./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/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 32bit --witnessprinter.graph.data.programhash 6e973c5cecb5d30af2cf4ea74d1b0b1563334ffe ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:26:34,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:26:34,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:26:34,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:26:34,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:26:34,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:26:34,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:26:34,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:26:34,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:26:34,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:26:34,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:26:34,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:26:34,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:26:34,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:26:34,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:26:34,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:26:34,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:26:34,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:26:34,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:26:34,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:26:34,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:26:34,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:26:34,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:26:34,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:26:34,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:26:34,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:26:34,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:26:34,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:26:34,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:26:34,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:26:34,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:26:34,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:26:34,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:26:34,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:26:34,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:26:34,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:26:34,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:26:34,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:26:34,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:26:34,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:26:34,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:26:34,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-26 02:26:34,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:26:34,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:26:34,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:26:34,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:26:34,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:26:34,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:26:34,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:26:34,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:26:34,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:26:34,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:26:34,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:26:34,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:26:34,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:26:34,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:26:34,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:26:34,753 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:26:34,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:26:34,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:26:34,754 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:26:34,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:26:34,754 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:26:34,754 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:26:34,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:26:34,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:26:34,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:26:34,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:26:34,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:26:34,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:26:34,756 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:26:34,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:26:34,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:26:34,756 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_7554d7bc-df89-4860-8a02-583509b23c01/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 ! 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e973c5cecb5d30af2cf4ea74d1b0b1563334ffe [2019-11-26 02:26:34,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:26:34,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:26:34,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:26:34,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:26:34,908 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:26:34,909 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add_1-1.i [2019-11-26 02:26:34,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/data/cd06d5171/366097bdccab4d91aeebd84b1c799f13/FLAG4ecd72884 [2019-11-26 02:26:35,382 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:26:35,383 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/sv-benchmarks/c/bitvector/byte_add_1-1.i [2019-11-26 02:26:35,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/data/cd06d5171/366097bdccab4d91aeebd84b1c799f13/FLAG4ecd72884 [2019-11-26 02:26:35,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/data/cd06d5171/366097bdccab4d91aeebd84b1c799f13 [2019-11-26 02:26:35,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:26:35,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:26:35,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:26:35,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:26:35,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:26:35,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450a94ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35, skipping insertion in model container [2019-11-26 02:26:35,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:26:35,440 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:26:35,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:26:35,680 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:26:35,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:26:35,745 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:26:35,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35 WrapperNode [2019-11-26 02:26:35,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:26:35,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:26:35,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:26:35,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:26:35,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:26:35,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:26:35,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:26:35,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:26:35,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... [2019-11-26 02:26:35,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:26:35,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:26:35,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:26:35,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:26:35,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/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 [2019-11-26 02:26:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:26:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:26:36,562 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:26:36,563 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-26 02:26:36,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:26:36 BoogieIcfgContainer [2019-11-26 02:26:36,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:26:36,564 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:26:36,564 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:26:36,575 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:26:36,575 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:26:36" (1/1) ... [2019-11-26 02:26:36,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:26:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2019-11-26 02:26:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2019-11-26 02:26:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:26:36,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2019-11-26 02:26:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2019-11-26 02:26:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:26:36,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2019-11-26 02:26:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2019-11-26 02:26:36,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:26:36,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2019-11-26 02:26:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2019-11-26 02:26:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:26:36,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2019-11-26 02:26:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2019-11-26 02:26:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:26:36,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2019-11-26 02:26:36,856 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2019-11-26 02:26:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:26:36,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2019-11-26 02:26:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2019-11-26 02:26:36,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:26:36,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2019-11-26 02:26:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2019-11-26 02:26:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:26:36,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2019-11-26 02:26:36,981 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2019-11-26 02:26:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:26:36,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2019-11-26 02:26:37,004 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2019-11-26 02:26:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:26:37,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2019-11-26 02:26:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2019-11-26 02:26:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:26:37,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2019-11-26 02:26:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2019-11-26 02:26:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:26:37,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2019-11-26 02:26:37,081 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2019-11-26 02:26:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:26:37,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2019-11-26 02:26:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2019-11-26 02:26:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:26:37,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2019-11-26 02:26:37,123 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2019-11-26 02:26:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:26:37,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2019-11-26 02:26:37,161 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2019-11-26 02:26:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:26:37,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2019-11-26 02:26:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2019-11-26 02:26:37,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:26:37,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2019-11-26 02:26:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2019-11-26 02:26:37,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:26:37,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2019-11-26 02:26:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2019-11-26 02:26:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:26:37,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2019-11-26 02:26:37,275 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2019-11-26 02:26:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:26:37,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2019-11-26 02:26:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2019-11-26 02:26:37,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:26:37,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2019-11-26 02:26:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2019-11-26 02:26:37,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:26:37,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2019-11-26 02:26:37,362 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2019-11-26 02:26:37,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:26:37,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2019-11-26 02:26:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2019-11-26 02:26:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:26:37,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2019-11-26 02:26:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2019-11-26 02:26:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:26:37,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2019-11-26 02:26:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2019-11-26 02:26:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:26:37,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2019-11-26 02:26:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2019-11-26 02:26:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:26:37,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2019-11-26 02:26:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2019-11-26 02:26:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:26:37,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2019-11-26 02:26:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2019-11-26 02:26:37,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:26:37,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2019-11-26 02:26:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2019-11-26 02:26:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:26:37,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2019-11-26 02:26:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2019-11-26 02:26:37,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:26:37,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2019-11-26 02:26:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2019-11-26 02:26:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:26:37,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2019-11-26 02:26:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2019-11-26 02:26:37,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:26:37,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2019-11-26 02:26:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2019-11-26 02:26:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:26:37,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2019-11-26 02:26:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2019-11-26 02:26:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:26:37,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2019-11-26 02:26:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-26 02:26:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:26:37,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-11-26 02:26:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-11-26 02:26:37,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:26:37,570 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2019-11-26 02:26:37,580 INFO L765 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2019-11-26 02:26:37,643 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:37,648 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:37,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:26:37 ImpRootNode [2019-11-26 02:26:37,649 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:26:37,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:26:37,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:26:37,650 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:26:37,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:26:36" (3/4) ... [2019-11-26 02:26:37,654 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:26:37,669 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-11-26 02:26:37,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-26 02:26:37,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:26:37,763 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7554d7bc-df89-4860-8a02-583509b23c01/bin/ukojak/witness.graphml [2019-11-26 02:26:37,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:26:37,766 INFO L168 Benchmark]: Toolchain (without parser) took 2361.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 977.2 MB in the end (delta: -32.5 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:37,766 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:26:37,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:37,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.78 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. [2019-11-26 02:26:37,767 INFO L168 Benchmark]: Boogie Preprocessor took 27.23 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:37,768 INFO L168 Benchmark]: RCFGBuilder took 749.40 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:37,770 INFO L168 Benchmark]: CodeCheck took 1085.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.2 MB in the end (delta: 98.2 MB). Peak memory consumption was 98.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:37,770 INFO L168 Benchmark]: Witness Printer took 114.02 ms. Allocated memory is still 1.2 GB. Free memory was 984.2 MB in the beginning and 977.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:37,772 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, 95 locations, 36 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1471473888 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2510 GetRequests, 2510 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 2974 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 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: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.78 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. * Boogie Preprocessor took 27.23 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 749.40 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1085.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.2 MB in the end (delta: 98.2 MB). Peak memory consumption was 98.2 MB. Max. memory is 11.5 GB. * Witness Printer took 114.02 ms. Allocated memory is still 1.2 GB. Free memory was 984.2 MB in the beginning and 977.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...