./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test08.c -s /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/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 0ea43f38c40f327c4a0a1045134d36b3760cf289 ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 13:04:09,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 13:04:09,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 13:04:09,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 13:04:09,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 13:04:09,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 13:04:09,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 13:04:09,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 13:04:09,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 13:04:09,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 13:04:09,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 13:04:09,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 13:04:09,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 13:04:09,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 13:04:09,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 13:04:09,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 13:04:09,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 13:04:09,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 13:04:09,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 13:04:09,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 13:04:09,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 13:04:09,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 13:04:09,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 13:04:09,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 13:04:09,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 13:04:09,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 13:04:09,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 13:04:09,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 13:04:09,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 13:04:09,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 13:04:09,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 13:04:09,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 13:04:09,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 13:04:09,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 13:04:09,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 13:04:09,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 13:04:09,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 13:04:09,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 13:04:09,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 13:04:09,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 13:04:09,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 13:04:09,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 13:04:09,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 13:04:09,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 13:04:09,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 13:04:09,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 13:04:09,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 13:04:09,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 13:04:09,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 13:04:09,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 13:04:09,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 13:04:09,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 13:04:09,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 13:04:09,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 13:04:09,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 13:04:09,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 13:04:09,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 13:04:09,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 13:04:09,433 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 13:04:09,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 13:04:09,433 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 13:04:09,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 13:04:09,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 13:04:09,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 13:04:09,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 13:04:09,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 13:04:09,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 13:04:09,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 13:04:09,434 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 13:04:09,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 13:04:09,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 13:04:09,435 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_030a626d-d416-43eb-8e67-56adb66b0d27/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 -> 0ea43f38c40f327c4a0a1045134d36b3760cf289 [2019-12-01 13:04:09,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 13:04:09,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 13:04:09,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 13:04:09,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 13:04:09,548 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 13:04:09,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test08.c [2019-12-01 13:04:09,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/data/fefa53582/4da903789e1c44a5a9fae33efedd1eb7/FLAG8192051f8 [2019-12-01 13:04:09,900 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 13:04:09,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/sv-benchmarks/c/ldv-regression/test08.c [2019-12-01 13:04:09,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/data/fefa53582/4da903789e1c44a5a9fae33efedd1eb7/FLAG8192051f8 [2019-12-01 13:04:09,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/data/fefa53582/4da903789e1c44a5a9fae33efedd1eb7 [2019-12-01 13:04:09,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 13:04:09,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 13:04:09,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 13:04:09,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 13:04:09,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 13:04:09,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:04:09" (1/1) ... [2019-12-01 13:04:09,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619ba5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:09, skipping insertion in model container [2019-12-01 13:04:09,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:04:09" (1/1) ... [2019-12-01 13:04:09,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 13:04:09,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 13:04:10,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:04:10,071 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 13:04:10,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:04:10,091 INFO L208 MainTranslator]: Completed translation [2019-12-01 13:04:10,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10 WrapperNode [2019-12-01 13:04:10,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 13:04:10,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 13:04:10,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 13:04:10,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 13:04:10,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 13:04:10,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 13:04:10,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 13:04:10,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 13:04:10,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 13:04:10,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 13:04:10,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 13:04:10,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 13:04:10,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:04:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 13:04:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 13:04:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 13:04:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 13:04:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 13:04:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 13:04:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 13:04:10,339 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 13:04:10,339 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-01 13:04:10,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:04:10 BoogieIcfgContainer [2019-12-01 13:04:10,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 13:04:10,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 13:04:10,341 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 13:04:10,348 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 13:04:10,348 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:04:10" (1/1) ... [2019-12-01 13:04:10,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 13:04:10,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:04:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-12-01 13:04:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-12-01 13:04:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 13:04:10,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:04:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:04:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:04:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:04:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:04:10,515 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-12-01 13:04:10,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:04:10 ImpRootNode [2019-12-01 13:04:10,535 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 13:04:10,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 13:04:10,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 13:04:10,536 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 13:04:10,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:04:10" (3/4) ... [2019-12-01 13:04:10,537 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 13:04:10,566 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_030a626d-d416-43eb-8e67-56adb66b0d27/bin/ukojak/witness.graphml [2019-12-01 13:04:10,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 13:04:10,567 INFO L168 Benchmark]: Toolchain (without parser) took 650.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:04:10,568 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:04:10,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-01 13:04:10,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:04:10,569 INFO L168 Benchmark]: Boogie Preprocessor took 12.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:04:10,569 INFO L168 Benchmark]: RCFGBuilder took 213.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-12-01 13:04:10,569 INFO L168 Benchmark]: CodeCheck took 194.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 13:04:10,570 INFO L168 Benchmark]: Witness Printer took 30.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 13:04:10,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 36]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] int a, b; [L5] int *p1, *p2; [L19] p1 = &a [L20] p2 = &b [L22] b = 1 [L23] a = 5 [L25] EXPR \read(a) [L25] a-- [L8] EXPR \read(*p1) [L8] EXPR \read(*p2) [L8] EXPR \read(a) [L8] int v = *p1 + *p2 - a; [L9] COND TRUE v == 1 [L10] p1 = p2 [L11] return v; [L27] a = f() [L29] EXPR \read(a) VAL [a={3:0}, b={2:0}, p1={2:0}, p2={2:0}] [L29] COND TRUE a && p1 == p2 [L36] __VERIFIER_error() VAL [a={3:0}, b={2:0}, p1={2:0}, p2={2:0}] * 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 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 213.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * CodeCheck took 194.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 30.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...