./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label04_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label04_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/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 934ac0c05f00b5533c5762fd299ca2b626899a0c ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:05:37,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:05:37,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:05:37,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:05:37,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:05:37,983 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:05:37,984 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:05:37,985 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:05:37,986 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:05:37,987 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:05:37,988 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:05:37,988 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:05:37,989 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:05:37,989 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:05:37,990 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:05:37,991 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:05:37,992 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:05:37,993 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:05:37,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:05:37,995 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:05:37,996 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:05:37,997 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:05:37,999 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:05:37,999 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:05:37,999 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:05:38,000 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:05:38,000 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:05:38,001 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:05:38,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:05:38,003 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:05:38,003 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:05:38,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:05:38,003 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:05:38,004 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:05:38,004 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:05:38,005 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:05:38,005 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:05:38,015 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:05:38,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:05:38,016 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:05:38,016 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:05:38,017 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:05:38,017 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:05:38,017 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:05:38,018 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:05:38,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:05:38,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:05:38,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:05:38,018 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:05:38,018 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:05:38,018 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:05:38,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:05:38,019 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:05:38,019 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:05:38,019 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:05:38,019 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:05:38,019 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:05:38,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:05:38,020 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:05:38,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:05:38,020 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:05:38,020 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:05:38,020 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:05:38,020 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:05:38,021 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:05:38,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:05:38,021 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_789b56b4-26e7-4997-be65-dffdc9d6b300/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 -> 934ac0c05f00b5533c5762fd299ca2b626899a0c [2018-11-18 13:05:38,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:05:38,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:05:38,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:05:38,059 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:05:38,059 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:05:38,060 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label04_true-unreach-call.c [2018-11-18 13:05:38,100 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/data/aedab9452/b662ad9b6a4649458487ffbdaefb059e/FLAG530f7853b [2018-11-18 13:05:38,527 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:05:38,527 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/sv-benchmarks/c/eca-rers2012/Problem11_label04_true-unreach-call.c [2018-11-18 13:05:38,539 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/data/aedab9452/b662ad9b6a4649458487ffbdaefb059e/FLAG530f7853b [2018-11-18 13:05:38,862 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/data/aedab9452/b662ad9b6a4649458487ffbdaefb059e [2018-11-18 13:05:38,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:05:38,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:05:38,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:05:38,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:05:38,868 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:05:38,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:05:38" (1/1) ... [2018-11-18 13:05:38,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6180e9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:38, skipping insertion in model container [2018-11-18 13:05:38,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:05:38" (1/1) ... [2018-11-18 13:05:38,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:05:38,920 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:05:39,257 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:05:39,261 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:05:39,388 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:05:39,403 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:05:39,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39 WrapperNode [2018-11-18 13:05:39,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:05:39,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:05:39,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:05:39,405 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:05:39,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:05:39,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:05:39,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:05:39,589 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:05:39,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... [2018-11-18 13:05:39,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:05:39,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:05:39,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:05:39,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:05:39,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:05:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/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 [2018-11-18 13:05:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:05:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:05:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:11:47,963 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:11:47,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:11:47 BoogieIcfgContainer [2018-11-18 13:11:47,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:11:47,964 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:11:47,964 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:11:47,974 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:11:47,975 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:11:47" (1/1) ... [2018-11-18 13:11:47,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:11:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:11:48,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 13:11:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 13:11:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:11:48,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:11:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:11:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 13:11:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 13:11:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 13:11:48,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:11:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:48,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:11:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:11:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-18 13:11:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-18 13:11:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:11:49,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:11:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:11:50,337 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2018-11-18 13:11:50,510 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 30 [2018-11-18 13:11:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:12:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:12:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2018-11-18 13:12:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2018-11-18 13:12:11,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:12:11,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:12:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:12:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:12:32,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:12:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2018-11-18 13:12:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2018-11-18 13:12:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:12:32,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:12:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:12:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:12:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:12:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2018-11-18 13:12:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2018-11-18 13:12:33,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:12:33,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:12:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:12:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:13:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2018-11-18 13:13:07,933 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2018-11-18 13:13:07,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:13:07,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:13:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-11-18 13:13:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-11-18 13:13:20,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:13:20,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:13:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 102 transitions. [2018-11-18 13:13:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2018-11-18 13:13:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:13:21,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:13:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2018-11-18 13:13:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2018-11-18 13:13:23,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:13:23,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:13:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:26,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2018-11-18 13:13:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2018-11-18 13:13:26,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:13:26,113 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 13:13:26,120 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:13:26,490 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:13:26,493 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-18 13:13:26,501 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-18 13:13:26,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:13:26 ImpRootNode [2018-11-18 13:13:26,503 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:13:26,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:13:26,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:13:26,503 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:13:26,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:11:47" (3/4) ... [2018-11-18 13:13:26,507 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:13:26,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 251 nodes and edges [2018-11-18 13:13:26,531 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-18 13:13:26,532 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 13:13:26,534 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:13:26,666 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_789b56b4-26e7-4997-be65-dffdc9d6b300/bin-2019/ukojak/witness.graphml [2018-11-18 13:13:26,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:13:26,667 INFO L168 Benchmark]: Toolchain (without parser) took 467802.59 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 955.4 MB in the beginning and 974.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 13:13:26,668 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:13:26,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.62 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 896.3 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:26,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 896.3 MB in the beginning and 1.1 GB in the end (delta: -233.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:26,669 INFO L168 Benchmark]: Boogie Preprocessor took 92.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:26,669 INFO L168 Benchmark]: RCFGBuilder took 368283.01 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 279.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.4 MB). Peak memory consumption was 688.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:26,669 INFO L168 Benchmark]: CodeCheck took 98538.76 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 674.8 MB). Free memory was 1.0 GB in the beginning and 997.7 MB in the end (delta: 48.8 MB). Peak memory consumption was 723.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:26,670 INFO L168 Benchmark]: Witness Printer took 163.75 ms. Allocated memory is still 2.1 GB. Free memory was 997.7 MB in the beginning and 974.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:13:26,671 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, 284 locations, 1 error locations. SAFE Result, 98.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7600 SDtfs, 17578 SDslu, 18112 SDs, 0 SdLazy, 40474 SolverSat, 4580 SolverUnsat, 880 SolverUnknown, 0 SolverNotchecked, 499.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1781 GetRequests, 1574 SyntacticMatches, 105 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5266 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 44975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 90/197 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: 165]: 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 - InvariantResult [Line: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((a8 == 15 && (!(a4 == 1) || a29 <= 140)) && a3 == 1) || ((a8 == 15 && a3 == 1) && ((!(a25 == 9) || 246 <= a29) || 0 <= a23 + 42)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((a8 == 15 && 0 < a23 + 43) && a3 == 1) || ((a8 == 15 && (((!(a25 == 9) || 245 < a29) || !(a4 == 1)) || a29 <= 140)) && a3 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 538.62 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 896.3 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 183.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 896.3 MB in the beginning and 1.1 GB in the end (delta: -233.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 368283.01 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 279.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.4 MB). Peak memory consumption was 688.4 MB. Max. memory is 11.5 GB. * CodeCheck took 98538.76 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 674.8 MB). Free memory was 1.0 GB in the beginning and 997.7 MB in the end (delta: 48.8 MB). Peak memory consumption was 723.6 MB. Max. memory is 11.5 GB. * Witness Printer took 163.75 ms. Allocated memory is still 2.1 GB. Free memory was 997.7 MB in the beginning and 974.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...