./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/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 4a525aa37d40889eb24e6cfe05fc1bbc60528354 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:16:27,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:16:28,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:16:28,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:16:28,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:16:28,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:16:28,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:16:28,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:16:28,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:16:28,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:16:28,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:16:28,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:16:28,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:16:28,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:16:28,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:16:28,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:16:28,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:16:28,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:16:28,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:16:28,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:16:28,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:16:28,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:16:28,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:16:28,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:16:28,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:16:28,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:16:28,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:16:28,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:16:28,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:16:28,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:16:28,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:16:28,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:16:28,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:16:28,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:16:28,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:16:28,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:16:28,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:16:28,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:16:28,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:16:28,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:16:28,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:16:28,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 22:16:28,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:16:28,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:16:28,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:16:28,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:16:28,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:16:28,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:16:28,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:16:28,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:16:28,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:16:28,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:16:28,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:16:28,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:16:28,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:16:28,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:16:28,187 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:16:28,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:16:28,188 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:16:28,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:16:28,188 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:16:28,188 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:16:28,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:16:28,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:16:28,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:16:28,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:16:28,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:16:28,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:16:28,190 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:16:28,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:16:28,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:16:28,191 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_b59b5155-7f6d-4dad-8008-27d265822d39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a525aa37d40889eb24e6cfe05fc1bbc60528354 [2020-11-29 22:16:28,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:16:28,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:16:28,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:16:28,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:16:28,525 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:16:28,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2020-11-29 22:16:28,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/data/7ab6f5bf1/152e9ca1b0c9466ca4bd7efdee287679/FLAGcc01a6118 [2020-11-29 22:16:29,341 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:16:29,342 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2020-11-29 22:16:29,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/data/7ab6f5bf1/152e9ca1b0c9466ca4bd7efdee287679/FLAGcc01a6118 [2020-11-29 22:16:29,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/data/7ab6f5bf1/152e9ca1b0c9466ca4bd7efdee287679 [2020-11-29 22:16:29,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:16:29,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:16:29,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:16:29,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:16:29,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:16:29,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:16:29" (1/1) ... [2020-11-29 22:16:29,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac44858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:29, skipping insertion in model container [2020-11-29 22:16:29,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:16:29" (1/1) ... [2020-11-29 22:16:29,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:16:29,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:16:30,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:16:30,227 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:16:30,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:16:30,436 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:16:30,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30 WrapperNode [2020-11-29 22:16:30,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:16:30,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:16:30,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:16:30,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:16:30,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:16:30,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:16:30,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:16:30,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:16:30,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... [2020-11-29 22:16:30,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:16:30,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:16:30,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:16:30,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:16:30,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:16:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:16:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:16:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:16:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:16:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:16:33,554 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:16:33,554 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:16:33,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:16:33 BoogieIcfgContainer [2020-11-29 22:16:33,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:16:33,558 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 22:16:33,558 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 22:16:33,570 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 22:16:33,570 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:16:33" (1/1) ... [2020-11-29 22:16:33,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:16:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-11-29 22:16:33,663 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-11-29 22:16:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-29 22:16:33,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:34,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2020-11-29 22:16:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2020-11-29 22:16:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 22:16:35,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 214 states and 297 transitions. [2020-11-29 22:16:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 297 transitions. [2020-11-29 22:16:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 22:16:36,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:37,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 367 transitions. [2020-11-29 22:16:37,702 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2020-11-29 22:16:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-29 22:16:37,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:38,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 294 states and 380 transitions. [2020-11-29 22:16:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 380 transitions. [2020-11-29 22:16:38,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-29 22:16:38,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:16:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 303 states and 391 transitions. [2020-11-29 22:16:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 391 transitions. [2020-11-29 22:16:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 22:16:38,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 22:16:39,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 316 states and 407 transitions. [2020-11-29 22:16:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 407 transitions. [2020-11-29 22:16:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-29 22:16:39,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 327 states and 420 transitions. [2020-11-29 22:16:40,167 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 420 transitions. [2020-11-29 22:16:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 22:16:40,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:16:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:40,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 344 states and 439 transitions. [2020-11-29 22:16:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 439 transitions. [2020-11-29 22:16:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-29 22:16:40,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:16:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 373 states and 470 transitions. [2020-11-29 22:16:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 470 transitions. [2020-11-29 22:16:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-29 22:16:42,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:16:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 421 states and 523 transitions. [2020-11-29 22:16:43,777 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 523 transitions. [2020-11-29 22:16:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-29 22:16:43,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:43,850 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:16:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 424 states and 527 transitions. [2020-11-29 22:16:44,217 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 527 transitions. [2020-11-29 22:16:44,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-29 22:16:44,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-29 22:16:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 454 states and 560 transitions. [2020-11-29 22:16:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 560 transitions. [2020-11-29 22:16:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-29 22:16:45,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-29 22:16:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 501 states and 623 transitions. [2020-11-29 22:16:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 623 transitions. [2020-11-29 22:16:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-29 22:16:47,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:16:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 502 states and 623 transitions. [2020-11-29 22:16:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 623 transitions. [2020-11-29 22:16:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-29 22:16:47,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 539 states and 665 transitions. [2020-11-29 22:16:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 665 transitions. [2020-11-29 22:16:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-29 22:16:48,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:16:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 585 states and 714 transitions. [2020-11-29 22:16:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 714 transitions. [2020-11-29 22:16:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-29 22:16:50,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:51,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 594 states and 726 transitions. [2020-11-29 22:16:51,303 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 726 transitions. [2020-11-29 22:16:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-29 22:16:51,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:16:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 596 states and 727 transitions. [2020-11-29 22:16:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 727 transitions. [2020-11-29 22:16:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-29 22:16:51,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 22:16:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 605 states and 739 transitions. [2020-11-29 22:16:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 739 transitions. [2020-11-29 22:16:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-29 22:16:52,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:52,302 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 22:16:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:53,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 630 states and 764 transitions. [2020-11-29 22:16:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 764 transitions. [2020-11-29 22:16:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-29 22:16:53,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-29 22:16:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 639 states and 774 transitions. [2020-11-29 22:16:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 774 transitions. [2020-11-29 22:16:53,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-29 22:16:53,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-29 22:16:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 670 states and 810 transitions. [2020-11-29 22:16:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 810 transitions. [2020-11-29 22:16:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-29 22:16:54,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-29 22:16:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 686 states and 831 transitions. [2020-11-29 22:16:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 831 transitions. [2020-11-29 22:16:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-29 22:16:55,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:55,908 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 22:16:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 711 states and 857 transitions. [2020-11-29 22:16:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 857 transitions. [2020-11-29 22:16:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-29 22:16:56,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-11-29 22:16:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 714 states and 860 transitions. [2020-11-29 22:16:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 860 transitions. [2020-11-29 22:16:56,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-29 22:16:56,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:57,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 752 states and 902 transitions. [2020-11-29 22:16:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 902 transitions. [2020-11-29 22:16:57,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-29 22:16:57,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:16:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 769 states and 926 transitions. [2020-11-29 22:16:58,595 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 926 transitions. [2020-11-29 22:16:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-29 22:16:58,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:16:58,753 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 22:16:59,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:16:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 786 states and 946 transitions. [2020-11-29 22:16:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 946 transitions. [2020-11-29 22:16:59,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-29 22:16:59,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:16:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:17:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 901 states and 1079 transitions. [2020-11-29 22:17:03,292 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1079 transitions. [2020-11-29 22:17:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-29 22:17:03,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:03,461 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:17:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 916 states and 1094 transitions. [2020-11-29 22:17:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1094 transitions. [2020-11-29 22:17:04,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-29 22:17:04,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:17:04,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 918 states and 1095 transitions. [2020-11-29 22:17:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1095 transitions. [2020-11-29 22:17:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-29 22:17:04,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:17:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1035 states and 1219 transitions. [2020-11-29 22:17:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1219 transitions. [2020-11-29 22:17:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-29 22:17:08,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:08,225 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 22:17:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1050 states and 1235 transitions. [2020-11-29 22:17:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1235 transitions. [2020-11-29 22:17:08,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-29 22:17:08,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-11-29 22:17:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1120 states and 1307 transitions. [2020-11-29 22:17:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1307 transitions. [2020-11-29 22:17:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-29 22:17:11,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 175 proven. 83 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:17:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1272 states and 1473 transitions. [2020-11-29 22:17:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1473 transitions. [2020-11-29 22:17:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-29 22:17:16,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 185 proven. 88 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:17:17,419 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-11-29 22:17:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1346 states and 1549 transitions. [2020-11-29 22:17:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1549 transitions. [2020-11-29 22:17:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-29 22:17:18,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 202 proven. 114 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-29 22:17:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1347 states and 1549 transitions. [2020-11-29 22:17:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1549 transitions. [2020-11-29 22:17:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-11-29 22:17:18,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-29 22:17:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1370 states and 1574 transitions. [2020-11-29 22:17:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1574 transitions. [2020-11-29 22:17:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-11-29 22:17:19,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-29 22:17:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1371 states and 1575 transitions. [2020-11-29 22:17:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1575 transitions. [2020-11-29 22:17:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-11-29 22:17:20,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 324 proven. 51 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-29 22:17:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1448 states and 1668 transitions. [2020-11-29 22:17:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1668 transitions. [2020-11-29 22:17:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-11-29 22:17:24,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-11-29 22:17:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1465 states and 1688 transitions. [2020-11-29 22:17:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1688 transitions. [2020-11-29 22:17:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-11-29 22:17:26,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:26,825 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-11-29 22:17:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1505 states and 1726 transitions. [2020-11-29 22:17:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1726 transitions. [2020-11-29 22:17:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-11-29 22:17:28,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-11-29 22:17:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:28,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1529 states and 1752 transitions. [2020-11-29 22:17:28,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1752 transitions. [2020-11-29 22:17:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-11-29 22:17:28,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:28,966 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 277 proven. 68 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-29 22:17:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1550 states and 1772 transitions. [2020-11-29 22:17:29,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1772 transitions. [2020-11-29 22:17:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-11-29 22:17:29,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 356 proven. 86 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-29 22:17:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1645 states and 1879 transitions. [2020-11-29 22:17:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 1879 transitions. [2020-11-29 22:17:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-11-29 22:17:32,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-11-29 22:17:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1686 states and 1927 transitions. [2020-11-29 22:17:33,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1927 transitions. [2020-11-29 22:17:33,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-11-29 22:17:33,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-29 22:17:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1702 states and 1946 transitions. [2020-11-29 22:17:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 1946 transitions. [2020-11-29 22:17:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-11-29 22:17:34,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 434 proven. 103 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-29 22:17:37,158 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-29 22:17:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 1829 states and 2090 transitions. [2020-11-29 22:17:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2090 transitions. [2020-11-29 22:17:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-11-29 22:17:37,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 487 proven. 174 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-29 22:17:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:40,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1873 states and 2143 transitions. [2020-11-29 22:17:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2143 transitions. [2020-11-29 22:17:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-11-29 22:17:40,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 487 proven. 174 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-29 22:17:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1878 states and 2148 transitions. [2020-11-29 22:17:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2148 transitions. [2020-11-29 22:17:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-11-29 22:17:41,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:17:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:17:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 614 proven. 153 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 22:17:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:17:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1864 states and 2127 transitions. [2020-11-29 22:17:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2127 transitions. [2020-11-29 22:17:44,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:17:44,974 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2020-11-29 22:17:44,985 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 22:17:45,331 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:45,523 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:45,785 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-11-29 22:17:45,980 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:46,286 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-11-29 22:17:46,580 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:46,775 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:47,039 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:47,229 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:47,485 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2020-11-29 22:17:47,725 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2020-11-29 22:17:47,960 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:48,239 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:48,523 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-11-29 22:17:48,730 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:48,986 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2020-11-29 22:17:49,269 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:49,471 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:49,746 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 37 [2020-11-29 22:17:49,944 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:50,189 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 37 [2020-11-29 22:17:50,459 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:50,732 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:51,002 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2020-11-29 22:17:51,262 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:51,464 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:51,737 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:51,968 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 37 [2020-11-29 22:17:52,235 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:52,471 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:52,745 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:53,000 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2020-11-29 22:17:53,244 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:53,444 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:53,708 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:53,973 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-11-29 22:17:54,298 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-11-29 22:17:54,513 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:54,804 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:54,999 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:55,263 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-11-29 22:17:55,455 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:55,724 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-11-29 22:17:55,985 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:56,246 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:56,456 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:56,740 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:57,062 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 37 [2020-11-29 22:17:57,334 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-11-29 22:17:57,612 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:57,894 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-11-29 22:17:58,170 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-11-29 22:17:58,448 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-11-29 22:17:58,722 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:58,916 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:17:59,188 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:17:59,472 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 37 [2020-11-29 22:17:59,739 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-11-29 22:17:59,940 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:18:00,213 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-11-29 22:18:00,485 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2020-11-29 22:18:00,770 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 37 [2020-11-29 22:18:01,055 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 37 [2020-11-29 22:18:01,256 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:18:01,569 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2020-11-29 22:18:01,766 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:18:02,017 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2020-11-29 22:18:02,227 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-11-29 22:18:02,494 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-11-29 22:18:02,495 INFO L569 CodeCheckObserver]: Invariant with dag size 35 [2020-11-29 22:18:02,514 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:18:02,516 INFO L569 CodeCheckObserver]: Invariant with dag size 34 [2020-11-29 22:18:02,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 10:18:02 ImpRootNode [2020-11-29 22:18:02,523 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 22:18:02,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:18:02,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:18:02,530 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:18:02,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:16:33" (3/4) ... [2020-11-29 22:18:02,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:18:02,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2020-11-29 22:18:02,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 22:18:02,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 22:18:02,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:18:02,761 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b59b5155-7f6d-4dad-8008-27d265822d39/bin/ukojak/witness.graphml [2020-11-29 22:18:02,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:18:02,762 INFO L168 Benchmark]: Toolchain (without parser) took 93159.27 ms. Allocated memory was 96.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 57.7 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 215.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:18:02,763 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:18:02,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.35 ms. Allocated memory is still 96.5 MB. Free memory was 57.5 MB in the beginning and 55.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:18:02,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.77 ms. Allocated memory is still 96.5 MB. Free memory was 55.9 MB in the beginning and 50.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:18:02,764 INFO L168 Benchmark]: Boogie Preprocessor took 98.40 ms. Allocated memory is still 96.5 MB. Free memory was 50.0 MB in the beginning and 45.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:18:02,764 INFO L168 Benchmark]: RCFGBuilder took 2900.21 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 45.5 MB in the beginning and 53.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:18:02,765 INFO L168 Benchmark]: CodeCheck took 88965.86 ms. Allocated memory was 142.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 53.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 765.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:18:02,766 INFO L168 Benchmark]: Witness Printer took 237.14 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:18:02,768 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: 71.3s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -2107751992 SDtfs, 2031237794 SDslu, -1912321392 SDs, 0 SdLazy, -368874822 SolverSat, 1451736360 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 261.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67871 GetRequests, 64871 SyntacticMatches, 2520 SemanticMatches, 480 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174634 ImplicationChecksByTransitivity, 47.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 9952 NumberOfCodeBlocks, 9952 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 9901 ConstructedInterpolants, 0 QuantifiedInterpolants, 11409681 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 36 PerfectInterpolantSequences, 11106/12437 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: ((((((((((!(a17 == 1) && a12 == 8) && a8 == 15) && 5 == a16) && !(a20 == 1)) || ((((a12 == 8 && a8 == 15) && a20 == 1) && 5 == a16) && a17 == 1)) || ((((a12 == 8 && a8 == 13) && a20 == 1) && a16 == 4) && a17 == 1)) || (((14 == a8 && !(a17 == 1)) && a12 == 8) && 5 == a16)) || !(a21 == 1)) || !(a7 == 1)) || ((((14 == a8 && !(a17 == 1)) && a12 == 8) && a16 == 4) && !(a20 == 1))) || ((((!(a17 == 1) && a12 == 8) && a8 == 15) && a16 == 4) && !(a20 == 1)) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((!(a17 == 1) && a12 == 8) && a8 == 15) && 5 == a16) && !(a20 == 1)) || ((((a12 == 8 && a8 == 13) && a20 == 1) && a16 == 4) && a17 == 1)) || (((14 == a8 && !(a17 == 1)) && a12 == 8) && 5 == a16)) || !(a21 == 1)) || !(a7 == 1)) || ((((14 == a8 && !(a17 == 1)) && a12 == 8) && a16 == 4) && !(a20 == 1))) || ((((!(a17 == 1) && a12 == 8) && a8 == 15) && a16 == 4) && !(a20 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 832.35 ms. Allocated memory is still 96.5 MB. Free memory was 57.5 MB in the beginning and 55.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.77 ms. Allocated memory is still 96.5 MB. Free memory was 55.9 MB in the beginning and 50.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.40 ms. Allocated memory is still 96.5 MB. Free memory was 50.0 MB in the beginning and 45.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2900.21 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 45.5 MB in the beginning and 53.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. * CodeCheck took 88965.86 ms. Allocated memory was 142.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 53.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 765.8 MB. Max. memory is 16.1 GB. * Witness Printer took 237.14 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 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...