./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/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 39996758d4a4793ed5619e696b4574ccdffaa666 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 13:22:09,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:22:09,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:22:09,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:22:09,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:22:09,472 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:22:09,472 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:22:09,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:22:09,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:22:09,475 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:22:09,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:22:09,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:22:09,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:22:09,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:22:09,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:22:09,478 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:22:09,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:22:09,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:22:09,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:22:09,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:22:09,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:22:09,482 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:22:09,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:22:09,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:22:09,483 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:22:09,484 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:22:09,485 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:22:09,485 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:22:09,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:22:09,486 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:22:09,486 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:22:09,487 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:22:09,487 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:22:09,487 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:22:09,488 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:22:09,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:22:09,489 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:22:09,496 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:22:09,496 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:22:09,497 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:22:09,497 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:22:09,497 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:22:09,498 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:22:09,498 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:22:09,498 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:22:09,498 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:22:09,498 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:22:09,498 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:22:09,498 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:22:09,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:22:09,499 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:22:09,499 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:22:09,499 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:22:09,499 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:22:09,499 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:22:09,499 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:22:09,499 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:22:09,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:22:09,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:22:09,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:22:09,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:22:09,500 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:22:09,500 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:22:09,500 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:22:09,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:22:09,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:22:09,501 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2018-11-18 13:22:09,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:22:09,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:22:09,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:22:09,538 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:22:09,539 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:22:09,539 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 13:22:09,583 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/data/3f0671cb1/7c21c90839734c8696101ed20fa826e0/FLAGc32653353 [2018-11-18 13:22:10,025 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:22:10,026 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 13:22:10,033 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/data/3f0671cb1/7c21c90839734c8696101ed20fa826e0/FLAGc32653353 [2018-11-18 13:22:10,041 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/data/3f0671cb1/7c21c90839734c8696101ed20fa826e0 [2018-11-18 13:22:10,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:22:10,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:22:10,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:22:10,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:22:10,048 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:22:10,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633ddd6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10, skipping insertion in model container [2018-11-18 13:22:10,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:22:10,091 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:22:10,281 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:22:10,288 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:22:10,323 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:22:10,400 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:22:10,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10 WrapperNode [2018-11-18 13:22:10,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:22:10,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:22:10,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:22:10,401 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:22:10,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:22:10,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:22:10,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:22:10,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:22:10,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:22:10,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:22:10,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:22:10,454 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:22:10,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:22:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:22:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:22:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:22:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:22:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 13:22:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 13:22:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:22:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:22:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:22:10,885 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:22:10,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:10 BoogieIcfgContainer [2018-11-18 13:22:10,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:22:10,886 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:22:10,886 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:22:10,893 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:22:10,893 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:10" (1/1) ... [2018-11-18 13:22:10,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:22:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2018-11-18 13:22:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2018-11-18 13:22:10,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 13:22:10,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2018-11-18 13:22:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2018-11-18 13:22:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:22:11,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2018-11-18 13:22:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2018-11-18 13:22:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:22:11,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 134 transitions. [2018-11-18 13:22:11,108 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2018-11-18 13:22:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 13:22:11,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 95 states and 140 transitions. [2018-11-18 13:22:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2018-11-18 13:22:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 13:22:11,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 101 states and 147 transitions. [2018-11-18 13:22:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2018-11-18 13:22:11,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 13:22:11,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 102 states and 145 transitions. [2018-11-18 13:22:11,553 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2018-11-18 13:22:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 13:22:11,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 103 states and 143 transitions. [2018-11-18 13:22:11,572 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2018-11-18 13:22:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 13:22:11,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 92 states and 132 transitions. [2018-11-18 13:22:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 132 transitions. [2018-11-18 13:22:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 13:22:11,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 97 states and 135 transitions. [2018-11-18 13:22:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2018-11-18 13:22:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 13:22:11,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 95 states and 133 transitions. [2018-11-18 13:22:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2018-11-18 13:22:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:22:11,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:12,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 107 states and 150 transitions. [2018-11-18 13:22:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2018-11-18 13:22:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:22:12,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 109 states and 153 transitions. [2018-11-18 13:22:12,524 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2018-11-18 13:22:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:22:12,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 128 states and 179 transitions. [2018-11-18 13:22:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2018-11-18 13:22:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:22:13,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 130 states and 182 transitions. [2018-11-18 13:22:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 182 transitions. [2018-11-18 13:22:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:22:13,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:22:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 141 states and 202 transitions. [2018-11-18 13:22:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 202 transitions. [2018-11-18 13:22:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:22:14,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 143 states and 205 transitions. [2018-11-18 13:22:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 205 transitions. [2018-11-18 13:22:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:22:14,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 146 states and 210 transitions. [2018-11-18 13:22:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 210 transitions. [2018-11-18 13:22:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 13:22:15,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:22:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 149 states and 214 transitions. [2018-11-18 13:22:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 214 transitions. [2018-11-18 13:22:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:22:15,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:22:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 153 states and 220 transitions. [2018-11-18 13:22:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 220 transitions. [2018-11-18 13:22:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:22:15,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 155 states and 222 transitions. [2018-11-18 13:22:15,823 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 222 transitions. [2018-11-18 13:22:15,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:22:15,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 179 states and 261 transitions. [2018-11-18 13:22:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 261 transitions. [2018-11-18 13:22:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:22:18,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:19,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 181 states and 263 transitions. [2018-11-18 13:22:19,015 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 263 transitions. [2018-11-18 13:22:19,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 13:22:19,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 207 states and 316 transitions. [2018-11-18 13:22:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 316 transitions. [2018-11-18 13:22:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 13:22:20,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 209 states and 320 transitions. [2018-11-18 13:22:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 320 transitions. [2018-11-18 13:22:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:22:21,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:22,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 221 states and 334 transitions. [2018-11-18 13:22:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 334 transitions. [2018-11-18 13:22:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:22:22,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 223 states and 338 transitions. [2018-11-18 13:22:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 338 transitions. [2018-11-18 13:22:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:22:22,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:24,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 247 states and 375 transitions. [2018-11-18 13:22:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 375 transitions. [2018-11-18 13:22:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 13:22:24,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 249 states and 379 transitions. [2018-11-18 13:22:25,131 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 379 transitions. [2018-11-18 13:22:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:22:25,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 270 states and 416 transitions. [2018-11-18 13:22:29,526 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 416 transitions. [2018-11-18 13:22:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:22:29,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 276 states and 429 transitions. [2018-11-18 13:22:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 429 transitions. [2018-11-18 13:22:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:22:30,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:22:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 283 states and 438 transitions. [2018-11-18 13:22:32,286 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 438 transitions. [2018-11-18 13:22:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:22:32,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 295 states and 455 transitions. [2018-11-18 13:22:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 455 transitions. [2018-11-18 13:22:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:22:33,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 297 states and 459 transitions. [2018-11-18 13:22:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 459 transitions. [2018-11-18 13:22:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:22:33,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 299 states and 460 transitions. [2018-11-18 13:22:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 460 transitions. [2018-11-18 13:22:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:22:34,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 314 states and 486 transitions. [2018-11-18 13:22:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 486 transitions. [2018-11-18 13:22:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:22:36,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 326 states and 508 transitions. [2018-11-18 13:22:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 508 transitions. [2018-11-18 13:22:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:22:38,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 330 states and 517 transitions. [2018-11-18 13:22:38,984 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 517 transitions. [2018-11-18 13:22:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 13:22:38,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:39,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 334 states and 534 transitions. [2018-11-18 13:22:39,685 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 534 transitions. [2018-11-18 13:22:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:22:39,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 356 states and 566 transitions. [2018-11-18 13:22:45,258 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 566 transitions. [2018-11-18 13:22:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:22:45,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 358 states and 568 transitions. [2018-11-18 13:22:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 568 transitions. [2018-11-18 13:22:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:22:46,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:22:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 360 states and 572 transitions. [2018-11-18 13:22:47,204 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 572 transitions. [2018-11-18 13:22:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:22:47,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:50,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 390 states and 628 transitions. [2018-11-18 13:22:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 628 transitions. [2018-11-18 13:22:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 13:22:50,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:51,182 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:52,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 394 states and 637 transitions. [2018-11-18 13:22:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 637 transitions. [2018-11-18 13:22:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:22:52,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:22:59,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:22:59,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 427 states and 702 transitions. [2018-11-18 13:22:59,082 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 702 transitions. [2018-11-18 13:22:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 13:22:59,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:22:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:23:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:23:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 431 states and 712 transitions. [2018-11-18 13:23:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 712 transitions. [2018-11-18 13:23:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:23:00,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:23:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:23:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:23:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 464 states and 770 transitions. [2018-11-18 13:23:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 770 transitions. [2018-11-18 13:23:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:23:15,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:23:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:23:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:23:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 466 states and 772 transitions. [2018-11-18 13:23:16,805 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 772 transitions. [2018-11-18 13:23:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:23:16,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:23:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:23:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:23:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 476 states and 788 transitions. [2018-11-18 13:23:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 788 transitions. [2018-11-18 13:23:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:23:18,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:23:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:23:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:23:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 478 states and 793 transitions. [2018-11-18 13:23:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 793 transitions. [2018-11-18 13:23:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 13:23:19,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:23:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:23:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:23:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:23:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 484 states and 814 transitions. [2018-11-18 13:23:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 814 transitions. [2018-11-18 13:23:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:23:22,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:23:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:23:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:23:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:23:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:23:23,052 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 51 iterations. [2018-11-18 13:23:23,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:23:23 ImpRootNode [2018-11-18 13:23:23,089 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:23:23,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:23:23,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:23:23,089 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:23:23,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:22:10" (3/4) ... [2018-11-18 13:23:23,092 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 13:23:23,156 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1af180da-f7f6-48f1-be81-d2b755870722/bin-2019/ukojak/witness.graphml [2018-11-18 13:23:23,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:23:23,157 INFO L168 Benchmark]: Toolchain (without parser) took 73113.76 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 956.6 MB in the beginning and 985.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 13:23:23,158 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:23:23,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:23,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:23,159 INFO L168 Benchmark]: Boogie Preprocessor took 21.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:23,159 INFO L168 Benchmark]: RCFGBuilder took 431.87 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:23:23,160 INFO L168 Benchmark]: CodeCheck took 72202.64 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 949.0 MB). Free memory was 1.1 GB in the beginning and 985.8 MB in the end (delta: 84.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 13:23:23,160 INFO L168 Benchmark]: Witness Printer took 67.68 ms. Allocated memory is still 2.1 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:23:23,162 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 94 locations, 14 error locations. UNSAFE Result, 72.1s OverallTime, 51 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -943585408 SDtfs, -1053316778 SDslu, 296700594 SDs, 0 SdLazy, -1939732576 SolverSat, -300143224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13285 GetRequests, 12005 SyntacticMatches, 488 SemanticMatches, 792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377549 ImplicationChecksByTransitivity, 67.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1541 NumberOfCodeBlocks, 1541 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1443 ConstructedInterpolants, 0 QuantifiedInterpolants, 790104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 10 PerfectInterpolantSequences, 68/728 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1038]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = ((void*)0) [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L990] SLL* item = head; [L991] int status = 0; [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) [L995] FCALL item->next = malloc(sizeof(SLL)) [L996] EXPR, FCALL item->next [L996] FCALL item->next->prev = item [L997] EXPR, FCALL item->next [L997] item = item->next [L998] FCALL item->next = ((void*)0) [L1000] COND TRUE !status [L1002] FCALL item->data = 1 [L1003] status = 1 [L1016] COND FALSE !(!(head != ((void*)0))) [L1016] COND FALSE !(0) [L1017] COND FALSE !(!(item != ((void*)0))) [L1017] COND FALSE !(0) [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) [L995] FCALL item->next = malloc(sizeof(SLL)) [L996] EXPR, FCALL item->next [L996] FCALL item->next->prev = item [L997] EXPR, FCALL item->next [L997] item = item->next [L998] FCALL item->next = ((void*)0) [L1000] COND FALSE !(!status) [L1005] COND TRUE status == 1 [L1007] FCALL item->data = 2 [L1008] status = 2 [L1016] COND FALSE !(!(head != ((void*)0))) [L1016] COND FALSE !(0) [L1017] COND FALSE !(!(item != ((void*)0))) [L1017] COND FALSE !(0) [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) [L995] FCALL item->next = malloc(sizeof(SLL)) [L996] EXPR, FCALL item->next [L996] FCALL item->next->prev = item [L997] EXPR, FCALL item->next [L997] item = item->next [L998] FCALL item->next = ((void*)0) [L1000] COND FALSE !(!status) [L1005] COND FALSE !(status == 1) [L1010] COND TRUE status >= 2 [L1012] FCALL item->data = 3 [L1013] status = 3 [L1016] COND FALSE !(!(head != ((void*)0))) [L1016] COND FALSE !(0) [L1017] COND FALSE !(!(item != ((void*)0))) [L1017] COND FALSE !(0) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1020] COND FALSE !(!(head != ((void*)0))) [L1020] COND FALSE !(0) [L1021] COND FALSE !(status == 1) [L1026] COND FALSE !(status == 2) [L1032] COND TRUE status == 3 [L1034] COND FALSE !(!(head != ((void*)0))) [L1034] COND FALSE !(0) [L1035] EXPR, FCALL head->next [L1035] COND FALSE !(!(head->next != ((void*)0))) [L1035] COND FALSE !(0) [L1036] EXPR, FCALL head->next [L1036] EXPR, FCALL head->next->next [L1036] COND FALSE !(!(head->next->next != ((void*)0))) [L1036] COND FALSE !(0) [L1037] EXPR, FCALL head->next [L1037] EXPR, FCALL head->next->next [L1037] EXPR, FCALL head->next->next->next [L1037] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1037] COND FALSE !(0) [L1038] EXPR, FCALL head->next [L1038] EXPR, FCALL head->next->next [L1038] EXPR, FCALL head->next->next->next [L1038] EXPR, FCALL head->next->next->next->data [L1038] COND TRUE !(head->next->next->next->data != 3) [L1038] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 431.87 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * CodeCheck took 72202.64 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 949.0 MB). Free memory was 1.1 GB in the beginning and 985.8 MB in the end (delta: 84.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 67.68 ms. Allocated memory is still 2.1 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...