./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c --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_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/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 8d15e59fd1b84d7219285b33cc166f567d0bcf3e ................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-10-26 20:41:36,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:41:36,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:41:36,619 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:41:36,622 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:41:36,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:41:36,625 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:41:36,627 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:41:36,629 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:41:36,631 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:41:36,632 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:41:36,633 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:41:36,633 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:41:36,634 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:41:36,635 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:41:36,635 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:41:36,636 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:41:36,640 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:41:36,648 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:41:36,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:41:36,652 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:41:36,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:41:36,656 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:41:36,656 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:41:36,657 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:41:36,657 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:41:36,658 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:41:36,658 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:41:36,659 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:41:36,659 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:41:36,660 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:41:36,660 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:41:36,663 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:41:36,663 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:41:36,664 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:41:36,665 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:41:36,665 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:41:36,679 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:41:36,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:41:36,681 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:41:36,681 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:41:36,682 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:41:36,683 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:41:36,683 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:41:36,683 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:41:36,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:41:36,684 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:41:36,684 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:41:36,684 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:41:36,684 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:41:36,684 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:41:36,684 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:41:36,684 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:41:36,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:41:36,684 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:41:36,685 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:41:36,685 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:41:36,685 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:41:36,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:41:36,685 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:41:36,685 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:41:36,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:41:36,685 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:41:36,686 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:41:36,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:41:36,686 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_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/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 -> 8d15e59fd1b84d7219285b33cc166f567d0bcf3e [2018-10-26 20:41:36,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:41:36,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:41:36,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:41:36,741 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:41:36,741 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:41:36,743 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c [2018-10-26 20:41:36,791 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/data/4e071a0fb/2480ab7128df4bd690eee3378268887b/FLAGc2a204385 [2018-10-26 20:41:37,171 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:41:37,171 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c [2018-10-26 20:41:37,176 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/data/4e071a0fb/2480ab7128df4bd690eee3378268887b/FLAGc2a204385 [2018-10-26 20:41:37,188 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/data/4e071a0fb/2480ab7128df4bd690eee3378268887b [2018-10-26 20:41:37,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:41:37,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:41:37,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:41:37,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:41:37,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:41:37,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b7c699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37, skipping insertion in model container [2018-10-26 20:41:37,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:41:37,234 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:41:37,398 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:41:37,407 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:41:37,429 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:41:37,445 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:41:37,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37 WrapperNode [2018-10-26 20:41:37,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:41:37,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:41:37,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:41:37,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:41:37,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:41:37,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:41:37,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:41:37,488 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:41:37,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... [2018-10-26 20:41:37,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:41:37,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:41:37,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:41:37,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:41:37,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:41:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/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 [2018-10-26 20:41:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-10-26 20:41:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-10-26 20:41:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 20:41:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:41:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:41:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:41:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 20:41:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 20:41:38,725 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:41:38,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:41:38 BoogieIcfgContainer [2018-10-26 20:41:38,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:41:38,726 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:41:38,726 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:41:38,736 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:41:38,736 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:41:38" (1/1) ... [2018-10-26 20:41:38,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:41:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2018-10-26 20:41:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2018-10-26 20:41:38,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 20:41:38,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-26 20:41:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-26 20:41:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 20:41:38,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-10-26 20:41:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-10-26 20:41:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:41:39,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-10-26 20:41:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-10-26 20:41:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:41:39,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2018-10-26 20:41:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2018-10-26 20:41:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:41:39,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:39,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-10-26 20:41:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-10-26 20:41:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:41:39,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2018-10-26 20:41:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-10-26 20:41:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:41:40,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:40,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2018-10-26 20:41:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2018-10-26 20:41:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:41:40,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:40,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-10-26 20:41:40,605 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-10-26 20:41:40,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:41:40,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:40,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-26 20:41:40,850 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-26 20:41:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:41:40,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:41,018 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-10-26 20:41:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-10-26 20:41:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:41:41,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:41:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:41:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:41:41,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2018-10-26 20:41:41,278 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-10-26 20:41:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:41:41,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:41:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:41:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:41:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:41:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:41:45,464 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2018-10-26 20:41:45,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:41:45 ImpRootNode [2018-10-26 20:41:45,533 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:41:45,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:41:45,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:41:45,533 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:41:45,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:41:38" (3/4) ... [2018-10-26 20:41:45,536 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:41:45,648 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_28fdd362-d2b6-44dd-84cc-f8ddb68d6854/bin-2019/ukojak/witness.graphml [2018-10-26 20:41:45,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:41:45,648 INFO L168 Benchmark]: Toolchain (without parser) took 8457.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 954.4 MB in the beginning and 866.8 MB in the end (delta: 87.6 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:41:45,650 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:41:45,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.21 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:41:45,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.10 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:41:45,655 INFO L168 Benchmark]: Boogie Preprocessor took 25.00 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:41:45,656 INFO L168 Benchmark]: RCFGBuilder took 1212.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:41:45,657 INFO L168 Benchmark]: CodeCheck took 6806.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.3 MB in the end (delta: 219.0 MB). Peak memory consumption was 219.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:41:45,658 INFO L168 Benchmark]: Witness Printer took 114.72 ms. Allocated memory is still 1.2 GB. Free memory was 870.3 MB in the beginning and 866.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:41:45,661 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 1 procedures, 62 locations, 1 error locations. UNSAFE Result, 6.7s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17408 SDtfs, 4092 SDslu, 6136 SDs, 0 SdLazy, 13812 SolverSat, 6652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1358 GetRequests, 1248 SyntacticMatches, 72 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 8239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/330 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: 51]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] FCALL struct cont cont; [L23] FCALL struct dummy dummy; [L24] FCALL struct dummy *dummies[10]; [L25] FCALL int a[10]; [L26] int i, *pa; [L27] i = __VERIFIER_nondet_int() [L28] int j = 0; [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND FALSE !(j < 10) [L32] COND TRUE i >= 0 && i < 9 [L33] FCALL a[i] = i [L34] FCALL dummy.array = &a[i] [L35] FCALL dummies[i + 1] = &dummy [L36] FCALL cont.array = &dummies[0] [L37] EXPR, FCALL cont.array [L37] EXPR, FCALL cont.array[i] [L37] EXPR, FCALL cont.array[i]->array [L37] pa = &cont.array[i]->array[i] [L38] EXPR, FCALL a[i] [L38] COND TRUE a[i] > 0 [L39] EXPR, FCALL dummies[i + 1] [L39] EXPR, FCALL dummies[i + 1]->array [L39] EXPR, FCALL dummies[i + 1]->array[i] [L39] i = dummies[i + 1]->array[i] - 10 [L40] EXPR, FCALL \read(*pa) [L40] COND FALSE !(i < *pa) [L43] CALL, EXPR check(&cont, i) [L17] EXPR, FCALL pc->array [L17] EXPR, FCALL pc->array[i] [L17] EXPR, FCALL pc->array[i]->array [L17] EXPR, FCALL pc->array[i]->array[i] [L17] RET return pc->array[i]->array[i] == i; [L43] EXPR check(&cont, i) [L43] COND TRUE !check(&cont, i) [L51] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.21 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.10 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.00 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1212.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * CodeCheck took 6806.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.3 MB in the end (delta: 219.0 MB). Peak memory consumption was 219.0 MB. Max. memory is 11.5 GB. * Witness Printer took 114.72 ms. Allocated memory is still 1.2 GB. Free memory was 870.3 MB in the beginning and 866.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...