./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/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 ac99a20a7aff68d4303ed37ca9ad8305a1f8cf0d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 10:01:11,539 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 10:01:11,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 10:01:11,547 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 10:01:11,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 10:01:11,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 10:01:11,549 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 10:01:11,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 10:01:11,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 10:01:11,552 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 10:01:11,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 10:01:11,553 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 10:01:11,553 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 10:01:11,554 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 10:01:11,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 10:01:11,555 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 10:01:11,556 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 10:01:11,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 10:01:11,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 10:01:11,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 10:01:11,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 10:01:11,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 10:01:11,562 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 10:01:11,562 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 10:01:11,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 10:01:11,563 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 10:01:11,564 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 10:01:11,564 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 10:01:11,565 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 10:01:11,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 10:01:11,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 10:01:11,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 10:01:11,567 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 10:01:11,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 10:01:11,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 10:01:11,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 10:01:11,568 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 10:01:11,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 10:01:11,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 10:01:11,578 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 10:01:11,578 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 10:01:11,579 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 10:01:11,579 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 10:01:11,579 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 10:01:11,579 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 10:01:11,579 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 10:01:11,579 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 10:01:11,580 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 10:01:11,580 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 10:01:11,580 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 10:01:11,580 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 10:01:11,580 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 10:01:11,580 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 10:01:11,580 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 10:01:11,580 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 10:01:11,580 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 10:01:11,581 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 10:01:11,581 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 10:01:11,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 10:01:11,581 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 10:01:11,581 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 10:01:11,581 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 10:01:11,581 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 10:01:11,581 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 10:01:11,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 10:01:11,581 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_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/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 -> ac99a20a7aff68d4303ed37ca9ad8305a1f8cf0d [2018-11-23 10:01:11,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 10:01:11,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 10:01:11,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 10:01:11,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 10:01:11,617 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 10:01:11,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c [2018-11-23 10:01:11,654 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/data/e3d2f4e62/b7844810f05e43ada5b2a99faecc6467/FLAG19a74e77e [2018-11-23 10:01:11,960 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 10:01:11,960 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c [2018-11-23 10:01:11,964 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/data/e3d2f4e62/b7844810f05e43ada5b2a99faecc6467/FLAG19a74e77e [2018-11-23 10:01:11,973 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/data/e3d2f4e62/b7844810f05e43ada5b2a99faecc6467 [2018-11-23 10:01:11,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 10:01:11,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 10:01:11,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 10:01:11,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 10:01:11,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 10:01:11,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:01:11" (1/1) ... [2018-11-23 10:01:11,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd9ff0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:11, skipping insertion in model container [2018-11-23 10:01:11,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:01:11" (1/1) ... [2018-11-23 10:01:11,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 10:01:12,000 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 10:01:12,108 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:01:12,110 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 10:01:12,122 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:01:12,130 INFO L195 MainTranslator]: Completed translation [2018-11-23 10:01:12,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12 WrapperNode [2018-11-23 10:01:12,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 10:01:12,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 10:01:12,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 10:01:12,132 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 10:01:12,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 10:01:12,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 10:01:12,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 10:01:12,152 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 10:01:12,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 10:01:12,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 10:01:12,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 10:01:12,163 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 10:01:12,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:01:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/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 [2018-11-23 10:01:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 10:01:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 10:01:12,368 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 10:01:12,368 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 10:01:12,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:01:12 BoogieIcfgContainer [2018-11-23 10:01:12,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 10:01:12,369 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 10:01:12,369 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 10:01:12,378 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 10:01:12,378 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:01:12" (1/1) ... [2018-11-23 10:01:12,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:01:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:12,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-11-23 10:01:12,419 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-11-23 10:01:12,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 10:01:12,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2018-11-23 10:01:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2018-11-23 10:01:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 10:01:12,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-23 10:01:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-23 10:01:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 10:01:12,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:12,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:12,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-11-23 10:01:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-11-23 10:01:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 10:01:12,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:12,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-23 10:01:12,972 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-23 10:01:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 10:01:12,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-11-23 10:01:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-11-23 10:01:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 10:01:13,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2018-11-23 10:01:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2018-11-23 10:01:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 10:01:13,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-11-23 10:01:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-11-23 10:01:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 10:01:14,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:14,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-11-23 10:01:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-11-23 10:01:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 10:01:14,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-11-23 10:01:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-11-23 10:01:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 10:01:14,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:14,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:14,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 114 transitions. [2018-11-23 10:01:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 114 transitions. [2018-11-23 10:01:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 10:01:14,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 10:01:14,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2018-11-23 10:01:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2018-11-23 10:01:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 10:01:14,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 70 states and 139 transitions. [2018-11-23 10:01:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 139 transitions. [2018-11-23 10:01:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 10:01:15,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 10:01:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 74 states and 149 transitions. [2018-11-23 10:01:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 149 transitions. [2018-11-23 10:01:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 10:01:15,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 191 transitions. [2018-11-23 10:01:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 191 transitions. [2018-11-23 10:01:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 10:01:17,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 85 states and 193 transitions. [2018-11-23 10:01:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 193 transitions. [2018-11-23 10:01:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 10:01:17,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 91 states and 202 transitions. [2018-11-23 10:01:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 202 transitions. [2018-11-23 10:01:17,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 10:01:17,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:18,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 94 states and 209 transitions. [2018-11-23 10:01:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 209 transitions. [2018-11-23 10:01:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 10:01:18,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:01:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 219 transitions. [2018-11-23 10:01:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 219 transitions. [2018-11-23 10:01:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 10:01:18,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 100 states and 226 transitions. [2018-11-23 10:01:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 226 transitions. [2018-11-23 10:01:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 10:01:19,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 105 states and 234 transitions. [2018-11-23 10:01:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 234 transitions. [2018-11-23 10:01:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 10:01:19,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 108 states and 240 transitions. [2018-11-23 10:01:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 240 transitions. [2018-11-23 10:01:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 10:01:20,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 110 states and 247 transitions. [2018-11-23 10:01:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 247 transitions. [2018-11-23 10:01:21,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 10:01:21,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 10:01:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 111 states and 250 transitions. [2018-11-23 10:01:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 250 transitions. [2018-11-23 10:01:21,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 10:01:21,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 115 states and 264 transitions. [2018-11-23 10:01:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 264 transitions. [2018-11-23 10:01:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 10:01:21,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 117 states and 266 transitions. [2018-11-23 10:01:22,358 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 266 transitions. [2018-11-23 10:01:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 10:01:22,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 10:01:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 118 states and 269 transitions. [2018-11-23 10:01:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 269 transitions. [2018-11-23 10:01:22,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 10:01:22,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:01:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:23,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 122 states and 274 transitions. [2018-11-23 10:01:23,078 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 274 transitions. [2018-11-23 10:01:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 10:01:23,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 126 states and 281 transitions. [2018-11-23 10:01:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 281 transitions. [2018-11-23 10:01:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 10:01:24,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 10:01:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 133 states and 294 transitions. [2018-11-23 10:01:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 294 transitions. [2018-11-23 10:01:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 10:01:25,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 138 states and 310 transitions. [2018-11-23 10:01:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 310 transitions. [2018-11-23 10:01:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 10:01:25,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:01:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 139 states and 315 transitions. [2018-11-23 10:01:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 315 transitions. [2018-11-23 10:01:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 10:01:26,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 144 states and 324 transitions. [2018-11-23 10:01:27,429 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 324 transitions. [2018-11-23 10:01:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 10:01:27,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 148 states and 330 transitions. [2018-11-23 10:01:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 330 transitions. [2018-11-23 10:01:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 10:01:28,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:01:28,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:28,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 152 states and 339 transitions. [2018-11-23 10:01:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 339 transitions. [2018-11-23 10:01:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 10:01:28,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:28,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 154 states and 342 transitions. [2018-11-23 10:01:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 342 transitions. [2018-11-23 10:01:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 10:01:28,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:01:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 155 states and 344 transitions. [2018-11-23 10:01:29,218 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 344 transitions. [2018-11-23 10:01:29,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 10:01:29,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 10:01:29,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:29,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 157 states and 346 transitions. [2018-11-23 10:01:29,480 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 346 transitions. [2018-11-23 10:01:29,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:29,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:30,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 162 states and 360 transitions. [2018-11-23 10:01:30,308 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 360 transitions. [2018-11-23 10:01:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:30,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:30,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:31,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 166 states and 370 transitions. [2018-11-23 10:01:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 370 transitions. [2018-11-23 10:01:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:31,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:31,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 167 states and 373 transitions. [2018-11-23 10:01:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 373 transitions. [2018-11-23 10:01:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:31,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 173 states and 381 transitions. [2018-11-23 10:01:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 381 transitions. [2018-11-23 10:01:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:32,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 177 states and 394 transitions. [2018-11-23 10:01:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 394 transitions. [2018-11-23 10:01:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:33,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:01:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 179 states and 399 transitions. [2018-11-23 10:01:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 399 transitions. [2018-11-23 10:01:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:33,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 181 states and 403 transitions. [2018-11-23 10:01:34,110 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 403 transitions. [2018-11-23 10:01:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:34,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 182 states and 406 transitions. [2018-11-23 10:01:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 406 transitions. [2018-11-23 10:01:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:01:34,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 10:01:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 182 states and 404 transitions. [2018-11-23 10:01:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 404 transitions. [2018-11-23 10:01:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 10:01:35,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 187 states and 419 transitions. [2018-11-23 10:01:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 419 transitions. [2018-11-23 10:01:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 10:01:36,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 191 states and 431 transitions. [2018-11-23 10:01:37,543 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 431 transitions. [2018-11-23 10:01:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 10:01:37,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 10:01:37,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 192 states and 433 transitions. [2018-11-23 10:01:37,856 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 433 transitions. [2018-11-23 10:01:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 10:01:37,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:37,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 10:01:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 195 states and 439 transitions. [2018-11-23 10:01:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 439 transitions. [2018-11-23 10:01:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 10:01:38,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 10:01:39,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 199 states and 446 transitions. [2018-11-23 10:01:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 446 transitions. [2018-11-23 10:01:39,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 10:01:39,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:39,397 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 10:01:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 200 states and 447 transitions. [2018-11-23 10:01:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 447 transitions. [2018-11-23 10:01:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 10:01:39,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 200 states and 446 transitions. [2018-11-23 10:01:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 446 transitions. [2018-11-23 10:01:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 10:01:40,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:40,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:40,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 200 states and 445 transitions. [2018-11-23 10:01:40,913 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 445 transitions. [2018-11-23 10:01:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:40,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 10:01:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 201 states and 445 transitions. [2018-11-23 10:01:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 445 transitions. [2018-11-23 10:01:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:41,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 202 states and 446 transitions. [2018-11-23 10:01:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 446 transitions. [2018-11-23 10:01:41,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:41,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 10:01:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 204 states and 451 transitions. [2018-11-23 10:01:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 451 transitions. [2018-11-23 10:01:42,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:42,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 10:01:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 205 states and 454 transitions. [2018-11-23 10:01:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 454 transitions. [2018-11-23 10:01:42,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:42,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 10:01:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 207 states and 458 transitions. [2018-11-23 10:01:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 458 transitions. [2018-11-23 10:01:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:42,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 10:01:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 209 states and 462 transitions. [2018-11-23 10:01:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 462 transitions. [2018-11-23 10:01:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:43,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 216 states and 500 transitions. [2018-11-23 10:01:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 500 transitions. [2018-11-23 10:01:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:45,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 217 states and 506 transitions. [2018-11-23 10:01:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 506 transitions. [2018-11-23 10:01:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:45,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 217 states and 505 transitions. [2018-11-23 10:01:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 505 transitions. [2018-11-23 10:01:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:46,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:46,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 215 states and 499 transitions. [2018-11-23 10:01:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 499 transitions. [2018-11-23 10:01:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:46,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 215 states and 498 transitions. [2018-11-23 10:01:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 498 transitions. [2018-11-23 10:01:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:01:47,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 10:01:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 217 states and 499 transitions. [2018-11-23 10:01:47,849 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 499 transitions. [2018-11-23 10:01:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 10:01:47,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 10:01:48,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 219 states and 503 transitions. [2018-11-23 10:01:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 503 transitions. [2018-11-23 10:01:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 10:01:48,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 10:01:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 222 states and 511 transitions. [2018-11-23 10:01:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 511 transitions. [2018-11-23 10:01:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 10:01:49,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 10:01:49,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:49,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 223 states and 514 transitions. [2018-11-23 10:01:49,699 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 514 transitions. [2018-11-23 10:01:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 10:01:49,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 10:01:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 230 states and 526 transitions. [2018-11-23 10:01:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 526 transitions. [2018-11-23 10:01:51,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 10:01:51,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 10:01:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 233 states and 534 transitions. [2018-11-23 10:01:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 534 transitions. [2018-11-23 10:01:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 10:01:52,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 10:01:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 234 states and 538 transitions. [2018-11-23 10:01:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 538 transitions. [2018-11-23 10:01:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 10:01:52,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 10:01:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 236 states and 542 transitions. [2018-11-23 10:01:53,108 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 542 transitions. [2018-11-23 10:01:53,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:53,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 10:01:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 238 states and 544 transitions. [2018-11-23 10:01:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 544 transitions. [2018-11-23 10:01:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:53,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 10:01:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 239 states and 547 transitions. [2018-11-23 10:01:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 547 transitions. [2018-11-23 10:01:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:54,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 10:01:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 240 states and 551 transitions. [2018-11-23 10:01:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 551 transitions. [2018-11-23 10:01:55,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:55,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 10:01:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 242 states and 556 transitions. [2018-11-23 10:01:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 556 transitions. [2018-11-23 10:01:55,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:55,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 10:01:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 243 states and 558 transitions. [2018-11-23 10:01:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 558 transitions. [2018-11-23 10:01:55,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:55,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 10:01:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 243 states and 556 transitions. [2018-11-23 10:01:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 556 transitions. [2018-11-23 10:01:56,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:56,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:01:56,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 243 states and 555 transitions. [2018-11-23 10:01:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 555 transitions. [2018-11-23 10:01:56,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:56,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 10:01:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 243 states and 554 transitions. [2018-11-23 10:01:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 554 transitions. [2018-11-23 10:01:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:01:57,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 10:01:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 247 states and 561 transitions. [2018-11-23 10:01:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 561 transitions. [2018-11-23 10:01:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:01:58,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:01:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 248 states and 563 transitions. [2018-11-23 10:01:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 563 transitions. [2018-11-23 10:01:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:01:58,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:01:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:01:59,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 250 states and 565 transitions. [2018-11-23 10:01:59,383 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 565 transitions. [2018-11-23 10:01:59,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:01:59,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:01:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:01:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:02:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 252 states and 567 transitions. [2018-11-23 10:02:00,021 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 567 transitions. [2018-11-23 10:02:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:00,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:01,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 257 states and 580 transitions. [2018-11-23 10:02:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 580 transitions. [2018-11-23 10:02:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:01,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:02:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 261 states and 587 transitions. [2018-11-23 10:02:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 587 transitions. [2018-11-23 10:02:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:03,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 262 states and 588 transitions. [2018-11-23 10:02:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 588 transitions. [2018-11-23 10:02:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:03,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 263 states and 589 transitions. [2018-11-23 10:02:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 589 transitions. [2018-11-23 10:02:03,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:03,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:03,881 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:04,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 267 states and 593 transitions. [2018-11-23 10:02:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 593 transitions. [2018-11-23 10:02:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:04,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 10:02:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 268 states and 595 transitions. [2018-11-23 10:02:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 595 transitions. [2018-11-23 10:02:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:05,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 10:02:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 269 states and 596 transitions. [2018-11-23 10:02:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 596 transitions. [2018-11-23 10:02:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:05,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 10:02:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 272 states and 603 transitions. [2018-11-23 10:02:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 603 transitions. [2018-11-23 10:02:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:06,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 10:02:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 275 states and 612 transitions. [2018-11-23 10:02:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 612 transitions. [2018-11-23 10:02:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:07,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:02:08,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 278 states and 618 transitions. [2018-11-23 10:02:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 618 transitions. [2018-11-23 10:02:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:08,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:02:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:09,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 279 states and 620 transitions. [2018-11-23 10:02:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 620 transitions. [2018-11-23 10:02:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:09,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 10:02:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:09,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 280 states and 621 transitions. [2018-11-23 10:02:09,443 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 621 transitions. [2018-11-23 10:02:09,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:09,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 10:02:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 282 states and 625 transitions. [2018-11-23 10:02:09,709 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 625 transitions. [2018-11-23 10:02:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 10:02:09,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 10:02:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 284 states and 627 transitions. [2018-11-23 10:02:10,164 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 627 transitions. [2018-11-23 10:02:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 10:02:10,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 10:02:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 285 states and 632 transitions. [2018-11-23 10:02:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 632 transitions. [2018-11-23 10:02:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 10:02:11,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 10:02:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 287 states and 638 transitions. [2018-11-23 10:02:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 638 transitions. [2018-11-23 10:02:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 10:02:11,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 10:02:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:12,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 288 states and 639 transitions. [2018-11-23 10:02:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 639 transitions. [2018-11-23 10:02:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 10:02:12,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 10:02:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 289 states and 641 transitions. [2018-11-23 10:02:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 641 transitions. [2018-11-23 10:02:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 10:02:12,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:02:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 292 states and 647 transitions. [2018-11-23 10:02:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 647 transitions. [2018-11-23 10:02:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 10:02:13,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 10:02:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:14,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 293 states and 647 transitions. [2018-11-23 10:02:14,076 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 647 transitions. [2018-11-23 10:02:14,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 10:02:14,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 10:02:14,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 294 states and 648 transitions. [2018-11-23 10:02:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 648 transitions. [2018-11-23 10:02:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 10:02:14,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:14,497 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 10:02:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 295 states and 649 transitions. [2018-11-23 10:02:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 649 transitions. [2018-11-23 10:02:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 10:02:14,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:02:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 302 states and 661 transitions. [2018-11-23 10:02:17,801 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 661 transitions. [2018-11-23 10:02:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 10:02:17,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:02:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 304 states and 667 transitions. [2018-11-23 10:02:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 667 transitions. [2018-11-23 10:02:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 10:02:18,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:02:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 306 states and 671 transitions. [2018-11-23 10:02:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 671 transitions. [2018-11-23 10:02:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 10:02:18,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:02:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 308 states and 673 transitions. [2018-11-23 10:02:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 673 transitions. [2018-11-23 10:02:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 10:02:19,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:02:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 311 states and 677 transitions. [2018-11-23 10:02:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 677 transitions. [2018-11-23 10:02:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 10:02:20,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 10:02:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:22,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 316 states and 691 transitions. [2018-11-23 10:02:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 691 transitions. [2018-11-23 10:02:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:02:22,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:22,297 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 10:02:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:23,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 318 states and 694 transitions. [2018-11-23 10:02:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 694 transitions. [2018-11-23 10:02:23,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:02:23,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 10:02:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 320 states and 697 transitions. [2018-11-23 10:02:23,647 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 697 transitions. [2018-11-23 10:02:23,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:02:23,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 10:02:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 322 states and 700 transitions. [2018-11-23 10:02:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 700 transitions. [2018-11-23 10:02:24,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:02:24,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 10:02:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 323 states and 700 transitions. [2018-11-23 10:02:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 700 transitions. [2018-11-23 10:02:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:02:24,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:25,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 324 states and 705 transitions. [2018-11-23 10:02:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 705 transitions. [2018-11-23 10:02:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:02:25,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:25,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 325 states and 708 transitions. [2018-11-23 10:02:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 708 transitions. [2018-11-23 10:02:25,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:02:25,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 10:02:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 328 states and 714 transitions. [2018-11-23 10:02:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 714 transitions. [2018-11-23 10:02:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:02:26,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 332 states and 719 transitions. [2018-11-23 10:02:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 719 transitions. [2018-11-23 10:02:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:27,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 10:02:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 333 states and 723 transitions. [2018-11-23 10:02:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 723 transitions. [2018-11-23 10:02:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:27,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 10:02:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 334 states and 724 transitions. [2018-11-23 10:02:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 724 transitions. [2018-11-23 10:02:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:28,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 10:02:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 335 states and 725 transitions. [2018-11-23 10:02:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 725 transitions. [2018-11-23 10:02:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:28,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 10:02:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 337 states and 727 transitions. [2018-11-23 10:02:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 727 transitions. [2018-11-23 10:02:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:29,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 10:02:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:30,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 338 states and 730 transitions. [2018-11-23 10:02:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 730 transitions. [2018-11-23 10:02:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:30,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 338 states and 729 transitions. [2018-11-23 10:02:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 729 transitions. [2018-11-23 10:02:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:31,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 337 states and 725 transitions. [2018-11-23 10:02:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 725 transitions. [2018-11-23 10:02:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:31,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 10:02:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 338 states and 727 transitions. [2018-11-23 10:02:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 727 transitions. [2018-11-23 10:02:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:32,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:02:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 339 states and 727 transitions. [2018-11-23 10:02:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 727 transitions. [2018-11-23 10:02:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 10:02:32,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:02:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 341 states and 728 transitions. [2018-11-23 10:02:32,988 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 728 transitions. [2018-11-23 10:02:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:32,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 10:02:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 345 states and 736 transitions. [2018-11-23 10:02:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 736 transitions. [2018-11-23 10:02:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:33,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 10:02:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 348 states and 742 transitions. [2018-11-23 10:02:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 742 transitions. [2018-11-23 10:02:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:34,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 10:02:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 353 states and 757 transitions. [2018-11-23 10:02:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 757 transitions. [2018-11-23 10:02:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:36,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 10:02:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 354 states and 760 transitions. [2018-11-23 10:02:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 760 transitions. [2018-11-23 10:02:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:37,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:37,326 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 10:02:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 355 states and 760 transitions. [2018-11-23 10:02:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 760 transitions. [2018-11-23 10:02:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:37,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 10:02:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 360 states and 767 transitions. [2018-11-23 10:02:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 767 transitions. [2018-11-23 10:02:39,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:39,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 10:02:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 361 states and 767 transitions. [2018-11-23 10:02:40,500 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 767 transitions. [2018-11-23 10:02:40,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:40,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 10:02:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 363 states and 768 transitions. [2018-11-23 10:02:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 768 transitions. [2018-11-23 10:02:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:02:41,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 10:02:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 367 states and 773 transitions. [2018-11-23 10:02:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 773 transitions. [2018-11-23 10:02:43,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 10:02:43,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 10:02:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 367 states and 772 transitions. [2018-11-23 10:02:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 772 transitions. [2018-11-23 10:02:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 10:02:43,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 10:02:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 368 states and 773 transitions. [2018-11-23 10:02:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 773 transitions. [2018-11-23 10:02:43,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 10:02:43,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 10:02:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 371 states and 779 transitions. [2018-11-23 10:02:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 779 transitions. [2018-11-23 10:02:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 10:02:45,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 10:02:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 372 states and 779 transitions. [2018-11-23 10:02:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 779 transitions. [2018-11-23 10:02:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 10:02:45,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 10:02:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 374 states and 780 transitions. [2018-11-23 10:02:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 780 transitions. [2018-11-23 10:02:46,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 10:02:46,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 10:02:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 376 states and 782 transitions. [2018-11-23 10:02:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 782 transitions. [2018-11-23 10:02:46,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 10:02:46,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 10:02:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 378 states and 783 transitions. [2018-11-23 10:02:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 783 transitions. [2018-11-23 10:02:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 10:02:47,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 10:02:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 381 states and 787 transitions. [2018-11-23 10:02:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 787 transitions. [2018-11-23 10:02:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 10:02:48,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 10:02:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 383 states and 788 transitions. [2018-11-23 10:02:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 788 transitions. [2018-11-23 10:02:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 10:02:49,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 10:02:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 386 states and 791 transitions. [2018-11-23 10:02:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 791 transitions. [2018-11-23 10:02:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 10:02:50,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 10:02:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 387 states and 791 transitions. [2018-11-23 10:02:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 791 transitions. [2018-11-23 10:02:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 10:02:50,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:50,664 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 10:02:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 391 states and 796 transitions. [2018-11-23 10:02:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 796 transitions. [2018-11-23 10:02:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 10:02:51,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 10:02:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:02:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 10:02:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 10:02:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 99 states and 167 transitions. [2018-11-23 10:02:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 167 transitions. [2018-11-23 10:02:52,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:02:52,160 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 154 iterations. [2018-11-23 10:02:52,166 INFO L775 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-23 10:02:52,379 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2018-11-23 10:02:52,513 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-11-23 10:02:52,903 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-11-23 10:02:53,236 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-11-23 10:02:53,351 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-11-23 10:02:53,351 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 10:02:53,353 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 10:02:53,358 INFO L579 CodeCheckObserver]: Invariant with dag size 32 [2018-11-23 10:02:53,361 INFO L579 CodeCheckObserver]: Invariant with dag size 35 [2018-11-23 10:02:53,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 10:02:53 ImpRootNode [2018-11-23 10:02:53,365 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 10:02:53,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 10:02:53,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 10:02:53,367 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 10:02:53,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:01:12" (3/4) ... [2018-11-23 10:02:53,371 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 10:02:53,380 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 10:02:53,380 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 10:02:53,380 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 10:02:53,416 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0945a276-45c3-45eb-ae8d-6ac3a70ba66b/bin-2019/ukojak/witness.graphml [2018-11-23 10:02:53,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 10:02:53,417 INFO L168 Benchmark]: Toolchain (without parser) took 101441.51 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 959.2 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 198.6 MB. Max. memory is 11.5 GB. [2018-11-23 10:02:53,418 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 10:02:53,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.94 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 10:02:53,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.17 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 10:02:53,419 INFO L168 Benchmark]: Boogie Preprocessor took 11.39 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 10:02:53,419 INFO L168 Benchmark]: RCFGBuilder took 205.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 10:02:53,419 INFO L168 Benchmark]: CodeCheck took 100996.43 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 10:02:53,419 INFO L168 Benchmark]: Witness Printer took 50.00 ms. Allocated memory is still 2.6 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-11-23 10:02:53,421 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, 26 locations, 8 error locations. SAFE Result, 99.7s OverallTime, 154 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -171447760 SDslu, 0 SDs, 0 SdLazy, 1256972852 SolverSat, -999052232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36531 GetRequests, 32916 SyntacticMatches, 2373 SemanticMatches, 1242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789473 ImplicationChecksByTransitivity, 95.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3230 NumberOfCodeBlocks, 3230 NumberOfCodeBlocksAsserted, 153 NumberOfCheckSat, 3077 ConstructedInterpolants, 0 QuantifiedInterpolants, 209579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 153 InterpolantComputations, 47 PerfectInterpolantSequences, 1551/2073 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= i + 2147483648) && N <= 2147483647 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= i + 2147483648) && 0 <= j + 2147483648) && N <= 2147483647) && i + 1 < 0) || ((((((i < 0 && n <= 2147483647) && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && 0 <= i + 1) && N <= 2147483647)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && 0 < i) && i <= 2147483646) && N <= 2147483647)) || ((((((i <= 0 && n <= 2147483647) && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && N <= 2147483647) && 0 <= i) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((n <= 2147483647 && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && 0 <= k + 1) && k < 0) && N <= 2147483647) || ((((((n <= 2147483647 && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && k + 1 < 0) && 0 <= k + 2147483648) && N <= 2147483647)) || ((((((n <= 2147483647 && k <= 0) && 0 <= k) && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && N <= 2147483647)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && N < 0) && k <= 2147483646) && 0 <= k + 2147483648)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < k) && 0 <= j + 2147483648) && 0 <= N) && k <= 2147483646) && N <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.94 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 20.17 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.39 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 205.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 100996.43 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 50.00 ms. Allocated memory is still 2.6 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...