./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem2.i --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_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/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 ebbfaff6f87d2f170bbf62930cb63938c92c4b2b ................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 05:58:03,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 05:58:03,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 05:58:03,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 05:58:03,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 05:58:03,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 05:58:03,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 05:58:03,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 05:58:03,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 05:58:03,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 05:58:03,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 05:58:03,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 05:58:03,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 05:58:03,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 05:58:03,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 05:58:03,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 05:58:03,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 05:58:03,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 05:58:03,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 05:58:03,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 05:58:03,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 05:58:03,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 05:58:03,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 05:58:03,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 05:58:03,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 05:58:03,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 05:58:03,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 05:58:03,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 05:58:03,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 05:58:03,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 05:58:03,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 05:58:03,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 05:58:03,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 05:58:03,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 05:58:03,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 05:58:03,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 05:58:03,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 05:58:03,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 05:58:03,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 05:58:03,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 05:58:03,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 05:58:03,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 05:58:03,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 05:58:03,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 05:58:03,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 05:58:03,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 05:58:03,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 05:58:03,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 05:58:03,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 05:58:03,582 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 05:58:03,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 05:58:03,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 05:58:03,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 05:58:03,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 05:58:03,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 05:58:03,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 05:58:03,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 05:58:03,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 05:58:03,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 05:58:03,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 05:58:03,583 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 05:58:03,583 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 05:58:03,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 05:58:03,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 05:58:03,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 05:58:03,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 05:58:03,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 05:58:03,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 05:58:03,584 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 05:58:03,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 05:58:03,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 05:58:03,584 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_7b97372c-18f4-447e-b2ee-037e2c748a6c/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 -> ebbfaff6f87d2f170bbf62930cb63938c92c4b2b [2019-12-01 05:58:03,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 05:58:03,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 05:58:03,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 05:58:03,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 05:58:03,696 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 05:58:03,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/../../sv-benchmarks/c/heap-data/shared_mem2.i [2019-12-01 05:58:03,739 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/data/7ec88c863/a69525a02a3d44d1907eb771b81a2882/FLAG314c1b150 [2019-12-01 05:58:04,178 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 05:58:04,178 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/sv-benchmarks/c/heap-data/shared_mem2.i [2019-12-01 05:58:04,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/data/7ec88c863/a69525a02a3d44d1907eb771b81a2882/FLAG314c1b150 [2019-12-01 05:58:04,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/data/7ec88c863/a69525a02a3d44d1907eb771b81a2882 [2019-12-01 05:58:04,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 05:58:04,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 05:58:04,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 05:58:04,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 05:58:04,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 05:58:04,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62699726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04, skipping insertion in model container [2019-12-01 05:58:04,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 05:58:04,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 05:58:04,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:58:04,443 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 05:58:04,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:58:04,500 INFO L208 MainTranslator]: Completed translation [2019-12-01 05:58:04,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04 WrapperNode [2019-12-01 05:58:04,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 05:58:04,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 05:58:04,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 05:58:04,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 05:58:04,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 05:58:04,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 05:58:04,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 05:58:04,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 05:58:04,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 05:58:04,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 05:58:04,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 05:58:04,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 05:58:04,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:58:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/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 05:58:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 05:58:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 05:58:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 05:58:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 05:58:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 05:58:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 05:58:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 05:58:04,863 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 05:58:04,863 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-01 05:58:04,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:04 BoogieIcfgContainer [2019-12-01 05:58:04,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 05:58:04,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 05:58:04,865 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 05:58:04,871 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 05:58:04,871 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:04" (1/1) ... [2019-12-01 05:58:04,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 05:58:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:58:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2019-12-01 05:58:04,901 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-12-01 05:58:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 05:58:04,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:58:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:58:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:58:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:58:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-12-01 05:58:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-12-01 05:58:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 05:58:04,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:58:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:58:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:58:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:58:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2019-12-01 05:58:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2019-12-01 05:58:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 05:58:05,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:58:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:58:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:58:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:58:05,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2019-12-01 05:58:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2019-12-01 05:58:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 05:58:05,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:58:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:58:05,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:58:06,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:58:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2019-12-01 05:58:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2019-12-01 05:58:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 05:58:06,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:58:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:58:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 05:58:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:58:06,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2019-12-01 05:58:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2019-12-01 05:58:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 05:58:06,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:58:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:58:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 05:58:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:58:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2019-12-01 05:58:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2019-12-01 05:58:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 05:58:06,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:58:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:58:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:58:07,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:58:07,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2019-12-01 05:58:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2019-12-01 05:58:07,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 05:58:07,329 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-12-01 05:58:07,337 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 05:58:07,427 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-01 05:58:07,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,436 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-12-01 05:58:07,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:58:07 ImpRootNode [2019-12-01 05:58:07,438 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 05:58:07,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 05:58:07,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 05:58:07,438 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 05:58:07,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:58:04" (3/4) ... [2019-12-01 05:58:07,441 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 05:58:07,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 05:58:07,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 05:58:07,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 05:58:07,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7b97372c-18f4-447e-b2ee-037e2c748a6c/bin/ukojak/witness.graphml [2019-12-01 05:58:07,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 05:58:07,487 INFO L168 Benchmark]: Toolchain (without parser) took 3288.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 946.2 MB in the beginning and 852.1 MB in the end (delta: 94.1 MB). Peak memory consumption was 198.9 MB. Max. memory is 11.5 GB. [2019-12-01 05:58:07,487 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:58:07,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-01 05:58:07,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.38 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 05:58:07,488 INFO L168 Benchmark]: Boogie Preprocessor took 18.92 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 05:58:07,488 INFO L168 Benchmark]: RCFGBuilder took 314.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2019-12-01 05:58:07,488 INFO L168 Benchmark]: CodeCheck took 2573.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 859.0 MB in the end (delta: 190.2 MB). Peak memory consumption was 190.2 MB. Max. memory is 11.5 GB. [2019-12-01 05:58:07,489 INFO L168 Benchmark]: Witness Printer took 47.31 ms. Allocated memory is still 1.1 GB. Free memory was 859.0 MB in the beginning and 852.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-01 05:58:07,490 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, 12 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1024 SDtfs, 590 SDslu, 642 SDs, 0 SdLazy, 3552 SolverSat, 708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 718 GetRequests, 641 SyntacticMatches, 13 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1571 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 5294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 12/22 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 - PositiveResult [Line: 590]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 573]: Loop Invariant [2019-12-01 05:58:07,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((!(m == list) && !(m == head)) && 0 == unknown-#memory_int-unknown[m][m]) && 1 == \valid[m] - InvariantResult [Line: 584]: Loop Invariant [2019-12-01 05:58:07,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 05:58:07,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: 100 == unknown-#memory_int-unknown[m][m] || unknown-#memory_int-unknown[m][m] <= 99 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.38 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 18.92 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. * RCFGBuilder took 314.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * CodeCheck took 2573.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 859.0 MB in the end (delta: 190.2 MB). Peak memory consumption was 190.2 MB. Max. memory is 11.5 GB. * Witness Printer took 47.31 ms. Allocated memory is still 1.1 GB. Free memory was 859.0 MB in the beginning and 852.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...