./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/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 5f5357e64289d6bac41f74df7b40a85eebbaa806 ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:49:10,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:49:10,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:49:10,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:49:10,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:49:10,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:49:10,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:49:10,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:49:10,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:49:10,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:49:10,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:49:10,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:49:10,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:49:10,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:49:10,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:49:10,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:49:10,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:49:10,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:49:10,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:49:10,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:49:10,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:49:10,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:49:10,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:49:10,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:49:10,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:49:10,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:49:10,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:49:10,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:49:10,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:49:10,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:49:10,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:49:10,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:49:10,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:49:10,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:49:10,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:49:10,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:49:10,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:49:10,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:49:10,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:49:10,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:49:10,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:49:10,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:49:10,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:49:10,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:49:10,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:49:10,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:49:10,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:49:10,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:49:10,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:49:10,726 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:49:10,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:49:10,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:49:10,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:49:10,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:49:10,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:49:10,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:49:10,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:49:10,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:49:10,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:49:10,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:49:10,728 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:49:10,729 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:49:10,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:49:10,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:49:10,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:49:10,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:49:10,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:49:10,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:49:10,731 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:49:10,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:49:10,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:49:10,732 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_8bed32b2-7106-47f9-bf2d-92cc44916341/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 -> 5f5357e64289d6bac41f74df7b40a85eebbaa806 [2019-11-19 22:49:10,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:49:10,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:49:10,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:49:10,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:49:10,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:49:10,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-11-19 22:49:11,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/data/860903abe/a5d6e0ac427144a8a0efe280652ee961/FLAG19bd49b5a [2019-11-19 22:49:11,483 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:49:11,484 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2019-11-19 22:49:11,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/data/860903abe/a5d6e0ac427144a8a0efe280652ee961/FLAG19bd49b5a [2019-11-19 22:49:11,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/data/860903abe/a5d6e0ac427144a8a0efe280652ee961 [2019-11-19 22:49:11,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:49:11,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:49:11,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:49:11,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:49:11,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:49:11,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:49:11" (1/1) ... [2019-11-19 22:49:11,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdd4980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:11, skipping insertion in model container [2019-11-19 22:49:11,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:49:11" (1/1) ... [2019-11-19 22:49:12,004 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:49:12,026 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:49:12,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:49:12,351 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:49:12,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:49:12,418 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:49:12,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12 WrapperNode [2019-11-19 22:49:12,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:49:12,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:49:12,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:49:12,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:49:12,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:49:12,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:49:12,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:49:12,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:49:12,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... [2019-11-19 22:49:12,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:49:12,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:49:12,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:49:12,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:49:12,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:49:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:49:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:49:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:49:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-11-19 22:49:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:49:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:49:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:49:13,268 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:49:13,268 INFO L285 CfgBuilder]: Removed 13 assume(true) statements. [2019-11-19 22:49:13,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:13 BoogieIcfgContainer [2019-11-19 22:49:13,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:49:13,270 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:49:13,270 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:49:13,281 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:49:13,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:13" (1/1) ... [2019-11-19 22:49:13,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:49:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2019-11-19 22:49:13,329 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2019-11-19 22:49:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:13,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2019-11-19 22:49:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2019-11-19 22:49:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:49:13,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2019-11-19 22:49:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-19 22:49:14,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 22:49:14,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2019-11-19 22:49:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2019-11-19 22:49:14,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:49:14,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2019-11-19 22:49:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2019-11-19 22:49:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 22:49:15,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2019-11-19 22:49:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2019-11-19 22:49:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 22:49:16,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:49:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:49:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:49:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:49:16,596 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2019-11-19 22:49:16,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:49:16 ImpRootNode [2019-11-19 22:49:16,671 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:49:16,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:49:16,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:49:16,672 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:49:16,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:13" (3/4) ... [2019-11-19 22:49:16,674 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 22:49:16,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8bed32b2-7106-47f9-bf2d-92cc44916341/bin/ukojak/witness.graphml [2019-11-19 22:49:16,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:49:16,788 INFO L168 Benchmark]: Toolchain (without parser) took 4803.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:16,789 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:49:16,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:16,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:49:16,797 INFO L168 Benchmark]: Boogie Preprocessor took 63.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:16,797 INFO L168 Benchmark]: RCFGBuilder took 712.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:16,798 INFO L168 Benchmark]: CodeCheck took 3400.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -70.1 MB). Peak memory consumption was 1.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:16,800 INFO L168 Benchmark]: Witness Printer took 114.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:16,806 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, 20 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 520 SDtfs, 292 SDslu, 316 SDs, 0 SdLazy, 1000 SolverSat, 252 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 665 GetRequests, 579 SyntacticMatches, 32 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 7220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 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: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L74] char A [2 + 2 + 4 +1]; [L75] A[2 + 2 + 4] = 0 [L48] int start=0, i=-1, j=-1; [L49] char str2[2]; [L50] COND FALSE !(!str) [L52] i++ [L53] str[i] [L54] case 0: [L69] EXPR str[i] [L69] COND TRUE str[i] != 0 [L52] i++ [L53] str[i] [L54] case 0: [L69] EXPR str[i] [L69] COND TRUE str[i] != 0 [L52] i++ [L53] str[i] [L54] case 0: [L55] EXPR str[start] [L55] (str[start] == ' ') || (str[start] == '\t') [L55] EXPR str[start] [L55] (str[start] == ' ') || (str[start] == '\t') [L55] COND FALSE !((str[start] == ' ') || (str[start] == '\t')) [L56] EXPR str[start] [L56] COND FALSE !(str[start] == '"') [L57] j = i-1 [L58] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) [L58] EXPR str[j] [L58] EXPR (str[j] == ' ') || (str[j] == '\t') [L58] EXPR str[j] [L58] EXPR (str[j] == ' ') || (str[j] == '\t') [L58] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) [L58] COND FALSE !((0 < j) && ((str[j] == ' ') || (str[j] == '\t'))) [L59] (0 < j) && (str[j] == '"') [L59] EXPR str[j] [L59] (0 < j) && (str[j] == '"') [L59] COND FALSE !((0 < j) && (str[j] == '"')) [L60] COND TRUE start<=j [L30] return strncpy(dest,src,n); [L3] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 434.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 712.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * CodeCheck took 3400.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -70.1 MB). Peak memory consumption was 1.2 MB. Max. memory is 11.5 GB. * Witness Printer took 114.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...