./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/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 6b853b7a72b17d5b4054a16a7ba98c728e55c23b ...................................................................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-11-09 23:38:29,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:38:29,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:38:29,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:38:29,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:38:29,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:38:29,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:38:29,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:38:29,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:38:29,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:38:29,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:38:29,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:38:29,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:38:29,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:38:29,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:38:29,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:38:29,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:38:29,539 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:38:29,541 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:38:29,542 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:38:29,543 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:38:29,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:38:29,545 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:38:29,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:38:29,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:38:29,546 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:38:29,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:38:29,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:38:29,548 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:38:29,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:38:29,549 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:38:29,549 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:38:29,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:38:29,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:38:29,550 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:38:29,550 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:38:29,551 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:38:29,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:38:29,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:38:29,559 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:38:29,559 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:38:29,559 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:38:29,560 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:38:29,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:38:29,560 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:38:29,560 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:38:29,560 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:38:29,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:38:29,561 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:38:29,561 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:38:29,561 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:38:29,561 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:38:29,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:38:29,561 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:38:29,561 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:38:29,562 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:38:29,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:38:29,562 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:38:29,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:38:29,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:38:29,562 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:38:29,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:38:29,563 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:38:29,563 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:38:29,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:38:29,563 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/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 -> 6b853b7a72b17d5b4054a16a7ba98c728e55c23b [2018-11-09 23:38:29,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:38:29,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:38:29,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:38:29,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:38:29,596 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:38:29,597 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i [2018-11-09 23:38:29,632 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/data/13223fccb/69a6c32b6ef94be2bac52e328f411377/FLAGb616fd542 [2018-11-09 23:38:29,923 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:38:29,924 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i [2018-11-09 23:38:29,927 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/data/13223fccb/69a6c32b6ef94be2bac52e328f411377/FLAGb616fd542 [2018-11-09 23:38:29,935 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/data/13223fccb/69a6c32b6ef94be2bac52e328f411377 [2018-11-09 23:38:29,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:38:29,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:38:29,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:38:29,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:38:29,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:38:29,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:38:29" (1/1) ... [2018-11-09 23:38:29,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8b0baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:29, skipping insertion in model container [2018-11-09 23:38:29,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:38:29" (1/1) ... [2018-11-09 23:38:29,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:38:29,960 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:38:30,049 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:38:30,052 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:38:30,062 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:38:30,070 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:38:30,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30 WrapperNode [2018-11-09 23:38:30,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:38:30,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:38:30,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:38:30,071 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:38:30,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:38:30,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:38:30,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:38:30,095 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:38:30,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:38:30,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:38:30,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:38:30,109 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:38:30,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/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 [2018-11-09 23:38:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:38:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:38:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-09 23:38:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-09 23:38:30,312 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:38:30,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:38:30 BoogieIcfgContainer [2018-11-09 23:38:30,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:38:30,313 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:38:30,313 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:38:30,322 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:38:30,322 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:38:30" (1/1) ... [2018-11-09 23:38:30,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:38:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-09 23:38:30,368 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-09 23:38:30,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-09 23:38:30,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:38:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:38:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-09 23:38:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-09 23:38:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-09 23:38:30,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:38:30,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:38:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 30 transitions. [2018-11-09 23:38:30,987 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-09 23:38:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-09 23:38:30,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:38:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-09 23:38:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 29 transitions. [2018-11-09 23:38:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-09 23:38:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-09 23:38:31,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:38:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:38:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:38:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:38:31,147 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2018-11-09 23:38:31,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:38:31 ImpRootNode [2018-11-09 23:38:31,171 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:38:31,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:38:31,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:38:31,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:38:31,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:38:30" (3/4) ... [2018-11-09 23:38:31,175 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-09 23:38:31,221 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6fd6194-a0c9-44d2-9857-1ed56f0ab8a7/bin-2019/ukojak/witness.graphml [2018-11-09 23:38:31,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:38:31,221 INFO L168 Benchmark]: Toolchain (without parser) took 1284.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -66.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:31,223 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:38:31,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:31,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.52 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:38:31,225 INFO L168 Benchmark]: Boogie Preprocessor took 13.06 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 945.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:31,225 INFO L168 Benchmark]: RCFGBuilder took 204.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:31,226 INFO L168 Benchmark]: CodeCheck took 858.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:31,227 INFO L168 Benchmark]: Witness Printer took 49.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:38:31,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 32 SDslu, 16 SDs, 0 SdLazy, 284 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 299 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 5/10 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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: [L11] int idBitLength, material_length, nlen; [L12] int j, k; [L13] nlen = __VERIFIER_nondet_int() [L14] idBitLength = __VERIFIER_nondet_int() [L15] material_length = __VERIFIER_nondet_int() [L16] COND FALSE !(!( nlen == idBitLength / 32 )) [L17] j = 0 [L17] COND TRUE (j < idBitLength / 8) && (j < material_length) [L18] CALL __VERIFIER_assert( 0 <= j) VAL [\old(cond)=1] [L4] COND FALSE, RET !(!(cond)) VAL [\old(cond)=1, cond=1] [L18] __VERIFIER_assert( 0 <= j) [L19] CALL __VERIFIER_assert( j < material_length ) VAL [\old(cond)=1] [L4] COND FALSE, RET !(!(cond)) VAL [\old(cond)=1, cond=1] [L19] __VERIFIER_assert( j < material_length ) [L20] CALL __VERIFIER_assert( 0 <= j/4 ) VAL [\old(cond)=1] [L4] COND FALSE, RET !(!(cond)) VAL [\old(cond)=1, cond=1] [L20] __VERIFIER_assert( 0 <= j/4 ) [L21] CALL __VERIFIER_assert( j/4 < nlen) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 132.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.52 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.06 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 945.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 204.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 858.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...