./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1.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_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/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 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 02:07:17,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 02:07:17,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 02:07:17,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 02:07:17,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 02:07:17,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 02:07:17,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 02:07:17,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 02:07:17,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 02:07:17,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 02:07:17,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 02:07:17,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 02:07:17,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 02:07:17,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 02:07:17,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 02:07:17,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 02:07:17,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 02:07:17,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 02:07:17,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 02:07:17,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 02:07:17,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 02:07:17,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 02:07:17,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 02:07:17,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 02:07:17,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 02:07:17,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 02:07:17,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 02:07:17,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 02:07:17,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 02:07:17,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 02:07:17,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 02:07:17,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 02:07:17,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 02:07:17,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 02:07:17,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 02:07:17,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 02:07:17,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 02:07:17,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 02:07:17,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 02:07:17,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 02:07:17,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 02:07:17,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 02:07:17,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 02:07:17,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 02:07:17,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 02:07:17,759 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 02:07:17,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 02:07:17,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 02:07:17,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 02:07:17,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 02:07:17,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 02:07:17,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 02:07:17,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 02:07:17,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 02:07:17,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 02:07:17,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 02:07:17,761 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 02:07:17,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 02:07:17,762 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 02:07:17,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 02:07:17,762 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 02:07:17,762 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 02:07:17,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 02:07:17,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 02:07:17,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 02:07:17,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 02:07:17,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 02:07:17,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 02:07:17,764 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 02:07:17,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 02:07:17,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 02:07:17,764 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_85049c4a-69a4-4c00-ad4a-d08879854cce/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 -> 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 [2019-12-02 02:07:17,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 02:07:17,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 02:07:17,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 02:07:17,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 02:07:17,885 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 02:07:17,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/../../sv-benchmarks/c/loops/insertion_sort-1.c [2019-12-02 02:07:17,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/data/a96cd4f24/c508645e03b84eada0ac3b9163d8f1d8/FLAG706e74547 [2019-12-02 02:07:18,366 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 02:07:18,367 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/sv-benchmarks/c/loops/insertion_sort-1.c [2019-12-02 02:07:18,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/data/a96cd4f24/c508645e03b84eada0ac3b9163d8f1d8/FLAG706e74547 [2019-12-02 02:07:18,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/data/a96cd4f24/c508645e03b84eada0ac3b9163d8f1d8 [2019-12-02 02:07:18,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 02:07:18,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 02:07:18,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 02:07:18,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 02:07:18,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 02:07:18,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3d67c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18, skipping insertion in model container [2019-12-02 02:07:18,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 02:07:18,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 02:07:18,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:07:18,541 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 02:07:18,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:07:18,568 INFO L208 MainTranslator]: Completed translation [2019-12-02 02:07:18,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18 WrapperNode [2019-12-02 02:07:18,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 02:07:18,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 02:07:18,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 02:07:18,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 02:07:18,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 02:07:18,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 02:07:18,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 02:07:18,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 02:07:18,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 02:07:18,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 02:07:18,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 02:07:18,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 02:07:18,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/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 02:07:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 02:07:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 02:07:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 02:07:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 02:07:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 02:07:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 02:07:18,846 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 02:07:18,846 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-02 02:07:18,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:18 BoogieIcfgContainer [2019-12-02 02:07:18,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 02:07:18,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 02:07:18,848 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 02:07:18,856 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 02:07:18,856 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:18" (1/1) ... [2019-12-02 02:07:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 02:07:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-12-02 02:07:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-12-02 02:07:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 02:07:18,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:19,033 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 02:07:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2019-12-02 02:07:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2019-12-02 02:07:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 02:07:19,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:19,101 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 02:07:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2019-12-02 02:07:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-12-02 02:07:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 02:07:19,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:19,435 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 02:07:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 20 states and 35 transitions. [2019-12-02 02:07:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 35 transitions. [2019-12-02 02:07:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 02:07:19,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2019-12-02 02:07:21,485 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2019-12-02 02:07:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 02:07:21,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:21,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2019-12-02 02:07:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2019-12-02 02:07:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 02:07:23,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2019-12-02 02:07:23,740 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2019-12-02 02:07:23,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 02:07:23,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:24,668 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-12-02 02:07:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2019-12-02 02:07:25,537 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2019-12-02 02:07:25,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 02:07:25,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2019-12-02 02:07:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2019-12-02 02:07:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 02:07:27,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 89 transitions. [2019-12-02 02:07:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 89 transitions. [2019-12-02 02:07:33,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 02:07:33,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 92 transitions. [2019-12-02 02:07:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2019-12-02 02:07:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 02:07:35,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2019-12-02 02:07:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2019-12-02 02:07:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 02:07:36,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2019-12-02 02:07:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2019-12-02 02:07:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 02:07:40,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2019-12-02 02:07:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2019-12-02 02:07:41,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 02:07:41,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2019-12-02 02:07:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2019-12-02 02:07:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 02:07:47,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2019-12-02 02:07:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2019-12-02 02:07:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 02:07:49,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:07:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:07:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 130 transitions. [2019-12-02 02:07:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 130 transitions. [2019-12-02 02:07:56,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 02:07:56,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:07:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:07:57,620 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:08:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:08:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 69 states and 141 transitions. [2019-12-02 02:08:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 141 transitions. [2019-12-02 02:08:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 02:08:01,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:08:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:08:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 02:08:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:08:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 70 states and 141 transitions. [2019-12-02 02:08:02,328 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 141 transitions. [2019-12-02 02:08:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 02:08:02,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:08:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:08:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:08:04,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:08:04,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2019-12-02 02:08:04,551 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2019-12-02 02:08:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 02:08:04,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:08:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:08:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:08:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:08:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 83 states and 166 transitions. [2019-12-02 02:08:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2019-12-02 02:08:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 02:08:20,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:08:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:08:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:08:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:08:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 78 states and 145 transitions. [2019-12-02 02:08:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2019-12-02 02:08:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 02:08:25,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:08:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:08:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:08:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:08:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 78 states and 142 transitions. [2019-12-02 02:08:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 142 transitions. [2019-12-02 02:08:30,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 02:08:30,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:08:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:08:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:08:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:08:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 144 transitions. [2019-12-02 02:08:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 144 transitions. [2019-12-02 02:08:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-02 02:08:33,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:08:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:08:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:08:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:08:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 84 states and 154 transitions. [2019-12-02 02:08:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2019-12-02 02:08:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 02:08:40,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:08:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:08:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:06,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 91 states and 170 transitions. [2019-12-02 02:09:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 170 transitions. [2019-12-02 02:09:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 02:09:06,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 92 states and 171 transitions. [2019-12-02 02:09:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 171 transitions. [2019-12-02 02:09:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 02:09:13,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:09:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:09:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:09:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 93 states and 171 transitions. [2019-12-02 02:09:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2019-12-02 02:09:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 02:09:21,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:09:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 02:09:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 02:09:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 02:09:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 02:09:21,669 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2019-12-02 02:09:21,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:09:21 ImpRootNode [2019-12-02 02:09:21,697 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 02:09:21,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 02:09:21,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 02:09:21,698 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 02:09:21,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:18" (3/4) ... [2019-12-02 02:09:21,700 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-02 02:09:21,746 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_85049c4a-69a4-4c00-ad4a-d08879854cce/bin/ukojak/witness.graphml [2019-12-02 02:09:21,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 02:09:21,748 INFO L168 Benchmark]: Toolchain (without parser) took 123365.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 949.0 MB in the beginning and 831.2 MB in the end (delta: 117.7 MB). Peak memory consumption was 245.7 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:21,748 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 02:09:21,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 949.0 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:21,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 02:09:21,749 INFO L168 Benchmark]: Boogie Preprocessor took 15.99 ms. Allocated memory is still 1.1 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 02:09:21,750 INFO L168 Benchmark]: RCFGBuilder took 238.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:21,750 INFO L168 Benchmark]: CodeCheck took 122849.87 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Free memory was 1.1 GB in the beginning and 833.4 MB in the end (delta: 231.8 MB). Peak memory consumption was 261.6 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:21,751 INFO L168 Benchmark]: Witness Printer took 48.87 ms. Allocated memory is still 1.2 GB. Free memory was 833.4 MB in the beginning and 831.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-02 02:09:21,755 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, 11 locations, 1 error locations. Result: UNSAFE, OverallTime: 122.8s, OverallIterations: 28, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 402653184 SDtfs, 251800944 SDslu, 40370176 SDs, 0 SdLazy, -701241120 SolverSat, 1007267424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5332 GetRequests, 4435 SyntacticMatches, 371 SemanticMatches, 526 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175858 ImplicationChecksByTransitivity, 119.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 167515 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 2 PerfectInterpolantSequences, 45/476 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 - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L11] unsigned int SIZE=__VERIFIER_nondet_uint(); [L12] int i, j, k, key; [L13] int v[SIZE]; [L14] j=1 [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND TRUE (i>=0) && (v[i]>key) [L18] COND FALSE !(i<2) [L20] i = i - 1 [L17] (i>=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND TRUE (i>=0) && (v[i]>key) [L18] COND TRUE i<2 [L19] EXPR v[i] [L19] v[i+1] = v[i] [L20] i = i - 1 [L17] (i>=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND FALSE !(j