./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b5_o10_true-unreach-call_true-termination_true-no-overflow.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_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b5_o10_true-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/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 6f330f622534898bf170bbd5a7ac37bee3deb574 ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:16:12,922 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:16:12,933 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:16:12,942 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:16:12,943 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:16:12,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:16:12,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:16:12,950 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:16:12,953 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:16:12,954 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:16:12,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:16:12,956 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:16:12,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:16:12,957 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:16:12,958 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:16:12,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:16:12,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:16:12,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:16:12,962 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:16:12,964 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:16:12,964 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:16:12,965 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:16:12,967 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:16:12,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:16:12,968 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:16:12,969 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:16:12,969 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:16:12,970 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:16:12,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:16:12,972 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:16:12,972 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:16:12,973 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:16:12,973 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:16:12,973 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:16:12,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:16:12,974 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:16:12,975 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:16:12,986 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:16:12,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:16:12,986 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:16:12,987 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:16:12,987 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:16:12,988 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:16:12,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:16:12,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:16:12,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:16:12,988 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:16:12,988 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:16:12,989 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:16:12,989 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:16:12,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:16:12,989 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:16:12,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:16:12,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:16:12,989 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:16:12,990 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:16:12,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:16:12,990 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:16:12,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:16:12,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:16:12,990 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:16:12,990 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:16:12,991 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:16:12,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:16:12,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:16:12,991 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_d055eb21-ce66-4f54-90cc-6441c490df22/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 -> 6f330f622534898bf170bbd5a7ac37bee3deb574 [2018-10-26 21:16:13,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:16:13,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:16:13,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:16:13,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:16:13,033 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:16:13,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id2_b5_o10_true-unreach-call_true-termination_true-no-overflow.c [2018-10-26 21:16:13,077 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/data/644810eef/7c2bfe8a88b447deaf13a84c066c65c0/FLAG4fba59ffe [2018-10-26 21:16:13,441 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:16:13,442 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/sv-benchmarks/c/recursive-simple/id2_b5_o10_true-unreach-call_true-termination_true-no-overflow.c [2018-10-26 21:16:13,447 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/data/644810eef/7c2bfe8a88b447deaf13a84c066c65c0/FLAG4fba59ffe [2018-10-26 21:16:13,457 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/data/644810eef/7c2bfe8a88b447deaf13a84c066c65c0 [2018-10-26 21:16:13,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:16:13,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:16:13,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:16:13,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:16:13,465 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:16:13,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7ce24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13, skipping insertion in model container [2018-10-26 21:16:13,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:16:13,491 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:16:13,612 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:16:13,615 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:16:13,628 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:16:13,639 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:16:13,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13 WrapperNode [2018-10-26 21:16:13,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:16:13,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:16:13,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:16:13,641 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:16:13,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:16:13,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:16:13,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:16:13,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:16:13,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... [2018-10-26 21:16:13,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:16:13,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:16:13,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:16:13,685 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:16:13,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:16:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/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 21:16:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2018-10-26 21:16:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2018-10-26 21:16:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:16:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:16:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-10-26 21:16:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-10-26 21:16:14,184 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:16:14,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:16:14 BoogieIcfgContainer [2018-10-26 21:16:14,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:16:14,186 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:16:14,186 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:16:14,194 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:16:14,195 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:16:14" (1/1) ... [2018-10-26 21:16:14,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:16:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:16:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-10-26 21:16:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-10-26 21:16:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 21:16:14,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:16:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:16:14,409 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 21:16:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:16:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-10-26 21:16:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-10-26 21:16:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 21:16:14,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:16:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:16:14,985 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 21:16:15,381 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 21:16:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:16:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-10-26 21:16:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-10-26 21:16:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:16:15,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:16:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:16:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:16:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:16:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2018-10-26 21:16:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2018-10-26 21:16:16,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 21:16:16,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:16:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:16:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 21:16:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:16:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-26 21:16:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-26 21:16:18,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:16:18,334 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-10-26 21:16:18,342 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:16:18,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:16:18 ImpRootNode [2018-10-26 21:16:18,455 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:16:18,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:16:18,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:16:18,456 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:16:18,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:16:14" (3/4) ... [2018-10-26 21:16:18,459 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:16:18,464 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2018-10-26 21:16:18,465 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-10-26 21:16:18,469 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 21:16:18,469 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:16:18,469 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:16:18,508 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d055eb21-ce66-4f54-90cc-6441c490df22/bin-2019/ukojak/witness.graphml [2018-10-26 21:16:18,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:16:18,509 INFO L168 Benchmark]: Toolchain (without parser) took 5048.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.3 MB). Free memory was 954.4 MB in the beginning and 914.6 MB in the end (delta: 39.9 MB). Peak memory consumption was 273.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:16:18,509 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:16:18,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.41 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:16:18,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.86 ms. Allocated memory is still 1.0 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:16:18,510 INFO L168 Benchmark]: Boogie Preprocessor took 16.15 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:16:18,511 INFO L168 Benchmark]: RCFGBuilder took 499.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.6 MB in the beginning and 1.2 GB in the end (delta: -227.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:16:18,511 INFO L168 Benchmark]: CodeCheck took 4270.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 49.8 MB). Free memory was 1.2 GB in the beginning and 919.8 MB in the end (delta: 247.6 MB). Peak memory consumption was 297.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:16:18,512 INFO L168 Benchmark]: Witness Printer took 52.17 ms. Allocated memory is still 1.3 GB. Free memory was 919.8 MB in the beginning and 914.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:16:18,515 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 3 procedures, 24 locations, 1 error locations. SAFE Result, 4.1s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 200 SDtfs, 72 SDslu, 112 SDs, 0 SdLazy, 468 SolverSat, 220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 551 GetRequests, 461 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2090 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 5776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 7/14 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 - PositiveResult [Line: 25]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.41 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.86 ms. Allocated memory is still 1.0 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.15 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 499.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.6 MB in the beginning and 1.2 GB in the end (delta: -227.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * CodeCheck took 4270.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 49.8 MB). Free memory was 1.2 GB in the beginning and 919.8 MB in the end (delta: 247.6 MB). Peak memory consumption was 297.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.17 ms. Allocated memory is still 1.3 GB. Free memory was 919.8 MB in the beginning and 914.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...