 transitions. [2020-12-01 18:21:06,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1333 transitions. [2020-12-01 18:21:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 18:21:06,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 18:21:08,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1170 states and 1356 transitions. [2020-12-01 18:21:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1356 transitions. [2020-12-01 18:21:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-12-01 18:21:08,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 324 proven. 51 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 18:21:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1247 states and 1452 transitions. [2020-12-01 18:21:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1452 transitions. [2020-12-01 18:21:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-12-01 18:21:10,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-12-01 18:21:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1288 states and 1493 transitions. [2020-12-01 18:21:12,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1493 transitions. [2020-12-01 18:21:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-12-01 18:21:12,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-12-01 18:21:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1313 states and 1523 transitions. [2020-12-01 18:21:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1523 transitions. [2020-12-01 18:21:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-12-01 18:21:13,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 277 proven. 68 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 18:21:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1334 states and 1543 transitions. [2020-12-01 18:21:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1543 transitions. [2020-12-01 18:21:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-01 18:21:14,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-12-01 18:21:14,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1336 states and 1546 transitions. [2020-12-01 18:21:14,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1546 transitions. [2020-12-01 18:21:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-12-01 18:21:14,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 385 proven. 83 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 18:21:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1432 states and 1649 transitions. [2020-12-01 18:21:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1649 transitions. [2020-12-01 18:21:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-01 18:21:17,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 356 proven. 86 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 18:21:19,435 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-12-01 18:21:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1527 states and 1755 transitions. [2020-12-01 18:21:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1755 transitions. [2020-12-01 18:21:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-12-01 18:21:20,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 400 proven. 88 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 18:21:21,644 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-12-01 18:21:22,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1601 states and 1831 transitions. [2020-12-01 18:21:22,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1831 transitions. [2020-12-01 18:21:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-12-01 18:21:22,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 18:21:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1642 states and 1879 transitions. [2020-12-01 18:21:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1879 transitions. [2020-12-01 18:21:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-12-01 18:21:23,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 355 proven. 101 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-12-01 18:21:24,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1651 states and 1888 transitions. [2020-12-01 18:21:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1888 transitions. [2020-12-01 18:21:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-12-01 18:21:24,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 18:21:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1667 states and 1906 transitions. [2020-12-01 18:21:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1906 transitions. [2020-12-01 18:21:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-12-01 18:21:25,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 453 proven. 24 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-12-01 18:21:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1668 states and 1907 transitions. [2020-12-01 18:21:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 1907 transitions. [2020-12-01 18:21:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-12-01 18:21:26,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 434 proven. 103 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 18:21:28,770 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-01 18:21:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1795 states and 2050 transitions. [2020-12-01 18:21:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2050 transitions. [2020-12-01 18:21:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 18:21:29,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-01 18:21:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1856 states and 2119 transitions. [2020-12-01 18:21:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2119 transitions. [2020-12-01 18:21:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 18:21:32,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:32,719 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-01 18:21:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1861 states and 2125 transitions. [2020-12-01 18:21:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2125 transitions. [2020-12-01 18:21:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-12-01 18:21:33,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:33,598 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 614 proven. 153 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 18:21:35,416 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-12-01 18:21:35,802 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-12-01 18:21:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1843 states and 2101 transitions. [2020-12-01 18:21:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2101 transitions. [2020-12-01 18:21:36,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:21:36,423 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2020-12-01 18:21:36,434 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:21:36,737 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-12-01 18:21:36,913 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:37,163 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-12-01 18:21:37,337 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:37,576 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:37,839 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-12-01 18:21:38,011 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:38,256 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-12-01 18:21:38,436 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-12-01 18:21:38,676 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2020-12-01 18:21:38,885 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2020-12-01 18:21:39,110 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-12-01 18:21:39,377 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:39,629 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:39,820 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:40,089 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2020-12-01 18:21:40,358 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-12-01 18:21:40,541 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:40,798 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2020-12-01 18:21:40,982 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-12-01 18:21:41,187 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2020-12-01 18:21:41,436 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-12-01 18:21:41,679 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:41,986 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-12-01 18:21:42,230 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-12-01 18:21:42,406 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:42,654 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-12-01 18:21:42,858 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 35 [2020-12-01 18:21:43,099 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-12-01 18:21:43,282 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-12-01 18:21:43,530 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-12-01 18:21:43,774 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2020-12-01 18:21:43,949 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:44,132 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-12-01 18:21:44,372 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-12-01 18:21:44,595 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:44,849 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-12-01 18:21:45,025 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:45,256 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:45,428 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:45,654 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:45,832 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:46,083 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-12-01 18:21:46,334 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-12-01 18:21:46,572 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-12-01 18:21:46,752 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-12-01 18:21:46,996 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-12-01 18:21:47,255 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2020-12-01 18:21:47,483 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:47,711 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:47,958 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-12-01 18:21:48,191 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:48,471 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-12-01 18:21:48,709 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-12-01 18:21:48,881 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:49,129 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-12-01 18:21:49,397 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2020-12-01 18:21:49,650 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-12-01 18:21:49,832 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-12-01 18:21:50,059 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:50,302 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2020-12-01 18:21:50,562 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2020-12-01 18:21:50,818 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2020-12-01 18:21:50,992 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:51,278 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2020-12-01 18:21:51,453 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-12-01 18:21:51,686 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 34 [2020-12-01 18:21:51,874 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-12-01 18:21:52,106 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 18:21:52,107 INFO L569 CodeCheckObserver]: Invariant with dag size 35 [2020-12-01 18:21:52,122 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:21:52,122 INFO L569 CodeCheckObserver]: Invariant with dag size 34 [2020-12-01 18:21:52,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:21:52 ImpRootNode [2020-12-01 18:21:52,125 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:21:52,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:21:52,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:21:52,126 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:21:52,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:32" (3/4) ... [2020-12-01 18:21:52,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:21:52,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2020-12-01 18:21:52,167 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-01 18:21:52,169 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 18:21:52,170 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 18:21:52,361 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_962e7318-6005-465a-8b66-ed10ea683a02/bin/ukojak/witness.graphml [2020-12-01 18:21:52,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:21:52,362 INFO L168 Benchmark]: Toolchain (without parser) took 83560.78 ms. Allocated memory was 100.7 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 66.8 MB in the beginning and 638.6 MB in the end (delta: -571.8 MB). Peak memory consumption was 773.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:52,363 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory was 34.5 MB in the beginning and 34.5 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:21:52,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.34 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 60.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:52,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.68 ms. Allocated memory is still 100.7 MB. Free memory was 60.2 MB in the beginning and 54.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:52,364 INFO L168 Benchmark]: Boogie Preprocessor took 93.45 ms. Allocated memory is still 100.7 MB. Free memory was 54.4 MB in the beginning and 50.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:52,364 INFO L168 Benchmark]: RCFGBuilder took 2469.19 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 50.2 MB in the beginning and 99.1 MB in the end (delta: -48.9 MB). Peak memory consumption was 69.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:52,365 INFO L168 Benchmark]: CodeCheck took 79887.10 ms. Allocated memory was 155.2 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 99.1 MB in the beginning and 653.3 MB in the end (delta: -554.2 MB). Peak memory consumption was 856.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:52,366 INFO L168 Benchmark]: Witness Printer took 235.37 ms. Allocated memory is still 1.4 GB. Free memory was 653.3 MB in the beginning and 638.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:52,368 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: 64.1s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1307296184 SDtfs, -1823221032 SDslu, 956400578 SDs, 0 SdLazy, 218211098 SolverSat, -891375704 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 235.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69895 GetRequests, 66576 SyntacticMatches, 2887 SemanticMatches, 432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149270 ImplicationChecksByTransitivity, 40.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 10328 NumberOfCodeBlocks, 10328 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 10277 ConstructedInterpolants, 0 QuantifiedInterpolants, 12972960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 33 PerfectInterpolantSequences, 12085/13448 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((a12 == 8 && a8 == 13) && a20 == 1) && a16 == 4) && a17 == 1) || ((((a12 == 8 && a8 == 15) && a20 == 1) && 5 == a16) && a17 == 1)) || ((((!(a17 == 1) && a12 == 8) && a8 == 15) && 5 == a16) && !(a20 == 1))) || (((14 == a8 && !(a17 == 1)) && a12 == 8) && 5 == a16)) || !(a21 == 1)) || !(a7 == 1)) || ((((!(a17 == 1) && a12 == 8) && a8 == 15) && a16 == 4) && !(a20 == 1))) || ((((14 == a8 && !(a17 == 1)) && a12 == 8) && a16 == 4) && !(a20 == 1)) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((a12 == 8 && a8 == 13) && a20 == 1) && a16 == 4) && a17 == 1) || ((((!(a17 == 1) && a12 == 8) && a8 == 15) && 5 == a16) && !(a20 == 1))) || (((14 == a8 && !(a17 == 1)) && a12 == 8) && 5 == a16)) || !(a21 == 1)) || !(a7 == 1)) || ((((!(a17 == 1) && a12 == 8) && a8 == 15) && a16 == 4) && !(a20 == 1))) || ((((14 == a8 && !(a17 == 1)) && a12 == 8) && a16 == 4) && !(a20 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory was 34.5 MB in the beginning and 34.5 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 767.34 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 60.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.68 ms. Allocated memory is still 100.7 MB. Free memory was 60.2 MB in the beginning and 54.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.45 ms. Allocated memory is still 100.7 MB. Free memory was 54.4 MB in the beginning and 50.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2469.19 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 50.2 MB in the beginning and 99.1 MB in the end (delta: -48.9 MB). Peak memory consumption was 69.1 MB. Max. memory is 16.1 GB. * CodeCheck took 79887.10 ms. Allocated memory was 155.2 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 99.1 MB in the beginning and 653.3 MB in the end (delta: -554.2 MB). Peak memory consumption was 856.2 MB. Max. memory is 16.1 GB. * Witness Printer took 235.37 ms. Allocated memory is still 1.4 GB. Free memory was 653.3 MB in the beginning and 638.6 MB 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...