./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 75f71671f83387eb35a445031d63abe79f5c0c7c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 06:18:58,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 06:18:58,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 06:18:58,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 06:18:58,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 06:18:58,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 06:18:58,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 06:18:58,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 06:18:58,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 06:18:58,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 06:18:58,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 06:18:58,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 06:18:58,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 06:18:58,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 06:18:58,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 06:18:58,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 06:18:58,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 06:18:58,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 06:18:58,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 06:18:58,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 06:18:58,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 06:18:58,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 06:18:58,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 06:18:58,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 06:18:58,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 06:18:58,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 06:18:58,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 06:18:58,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 06:18:58,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 06:18:58,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 06:18:58,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 06:18:58,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 06:18:58,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 06:18:58,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 06:18:58,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 06:18:58,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 06:18:58,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 06:18:58,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 06:18:58,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 06:18:58,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 06:18:58,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 06:18:58,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 06:18:58,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 06:18:58,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 06:18:58,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 06:18:58,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 06:18:58,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 06:18:58,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 06:18:58,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 06:18:58,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 06:18:58,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 06:18:58,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 06:18:58,372 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 06:18:58,372 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 06:18:58,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 06:18:58,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 06:18:58,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:18:58,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 06:18:58,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 06:18:58,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 06:18:58,373 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 06:18:58,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 06:18:58,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 06:18:58,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f71671f83387eb35a445031d63abe79f5c0c7c [2019-12-02 06:18:58,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 06:18:58,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 06:18:58,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 06:18:58,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 06:18:58,492 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 06:18:58,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2019-12-02 06:18:58,533 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/data/d5dba85cc/76dcee969b7b4ed8866da4ee6e4d25a1/FLAG87a2fba28 [2019-12-02 06:18:58,976 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 06:18:58,977 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2019-12-02 06:18:58,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/data/d5dba85cc/76dcee969b7b4ed8866da4ee6e4d25a1/FLAG87a2fba28 [2019-12-02 06:18:58,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/data/d5dba85cc/76dcee969b7b4ed8866da4ee6e4d25a1 [2019-12-02 06:18:58,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 06:18:58,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 06:18:58,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 06:18:58,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 06:18:58,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 06:18:58,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:18:58" (1/1) ... [2019-12-02 06:18:58,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d2714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:58, skipping insertion in model container [2019-12-02 06:18:58,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:18:58" (1/1) ... [2019-12-02 06:18:59,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 06:18:59,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 06:18:59,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:18:59,176 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 06:18:59,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:18:59,208 INFO L208 MainTranslator]: Completed translation [2019-12-02 06:18:59,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59 WrapperNode [2019-12-02 06:18:59,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 06:18:59,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 06:18:59,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 06:18:59,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 06:18:59,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 06:18:59,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 06:18:59,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 06:18:59,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 06:18:59,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 06:18:59,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 06:18:59,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 06:18:59,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 06:18:59,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:18:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:18:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 06:18:59,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 06:18:59,529 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 06:18:59,529 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-02 06:18:59,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:18:59 BoogieIcfgContainer [2019-12-02 06:18:59,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 06:18:59,530 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 06:18:59,530 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 06:18:59,537 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 06:18:59,537 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:18:59" (1/1) ... [2019-12-02 06:18:59,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 06:18:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:18:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 102 transitions. [2019-12-02 06:18:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-02 06:18:59,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 06:18:59,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:18:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:18:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:18:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:18:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2019-12-02 06:18:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-02 06:18:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 06:18:59,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:18:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:18:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:18:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:18:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2019-12-02 06:18:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2019-12-02 06:18:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:18:59,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:18:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:18:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2019-12-02 06:19:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-12-02 06:19:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:19:00,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2019-12-02 06:19:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2019-12-02 06:19:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:19:00,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 77 states and 107 transitions. [2019-12-02 06:19:00,311 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-12-02 06:19:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:19:00,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 104 transitions. [2019-12-02 06:19:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-12-02 06:19:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:19:00,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2019-12-02 06:19:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2019-12-02 06:19:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:19:00,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:00,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2019-12-02 06:19:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2019-12-02 06:19:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:19:00,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2019-12-02 06:19:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2019-12-02 06:19:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:19:01,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 81 states and 108 transitions. [2019-12-02 06:19:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 108 transitions. [2019-12-02 06:19:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:19:01,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2019-12-02 06:19:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2019-12-02 06:19:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:19:01,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:01,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2019-12-02 06:19:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2019-12-02 06:19:01,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:19:01,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 92 states and 123 transitions. [2019-12-02 06:19:02,488 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2019-12-02 06:19:02,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:19:02,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 125 transitions. [2019-12-02 06:19:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2019-12-02 06:19:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:19:02,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2019-12-02 06:19:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2019-12-02 06:19:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:19:03,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 100 states and 131 transitions. [2019-12-02 06:19:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2019-12-02 06:19:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:19:03,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 103 states and 137 transitions. [2019-12-02 06:19:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 137 transitions. [2019-12-02 06:19:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:19:03,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 88 states and 114 transitions. [2019-12-02 06:19:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 114 transitions. [2019-12-02 06:19:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:19:04,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:05,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 92 states and 121 transitions. [2019-12-02 06:19:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 121 transitions. [2019-12-02 06:19:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:19:05,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 95 states and 125 transitions. [2019-12-02 06:19:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 125 transitions. [2019-12-02 06:19:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:19:06,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 93 states and 122 transitions. [2019-12-02 06:19:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2019-12-02 06:19:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:19:06,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 96 states and 128 transitions. [2019-12-02 06:19:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 128 transitions. [2019-12-02 06:19:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:19:06,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 66 states and 80 transitions. [2019-12-02 06:19:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2019-12-02 06:19:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:19:07,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:07,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 06:19:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2019-12-02 06:19:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2019-12-02 06:19:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:19:07,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:09,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2019-12-02 06:19:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2019-12-02 06:19:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 06:19:09,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:19:09,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:09,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2019-12-02 06:19:09,620 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2019-12-02 06:19:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 06:19:09,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:19:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2019-12-02 06:19:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-12-02 06:19:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 06:19:10,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:19:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:19:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:19:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:19:10,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2019-12-02 06:19:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2019-12-02 06:19:10,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 06:19:10,562 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2019-12-02 06:19:10,569 INFO L765 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2019-12-02 06:19:10,647 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2019-12-02 06:19:10,655 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:19:10,655 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:19:10,655 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-02 06:19:10,655 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-12-02 06:19:10,656 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-12-02 06:19:10,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:19:10 ImpRootNode [2019-12-02 06:19:10,656 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 06:19:10,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 06:19:10,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 06:19:10,657 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 06:19:10,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:18:59" (3/4) ... [2019-12-02 06:19:10,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 06:19:10,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 06:19:10,669 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 06:19:10,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ffe08598-2c52-4dd2-aeeb-014265c4ec6d/bin/ukojak/witness.graphml [2019-12-02 06:19:10,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 06:19:10,722 INFO L168 Benchmark]: Toolchain (without parser) took 11728.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -282.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:19:10,722 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:19:10,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-02 06:19:10,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:19:10,723 INFO L168 Benchmark]: Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:19:10,723 INFO L168 Benchmark]: RCFGBuilder took 274.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-12-02 06:19:10,724 INFO L168 Benchmark]: CodeCheck took 11126.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -130.6 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-12-02 06:19:10,724 INFO L168 Benchmark]: Witness Printer took 64.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-12-02 06:19:10,725 INFO L335 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, 73 locations, 18 error locations. Result: SAFE, OverallTime: 11.0s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1547691264 SDtfs, 1557419936 SDslu, 205079448 SDs, 0 SdLazy, -1470001772 SolverSat, -2106650784 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3140 GetRequests, 2718 SyntacticMatches, 196 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20456 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 15445 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 23 PerfectInterpolantSequences, 6/12 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 67]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 171]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 361]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 340]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 373]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 79]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 292]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 121]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 137]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 149]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 231]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 328]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 304]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 273]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 219]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t + 1 <= main__tagbuf_len - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 215.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 274.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 11126.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -130.6 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Witness Printer took 64.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...