./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/1_3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7604f323f01a3c659629a3446d646b5cd5a69c1 ......................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 19:26:23,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:26:23,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:26:23,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:26:23,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:26:23,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:26:23,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:26:23,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:26:23,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:26:23,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:26:23,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:26:23,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:26:23,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:26:23,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:26:23,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:26:23,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:26:23,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:26:24,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:26:24,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:26:24,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:26:24,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:26:24,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:26:24,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:26:24,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:26:24,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:26:24,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:26:24,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:26:24,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:26:24,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:26:24,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:26:24,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:26:24,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:26:24,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:26:24,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:26:24,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:26:24,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:26:24,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:26:24,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:26:24,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:26:24,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:26:24,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:26:24,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:26:24,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:26:24,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:26:24,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:26:24,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:26:24,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:26:24,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:26:24,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:26:24,095 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:26:24,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:26:24,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:26:24,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:26:24,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:26:24,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:26:24,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:26:24,098 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:26:24,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:26:24,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:26:24,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:26:24,099 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:26:24,099 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:26:24,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:26:24,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:26:24,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:26:24,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:26:24,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:26:24,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:26:24,101 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:26:24,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:26:24,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:26:24,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7604f323f01a3c659629a3446d646b5cd5a69c1 [2020-11-29 19:26:24,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:26:24,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:26:24,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:26:24,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:26:24,430 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:26:24,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/../../sv-benchmarks/c/ldv-regression/1_3.i [2020-11-29 19:26:24,561 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/data/a0e4b6066/8fe3715dc7ca40068a680915eed7ca70/FLAGc4ee3e1cc [2020-11-29 19:26:25,103 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:26:25,103 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/sv-benchmarks/c/ldv-regression/1_3.i [2020-11-29 19:26:25,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/data/a0e4b6066/8fe3715dc7ca40068a680915eed7ca70/FLAGc4ee3e1cc [2020-11-29 19:26:25,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/data/a0e4b6066/8fe3715dc7ca40068a680915eed7ca70 [2020-11-29 19:26:25,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:26:25,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:26:25,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:26:25,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:26:25,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:26:25,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16dff39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25, skipping insertion in model container [2020-11-29 19:26:25,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:26:25,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:26:25,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:26:25,697 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:26:25,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:26:25,737 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:26:25,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25 WrapperNode [2020-11-29 19:26:25,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:26:25,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:26:25,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:26:25,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:26:25,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:26:25,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:26:25,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:26:25,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:26:25,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... [2020-11-29 19:26:25,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:26:25,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:26:25,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:26:25,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:26:25,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/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 [2020-11-29 19:26:25,929 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2020-11-29 19:26:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2020-11-29 19:26:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:26:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:26:25,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:26:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 19:26:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:26:25,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:26:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:26:26,440 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:26:26,440 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-29 19:26:26,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:26:26 BoogieIcfgContainer [2020-11-29 19:26:26,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:26:26,444 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:26:26,444 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:26:26,460 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:26:26,460 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:26:26" (1/1) ... [2020-11-29 19:26:26,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:26:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2020-11-29 19:26:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-11-29 19:26:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 19:26:26,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:26:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:26:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:26:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 13 transitions. [2020-11-29 19:26:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-11-29 19:26:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:26:26,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:26:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:26:26,887 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:26:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:26:26,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:26:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:26:26,982 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:26:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:26:27,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:26:27,037 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-11-29 19:26:27,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:26:27 ImpRootNode [2020-11-29 19:26:27,077 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:26:27,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:26:27,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:26:27,079 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:26:27,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:26:26" (3/4) ... [2020-11-29 19:26:27,082 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:26:27,131 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_039b791b-1ad4-4499-89b2-8bdb2ef998a9/bin/ukojak/witness.graphml [2020-11-29 19:26:27,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:26:27,134 INFO L168 Benchmark]: Toolchain (without parser) took 1671.98 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 41.0 MB in the beginning and 53.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:27,135 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 57.1 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:26:27,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.11 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 40.8 MB in the beginning and 70.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:27,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.13 ms. Allocated memory is still 92.3 MB. Free memory was 70.6 MB in the beginning and 69.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:27,139 INFO L168 Benchmark]: Boogie Preprocessor took 54.20 ms. Allocated memory is still 92.3 MB. Free memory was 69.0 MB in the beginning and 68.1 MB in the end (delta: 933.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:26:27,140 INFO L168 Benchmark]: RCFGBuilder took 597.96 ms. Allocated memory is still 92.3 MB. Free memory was 67.8 MB in the beginning and 48.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:27,141 INFO L168 Benchmark]: CodeCheck took 633.63 ms. Allocated memory is still 92.3 MB. Free memory was 48.2 MB in the beginning and 56.0 MB in the end (delta: -7.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:26:27,142 INFO L168 Benchmark]: Witness Printer took 53.33 ms. Allocated memory is still 92.3 MB. Free memory was 56.0 MB in the beginning and 53.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:27,150 INFO L339 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. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L52] rr * ptr1 = 0; [L32] rr * r = (rr *)malloc(sizeof *r); [L33] r -> state = 0 [L34] return r; [L39] rr * r = getrr(); [L40] r -> state = 1 [L41] return r; [L53] ptr1 = getPtr() [L54] CALL freePtr(ptr1) [L46] EXPR ptr -> state [L46] (ptr -> state == 1) ? (0) : __blast_assert () [L47] ptr -> state = 2 [L54] RET freePtr(ptr1) [L56] CALL freePtr(ptr1) [L46] EXPR ptr -> state [L46] (ptr -> state == 1) ? (0) : __blast_assert () [L3] __assert_fail("0", "1_3.i", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 57.1 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.11 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 40.8 MB in the beginning and 70.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.13 ms. Allocated memory is still 92.3 MB. Free memory was 70.6 MB in the beginning and 69.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.20 ms. Allocated memory is still 92.3 MB. Free memory was 69.0 MB in the beginning and 68.1 MB in the end (delta: 933.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 597.96 ms. Allocated memory is still 92.3 MB. Free memory was 67.8 MB in the beginning and 48.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 633.63 ms. Allocated memory is still 92.3 MB. Free memory was 48.2 MB in the beginning and 56.0 MB in the end (delta: -7.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 53.33 ms. Allocated memory is still 92.3 MB. Free memory was 56.0 MB in the beginning and 53.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...