./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.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_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/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 19c675897a6506757b73d61913c0ceb3a779b5c8 ......................................................................................................................................................................................................................................... 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 15:16:51,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:16:51,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:16:51,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:16:51,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:16:51,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:16:51,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:16:51,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:16:51,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:16:51,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:16:51,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:16:51,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:16:51,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:16:51,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:16:51,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:16:51,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:16:51,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:16:51,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:16:51,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:16:51,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:16:51,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:16:51,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:16:51,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:16:51,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:16:51,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:16:51,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:16:51,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:16:51,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:16:51,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:16:51,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:16:51,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:16:51,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:16:51,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:16:51,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:16:51,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:16:51,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:16:51,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:16:51,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:16:51,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:16:51,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:16:51,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:16:51,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 15:16:51,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:16:51,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:16:51,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 15:16:51,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 15:16:51,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:16:51,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:16:51,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:16:51,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:16:51,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 15:16:51,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:16:51,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:16:51,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 15:16:51,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:16:51,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 15:16:51,877 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:16:51,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 15:16:51,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:16:51,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 15:16:51,878 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:16:51,878 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:16:51,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:16:51,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:16:51,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:16:51,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:16:51,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:16:51,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 15:16:51,879 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 15:16:51,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 15:16:51,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 15:16:51,880 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_71206c40-4c23-440a-8810-a0470a55ee50/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 -> 19c675897a6506757b73d61913c0ceb3a779b5c8 [2019-12-01 15:16:51,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:16:52,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:16:52,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:16:52,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:16:52,006 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:16:52,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2019-12-01 15:16:52,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/data/3eb8c2611/82d732c9c8ba42058e372e93398083f1/FLAG2d1fe3727 [2019-12-01 15:16:52,384 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:16:52,385 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2019-12-01 15:16:52,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/data/3eb8c2611/82d732c9c8ba42058e372e93398083f1/FLAG2d1fe3727 [2019-12-01 15:16:52,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/data/3eb8c2611/82d732c9c8ba42058e372e93398083f1 [2019-12-01 15:16:52,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:16:52,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:16:52,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:16:52,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:16:52,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:16:52,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed7335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52, skipping insertion in model container [2019-12-01 15:16:52,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:16:52,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:16:52,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:16:52,585 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 15:16:52,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:16:52,605 INFO L208 MainTranslator]: Completed translation [2019-12-01 15:16:52,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52 WrapperNode [2019-12-01 15:16:52,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:16:52,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 15:16:52,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 15:16:52,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 15:16:52,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 15:16:52,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 15:16:52,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 15:16:52,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 15:16:52,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 15:16:52,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 15:16:52,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 15:16:52,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 15:16:52,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/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 15:16:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 15:16:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 15:16:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 15:16:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 15:16:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 15:16:52,865 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 15:16:52,865 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-01 15:16:52,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:16:52 BoogieIcfgContainer [2019-12-01 15:16:52,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 15:16:52,866 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 15:16:52,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 15:16:52,873 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 15:16:52,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:16:52" (1/1) ... [2019-12-01 15:16:52,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 15:16:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:16:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-12-01 15:16:52,904 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-12-01 15:16:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 15:16:52,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:16:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:16:53,031 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 15:16:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:16:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 15:16:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 15:16:53,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 15:16:53,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:16:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:16:53,118 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 15:16:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:16:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-12-01 15:16:53,222 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-01 15:16:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 15:16:53,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:16:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:16:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:16:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:16:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:16:53,295 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-12-01 15:16:53,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:16:53 ImpRootNode [2019-12-01 15:16:53,319 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 15:16:53,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 15:16:53,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 15:16:53,319 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 15:16:53,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:16:52" (3/4) ... [2019-12-01 15:16:53,321 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 15:16:53,354 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_71206c40-4c23-440a-8810-a0470a55ee50/bin/ukojak/witness.graphml [2019-12-01 15:16:53,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 15:16:53,355 INFO L168 Benchmark]: Toolchain (without parser) took 953.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 942.4 MB in the beginning and 1.0 GB in the end (delta: -81.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-12-01 15:16:53,356 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:16:53,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-01 15:16:53,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.56 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 15:16:53,357 INFO L168 Benchmark]: Boogie Preprocessor took 14.26 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 15:16:53,357 INFO L168 Benchmark]: RCFGBuilder took 217.12 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-01 15:16:53,358 INFO L168 Benchmark]: CodeCheck took 452.93 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: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2019-12-01 15:16:53,358 INFO L168 Benchmark]: Witness Printer took 34.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:16:53,360 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, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 54 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] Char *tmp; [L29] Char pathbuf[1 +1]; [L31] Char *bound = pathbuf + sizeof(pathbuf) - 1; [L33] tmp = pathbuf + sizeof(pathbuf)/sizeof(*pathbuf) - 1 [L16] Char *p; [L18] p = pathbuf VAL [tmp={2:4}] [L18] COND TRUE p <= pathlim [L4] COND FALSE !(!(cond)) VAL [tmp={2:4}] [L21] *p = 1 [L18] p++ VAL [tmp={2:4}] [L18] COND TRUE p <= pathlim [L4] COND FALSE !(!(cond)) VAL [tmp={2:4}] [L21] *p = 1 [L18] p++ VAL [tmp={2:4}] [L18] COND TRUE p <= pathlim [L4] COND TRUE !(cond) VAL [tmp={2:4}] [L5] __VERIFIER_error() VAL [tmp={2:4}] * 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.56 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 14.26 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 217.12 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 452.93 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: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. * Witness Printer took 34.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...