./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7c08193784b646afd298f73ae6296b7af2e0cac1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 11:53:34,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 11:53:34,120 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 11:53:34,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 11:53:34,128 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 11:53:34,129 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 11:53:34,130 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 11:53:34,131 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 11:53:34,132 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 11:53:34,133 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 11:53:34,134 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 11:53:34,134 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 11:53:34,135 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 11:53:34,135 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 11:53:34,136 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 11:53:34,137 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 11:53:34,137 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 11:53:34,139 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 11:53:34,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 11:53:34,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 11:53:34,142 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 11:53:34,143 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 11:53:34,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 11:53:34,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 11:53:34,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 11:53:34,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 11:53:34,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 11:53:34,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 11:53:34,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 11:53:34,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 11:53:34,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 11:53:34,149 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 11:53:34,149 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 11:53:34,149 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 11:53:34,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 11:53:34,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 11:53:34,150 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-02 11:53:34,157 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 11:53:34,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 11:53:34,157 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 11:53:34,157 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 11:53:34,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 11:53:34,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-02 11:53:34,158 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 11:53:34,159 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 11:53:34,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 11:53:34,159 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 11:53:34,159 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 11:53:34,159 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 11:53:34,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 11:53:34,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 11:53:34,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 11:53:34,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 11:53:34,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 11:53:34,159 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 11:53:34,160 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 11:53:34,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 11:53:34,160 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c08193784b646afd298f73ae6296b7af2e0cac1 [2018-12-02 11:53:34,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 11:53:34,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 11:53:34,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 11:53:34,186 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 11:53:34,186 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 11:53:34,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c [2018-12-02 11:53:34,220 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/data/b5d682fcf/13b8c3e73b224fb1ae8185a0e3f55a4a/FLAG8c83b0701 [2018-12-02 11:53:34,592 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 11:53:34,592 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c [2018-12-02 11:53:34,595 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/data/b5d682fcf/13b8c3e73b224fb1ae8185a0e3f55a4a/FLAG8c83b0701 [2018-12-02 11:53:34,603 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/data/b5d682fcf/13b8c3e73b224fb1ae8185a0e3f55a4a [2018-12-02 11:53:34,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 11:53:34,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 11:53:34,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 11:53:34,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 11:53:34,608 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 11:53:34,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34, skipping insertion in model container [2018-12-02 11:53:34,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 11:53:34,622 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 11:53:34,701 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 11:53:34,704 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 11:53:34,712 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 11:53:34,720 INFO L195 MainTranslator]: Completed translation [2018-12-02 11:53:34,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34 WrapperNode [2018-12-02 11:53:34,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 11:53:34,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 11:53:34,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 11:53:34,720 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 11:53:34,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 11:53:34,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 11:53:34,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 11:53:34,739 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 11:53:34,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 11:53:34,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 11:53:34,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 11:53:34,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 11:53:34,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:53:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/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 [2018-12-02 11:53:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 11:53:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 11:53:34,914 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 11:53:34,915 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 11:53:34,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:53:34 BoogieIcfgContainer [2018-12-02 11:53:34,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 11:53:34,915 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 11:53:34,915 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 11:53:34,923 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 11:53:34,923 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:53:34" (1/1) ... [2018-12-02 11:53:34,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 11:53:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-02 11:53:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-02 11:53:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 11:53:34,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-12-02 11:53:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-12-02 11:53:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 11:53:35,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-12-02 11:53:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-12-02 11:53:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 11:53:35,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-12-02 11:53:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-12-02 11:53:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 11:53:35,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-12-02 11:53:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-12-02 11:53:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 11:53:35,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-12-02 11:53:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-12-02 11:53:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 11:53:35,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 11:53:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2018-12-02 11:53:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-12-02 11:53:35,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 11:53:35,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:35,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2018-12-02 11:53:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2018-12-02 11:53:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 11:53:35,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-12-02 11:53:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-12-02 11:53:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 11:53:35,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:35,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 11:53:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-12-02 11:53:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-12-02 11:53:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 11:53:36,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:36,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-12-02 11:53:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-12-02 11:53:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 11:53:36,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 11:53:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-12-02 11:53:36,410 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-12-02 11:53:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 11:53:36,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 11:53:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-12-02 11:53:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-12-02 11:53:36,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 11:53:36,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 11:53:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:36,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2018-12-02 11:53:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2018-12-02 11:53:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 11:53:36,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 11:53:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2018-12-02 11:53:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2018-12-02 11:53:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 11:53:37,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 11:53:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2018-12-02 11:53:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2018-12-02 11:53:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 11:53:37,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 11:53:37,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2018-12-02 11:53:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2018-12-02 11:53:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 11:53:37,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 11:53:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2018-12-02 11:53:37,886 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2018-12-02 11:53:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 11:53:37,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 11:53:38,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:38,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2018-12-02 11:53:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2018-12-02 11:53:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 11:53:38,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 23 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 11:53:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 70 transitions. [2018-12-02 11:53:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2018-12-02 11:53:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 11:53:38,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 11:53:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2018-12-02 11:53:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2018-12-02 11:53:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 11:53:38,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 47 proven. 57 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 11:53:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2018-12-02 11:53:39,082 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2018-12-02 11:53:39,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 11:53:39,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 54 proven. 77 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 11:53:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2018-12-02 11:53:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2018-12-02 11:53:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 11:53:39,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 61 proven. 100 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 11:53:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-12-02 11:53:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-12-02 11:53:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 11:53:39,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 68 proven. 126 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 11:53:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2018-12-02 11:53:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2018-12-02 11:53:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 11:53:39,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 75 proven. 155 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 11:53:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:40,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2018-12-02 11:53:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2018-12-02 11:53:40,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 11:53:40,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 11:53:40,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2018-12-02 11:53:40,514 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2018-12-02 11:53:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 11:53:40,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-02 11:53:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2018-12-02 11:53:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2018-12-02 11:53:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 11:53:40,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 117 proven. 187 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 11:53:41,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 81 states and 111 transitions. [2018-12-02 11:53:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2018-12-02 11:53:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 11:53:41,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-02 11:53:41,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2018-12-02 11:53:41,567 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2018-12-02 11:53:41,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 11:53:41,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-02 11:53:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2018-12-02 11:53:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2018-12-02 11:53:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 11:53:42,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 165 proven. 222 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 11:53:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 91 states and 122 transitions. [2018-12-02 11:53:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 122 transitions. [2018-12-02 11:53:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 11:53:42,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 178 proven. 260 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 11:53:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 125 transitions. [2018-12-02 11:53:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2018-12-02 11:53:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 11:53:42,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 191 proven. 301 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 11:53:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:43,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2018-12-02 11:53:43,149 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2018-12-02 11:53:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 11:53:43,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 204 proven. 345 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 11:53:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 100 states and 131 transitions. [2018-12-02 11:53:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2018-12-02 11:53:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 11:53:43,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 217 proven. 392 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 11:53:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:43,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 103 states and 134 transitions. [2018-12-02 11:53:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2018-12-02 11:53:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 11:53:43,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 230 proven. 442 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 11:53:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 106 states and 137 transitions. [2018-12-02 11:53:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2018-12-02 11:53:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 11:53:44,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 243 proven. 495 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 11:53:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 109 states and 140 transitions. [2018-12-02 11:53:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 140 transitions. [2018-12-02 11:53:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 11:53:44,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 1 proven. 297 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2018-12-02 11:53:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 112 states and 144 transitions. [2018-12-02 11:53:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 144 transitions. [2018-12-02 11:53:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 11:53:45,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 315 proven. 551 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 11:53:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:46,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 115 states and 147 transitions. [2018-12-02 11:53:46,230 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2018-12-02 11:53:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 11:53:46,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 1 proven. 386 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2018-12-02 11:53:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 120 states and 159 transitions. [2018-12-02 11:53:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2018-12-02 11:53:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 11:53:46,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 393 proven. 610 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 11:53:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 123 states and 162 transitions. [2018-12-02 11:53:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 162 transitions. [2018-12-02 11:53:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 11:53:47,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 1 proven. 484 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2018-12-02 11:53:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 129 states and 176 transitions. [2018-12-02 11:53:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 176 transitions. [2018-12-02 11:53:48,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 11:53:48,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 477 proven. 672 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-02 11:53:48,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 132 states and 179 transitions. [2018-12-02 11:53:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 179 transitions. [2018-12-02 11:53:48,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 11:53:48,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2018-12-02 11:53:50,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 144 states and 199 transitions. [2018-12-02 11:53:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 199 transitions. [2018-12-02 11:53:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 11:53:50,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 41 proven. 646 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2018-12-02 11:53:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:52,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 151 states and 190 transitions. [2018-12-02 11:53:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2018-12-02 11:53:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 11:53:52,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 48 proven. 873 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2018-12-02 11:53:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 164 states and 202 transitions. [2018-12-02 11:53:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 202 transitions. [2018-12-02 11:53:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 11:53:54,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 677 proven. 591 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2018-12-02 11:53:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 170 states and 213 transitions. [2018-12-02 11:53:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 213 transitions. [2018-12-02 11:53:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 11:53:55,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 1067 proven. 737 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2018-12-02 11:53:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 173 states and 216 transitions. [2018-12-02 11:53:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 216 transitions. [2018-12-02 11:53:55,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 11:53:55,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 721 proven. 707 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2018-12-02 11:53:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 179 states and 228 transitions. [2018-12-02 11:53:58,413 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2018-12-02 11:53:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 11:53:58,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 1185 proven. 805 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-12-02 11:53:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:53:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 182 states and 231 transitions. [2018-12-02 11:53:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2018-12-02 11:53:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 11:53:59,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:53:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:53:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2546 backedges. 765 proven. 832 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2018-12-02 11:54:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 188 states and 244 transitions. [2018-12-02 11:54:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2018-12-02 11:54:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 11:54:00,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 1309 proven. 876 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:01,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 191 states and 247 transitions. [2018-12-02 11:54:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 247 transitions. [2018-12-02 11:54:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 11:54:01,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2797 backedges. 1362 proven. 950 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 194 states and 250 transitions. [2018-12-02 11:54:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2018-12-02 11:54:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 11:54:01,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1415 proven. 1027 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 197 states and 253 transitions. [2018-12-02 11:54:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 253 transitions. [2018-12-02 11:54:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 11:54:02,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3060 backedges. 1468 proven. 1107 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 200 states and 256 transitions. [2018-12-02 11:54:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2018-12-02 11:54:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 11:54:03,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 1521 proven. 1190 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 203 states and 259 transitions. [2018-12-02 11:54:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2018-12-02 11:54:04,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 11:54:04,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1574 proven. 1276 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:05,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 206 states and 262 transitions. [2018-12-02 11:54:05,080 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 262 transitions. [2018-12-02 11:54:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 11:54:05,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3477 backedges. 1627 proven. 1365 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:05,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:05,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 209 states and 265 transitions. [2018-12-02 11:54:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 265 transitions. [2018-12-02 11:54:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 11:54:05,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3622 backedges. 1680 proven. 1457 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:06,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 212 states and 268 transitions. [2018-12-02 11:54:06,865 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 268 transitions. [2018-12-02 11:54:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 11:54:06,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3770 backedges. 1733 proven. 1552 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:07,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 215 states and 271 transitions. [2018-12-02 11:54:07,685 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 271 transitions. [2018-12-02 11:54:07,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 11:54:07,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3921 backedges. 1786 proven. 1650 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 218 states and 274 transitions. [2018-12-02 11:54:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 274 transitions. [2018-12-02 11:54:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 11:54:08,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4075 backedges. 1839 proven. 1751 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:09,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 221 states and 277 transitions. [2018-12-02 11:54:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 277 transitions. [2018-12-02 11:54:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 11:54:09,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4232 backedges. 1892 proven. 1855 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 224 states and 280 transitions. [2018-12-02 11:54:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 280 transitions. [2018-12-02 11:54:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 11:54:10,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4392 backedges. 1945 proven. 1962 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 11:54:11,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:11,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 227 states and 283 transitions. [2018-12-02 11:54:11,320 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 283 transitions. [2018-12-02 11:54:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 11:54:11,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4555 backedges. 1073 proven. 1350 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-12-02 11:54:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 233 states and 297 transitions. [2018-12-02 11:54:12,815 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 297 transitions. [2018-12-02 11:54:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-02 11:54:12,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4721 backedges. 2111 proven. 2072 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2018-12-02 11:54:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 236 states and 300 transitions. [2018-12-02 11:54:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 300 transitions. [2018-12-02 11:54:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 11:54:13,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4890 backedges. 1117 proven. 1529 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2018-12-02 11:54:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 242 states and 315 transitions. [2018-12-02 11:54:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 315 transitions. [2018-12-02 11:54:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 11:54:15,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5062 backedges. 677 proven. 1995 refuted. 0 times theorem prover too weak. 2390 trivial. 0 not checked. [2018-12-02 11:54:21,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:21,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 258 states and 322 transitions. [2018-12-02 11:54:21,378 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 322 transitions. [2018-12-02 11:54:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-02 11:54:21,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5862 backedges. 1250 proven. 2158 refuted. 0 times theorem prover too weak. 2454 trivial. 0 not checked. [2018-12-02 11:54:31,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 274 states and 330 transitions. [2018-12-02 11:54:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 330 transitions. [2018-12-02 11:54:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 11:54:31,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 6923 backedges. 0 proven. 3443 refuted. 0 times theorem prover too weak. 3480 trivial. 0 not checked. [2018-12-02 11:54:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 276 states and 331 transitions. [2018-12-02 11:54:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 331 transitions. [2018-12-02 11:54:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-02 11:54:32,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:32,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7334 backedges. 763 proven. 15 refuted. 0 times theorem prover too weak. 6556 trivial. 0 not checked. [2018-12-02 11:54:32,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 276 states and 329 transitions. [2018-12-02 11:54:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 329 transitions. [2018-12-02 11:54:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 11:54:32,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7544 backedges. 962 proven. 23 refuted. 0 times theorem prover too weak. 6559 trivial. 0 not checked. [2018-12-02 11:54:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 276 states and 327 transitions. [2018-12-02 11:54:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 327 transitions. [2018-12-02 11:54:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 11:54:33,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 1161 proven. 31 refuted. 0 times theorem prover too weak. 6565 trivial. 0 not checked. [2018-12-02 11:54:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:33,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 276 states and 325 transitions. [2018-12-02 11:54:33,800 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 325 transitions. [2018-12-02 11:54:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-02 11:54:33,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 7973 backedges. 1360 proven. 39 refuted. 0 times theorem prover too weak. 6574 trivial. 0 not checked. [2018-12-02 11:54:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 276 states and 323 transitions. [2018-12-02 11:54:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 323 transitions. [2018-12-02 11:54:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 11:54:34,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8192 backedges. 1559 proven. 47 refuted. 0 times theorem prover too weak. 6586 trivial. 0 not checked. [2018-12-02 11:54:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 276 states and 321 transitions. [2018-12-02 11:54:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 321 transitions. [2018-12-02 11:54:34,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 11:54:34,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 11:54:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 11:54:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 8414 backedges. 1758 proven. 55 refuted. 0 times theorem prover too weak. 6601 trivial. 0 not checked. [2018-12-02 11:54:35,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 11:54:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-12-02 11:54:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-12-02 11:54:35,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 11:54:35,286 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2018-12-02 11:54:35,292 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-02 11:54:35,439 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 11:54:35,445 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-02 11:54:35,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:54:35 ImpRootNode [2018-12-02 11:54:35,446 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 11:54:35,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 11:54:35,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 11:54:35,447 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 11:54:35,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:53:34" (3/4) ... [2018-12-02 11:54:35,449 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 11:54:35,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 11:54:35,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 11:54:35,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 11:54:35,479 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_28171361-3cb3-4777-849c-2d5963b6636b/bin-2019/ukojak/witness.graphml [2018-12-02 11:54:35,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 11:54:35,480 INFO L168 Benchmark]: Toolchain (without parser) took 60874.69 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 871.4 MB). Free memory was 961.4 MB in the beginning and 1.4 GB in the end (delta: -477.6 MB). Peak memory consumption was 393.7 MB. Max. memory is 11.5 GB. [2018-12-02 11:54:35,480 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 11:54:35,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.33 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 11:54:35,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.18 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 11:54:35,481 INFO L168 Benchmark]: Boogie Preprocessor took 40.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-02 11:54:35,481 INFO L168 Benchmark]: RCFGBuilder took 135.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-12-02 11:54:35,481 INFO L168 Benchmark]: CodeCheck took 60531.01 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 737.1 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -346.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 11.5 GB. [2018-12-02 11:54:35,482 INFO L168 Benchmark]: Witness Printer took 32.75 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-12-02 11:54:35,483 INFO L336 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, 15 locations, 4 error locations. SAFE Result, 60.3s OverallTime, 77 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1476319622 SDslu, 0 SDs, 0 SdLazy, 1006890160 SolverSat, 2080401854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51575 GetRequests, 46678 SyntacticMatches, 4075 SemanticMatches, 822 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375591 ImplicationChecksByTransitivity, 56.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 7413 NumberOfCodeBlocks, 7413 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 7337 ConstructedInterpolants, 0 QuantifiedInterpolants, 2314239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 10 PerfectInterpolantSequences, 110691/153776 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: n <= 2147483647 && 0 <= i + 2147483648 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((n <= 2147483647 && 0 <= i + 2147483648) && j <= 0) && 0 <= j) && i <= 2147483646) || (((1 < j && n <= 2147483647) && 0 < i) && i <= 2147483646)) || ((((n <= 2147483647 && 0 < j) && j <= 1) && 0 < i + 1) && i <= 2147483646) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 114.33 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.18 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 135.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 60531.01 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 737.1 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -346.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 11.5 GB. * Witness Printer took 32.75 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...