./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/1_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/1_3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/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 c11ac37b43be66e9ce0dd54a8292c8a5449b189d ............................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-20 10:01:10,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:01:10,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:01:10,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:01:10,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:01:10,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:01:10,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:01:10,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:01:10,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:01:10,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:01:10,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:01:10,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:01:10,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:01:10,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:01:10,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:01:10,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:01:10,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:01:10,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:01:10,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:01:10,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:01:10,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:01:10,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:01:10,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:01:10,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:01:10,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:01:10,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:01:10,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:01:10,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:01:10,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:01:10,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:01:10,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:01:10,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:01:10,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:01:10,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:01:10,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:01:10,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:01:10,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:01:10,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:01:10,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:01:10,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:01:10,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:01:10,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:01:10,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:01:10,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:01:10,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:01:10,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:01:10,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:01:10,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:01:10,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:01:10,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:01:10,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:01:10,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:01:10,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:01:10,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:01:10,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:01:10,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:01:10,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:01:10,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:01:10,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:01:10,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:01:10,529 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:01:10,529 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:01:10,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:01:10,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:01:10,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:01:10,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:01:10,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:01:10,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:01:10,531 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:01:10,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:01:10,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:01:10,532 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_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/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 -> c11ac37b43be66e9ce0dd54a8292c8a5449b189d [2019-11-20 10:01:10,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:01:10,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:01:10,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:01:10,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:01:10,712 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:01:10,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/../../sv-benchmarks/c/ldv-regression/1_3.i [2019-11-20 10:01:10,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/data/412853917/6b673c0ef6204a43821d3af2b3573bc2/FLAG3a8358c87 [2019-11-20 10:01:11,136 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:01:11,137 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/sv-benchmarks/c/ldv-regression/1_3.i [2019-11-20 10:01:11,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/data/412853917/6b673c0ef6204a43821d3af2b3573bc2/FLAG3a8358c87 [2019-11-20 10:01:11,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/data/412853917/6b673c0ef6204a43821d3af2b3573bc2 [2019-11-20 10:01:11,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:01:11,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:01:11,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:01:11,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:01:11,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:01:11,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432b41e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11, skipping insertion in model container [2019-11-20 10:01:11,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:01:11,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:01:11,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:01:11,436 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:01:11,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:01:11,473 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:01:11,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11 WrapperNode [2019-11-20 10:01:11,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:01:11,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:01:11,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:01:11,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:01:11,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:01:11,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:01:11,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:01:11,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:01:11,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:01:11,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:01:11,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:01:11,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:01:11,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:01:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2019-11-20 10:01:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2019-11-20 10:01:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:01:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:01:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:01:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:01:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:01:11,958 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:01:11,958 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-20 10:01:11,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:01:11 BoogieIcfgContainer [2019-11-20 10:01:11,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:01:11,960 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:01:11,960 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:01:11,970 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:01:11,970 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:01:11" (1/1) ... [2019-11-20 10:01:11,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:01:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:01:12,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-11-20 10:01:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-20 10:01:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:01:12,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:01:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:01:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:01:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:01:12,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 13 transitions. [2019-11-20 10:01:12,276 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-11-20 10:01:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:01:12,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:01:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:12,392 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-11-20 10:01:12,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:01:12 ImpRootNode [2019-11-20 10:01:12,418 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:01:12,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:01:12,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:01:12,419 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:01:12,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:01:11" (3/4) ... [2019-11-20 10:01:12,422 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 10:01:12,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cfe67af0-1d40-4980-8d49-a055e1ef1bf1/bin/ukojak/witness.graphml [2019-11-20 10:01:12,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:01:12,465 INFO L168 Benchmark]: Toolchain (without parser) took 1311.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:12,466 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:01:12,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:12,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:01:12,468 INFO L168 Benchmark]: Boogie Preprocessor took 22.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:01:12,469 INFO L168 Benchmark]: RCFGBuilder took 424.35 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:12,469 INFO L168 Benchmark]: CodeCheck took 457.96 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:12,470 INFO L168 Benchmark]: Witness Printer took 45.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:01:12,473 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 2 procedures, 11 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L51] rr * ptr1 = 0; [L31] rr * r = (rr *)malloc(sizeof *r); [L32] r -> state = 0 [L33] return r; [L38] rr * r = getrr(); [L39] r -> state = 1 [L40] return r; [L52] ptr1 = getPtr() [L53] CALL freePtr(ptr1) [L45] EXPR ptr -> state [L45] (ptr -> state == 1) ? (0) : __blast_assert () [L46] ptr -> state = 2 [L53] RET freePtr(ptr1) [L55] CALL freePtr(ptr1) [L45] EXPR ptr -> state [L45] (ptr -> state == 1) ? (0) : __blast_assert () [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 424.35 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * CodeCheck took 457.96 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 45.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...