./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/1_3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/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 4dd574cd450f66ad0a509d55de13eff19153a3c0 ............................................................................................................................................................................................................................. 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 0.1.24-6b5699a [2019-11-26 02:41:21,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:41:21,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:41:21,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:41:21,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:41:21,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:41:21,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:41:21,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:41:21,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:41:21,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:41:21,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:41:21,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:41:21,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:41:21,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:41:21,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:41:21,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:41:21,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:41:21,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:41:21,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:41:21,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:41:21,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:41:21,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:41:21,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:41:21,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:41:21,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:41:21,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:41:21,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:41:21,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:41:21,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:41:21,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:41:21,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:41:21,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:41:21,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:41:21,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:41:21,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:41:21,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:41:21,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:41:21,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:41:21,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:41:21,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:41:21,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:41:21,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:41:21,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:41:21,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:41:21,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:41:21,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:41:21,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:41:21,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:41:21,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:41:21,418 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:41:21,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:41:21,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:41:21,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:41:21,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:41:21,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:41:21,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:41:21,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:41:21,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:41:21,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:41:21,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:41:21,419 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:41:21,420 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:41:21,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:41:21,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:41:21,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:41:21,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:41:21,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:41:21,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:41:21,421 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:41:21,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:41:21,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:41:21,422 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_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/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 -> 4dd574cd450f66ad0a509d55de13eff19153a3c0 [2019-11-26 02:41:21,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:41:21,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:41:21,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:41:21,589 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:41:21,589 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:41:21,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/../../sv-benchmarks/c/ldv-regression/1_3.i [2019-11-26 02:41:21,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/data/bdadd5730/f4cb310aa8c440bbafea2c6f3239aefe/FLAGd39342304 [2019-11-26 02:41:22,025 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:41:22,026 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/sv-benchmarks/c/ldv-regression/1_3.i [2019-11-26 02:41:22,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/data/bdadd5730/f4cb310aa8c440bbafea2c6f3239aefe/FLAGd39342304 [2019-11-26 02:41:22,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/data/bdadd5730/f4cb310aa8c440bbafea2c6f3239aefe [2019-11-26 02:41:22,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:41:22,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:41:22,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:22,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:41:22,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:41:22,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e13db55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22, skipping insertion in model container [2019-11-26 02:41:22,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:41:22,071 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:41:22,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:22,276 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:41:22,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:22,304 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:41:22,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22 WrapperNode [2019-11-26 02:41:22,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:22,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:22,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:41:22,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:41:22,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:22,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:41:22,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:41:22,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:41:22,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:41:22,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:41:22,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:41:22,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:41:22,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2019-11-26 02:41:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2019-11-26 02:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:41:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:41:22,812 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:41:22,812 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-26 02:41:22,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:22 BoogieIcfgContainer [2019-11-26 02:41:22,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:41:22,814 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:41:22,814 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:41:22,825 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:41:22,826 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:22" (1/1) ... [2019-11-26 02:41:22,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:41:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-11-26 02:41:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-26 02:41:22,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:41:22,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:41:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:41:23,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 13 transitions. [2019-11-26 02:41:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-11-26 02:41:23,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:41:23,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:41:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:41:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:41:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:41:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:41:23,284 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-11-26 02:41:23,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:41:23 ImpRootNode [2019-11-26 02:41:23,319 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:41:23,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:41:23,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:41:23,320 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:41:23,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:22" (3/4) ... [2019-11-26 02:41:23,323 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:41:23,378 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ade7bdc-a2d4-40ad-8fcf-d5b35930c2af/bin/ukojak/witness.graphml [2019-11-26 02:41:23,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:41:23,380 INFO L168 Benchmark]: Toolchain (without parser) took 1337.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -121.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:23,381 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:23,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:23,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.18 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. [2019-11-26 02:41:23,382 INFO L168 Benchmark]: Boogie Preprocessor took 18.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:23,383 INFO L168 Benchmark]: RCFGBuilder took 459.73 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. [2019-11-26 02:41:23,384 INFO L168 Benchmark]: CodeCheck took 505.68 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. [2019-11-26 02:41:23,384 INFO L168 Benchmark]: Witness Printer took 58.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:23,387 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: [L50] rr * ptr1 = 0; [L30] rr * r = (rr *)malloc(sizeof *r); [L31] r -> state = 0 [L32] return r; [L37] rr * r = getrr(); [L38] r -> state = 1 [L39] return r; [L51] ptr1 = getPtr() [L52] CALL freePtr(ptr1) [L44] EXPR ptr -> state [L44] (ptr -> state == 1) ? (0) : __blast_assert () [L45] ptr -> state = 2 [L52] RET freePtr(ptr1) [L54] CALL freePtr(ptr1) [L44] EXPR ptr -> state [L44] (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 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.18 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. * Boogie Preprocessor took 18.48 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 459.73 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 505.68 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 58.25 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...