./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/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 d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 04:47:55,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:47:55,541 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:47:55,547 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:47:55,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:47:55,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:47:55,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:47:55,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:47:55,550 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:47:55,550 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:47:55,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:47:55,551 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:47:55,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:47:55,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:47:55,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:47:55,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:47:55,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:47:55,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:47:55,555 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:47:55,555 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:47:55,556 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:47:55,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:47:55,557 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:47:55,558 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:47:55,558 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:47:55,558 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:47:55,559 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:47:55,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:47:55,559 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:47:55,560 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:47:55,560 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:47:55,560 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:47:55,561 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:47:55,561 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:47:55,561 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:47:55,561 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:47:55,562 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 04:47:55,569 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:47:55,569 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:47:55,569 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:47:55,569 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:47:55,570 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:47:55,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:47:55,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:47:55,570 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:47:55,570 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:47:55,570 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:47:55,570 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:47:55,571 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:47:55,571 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:47:55,571 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:47:55,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:47:55,572 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:47:55,572 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:47:55,572 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:47:55,572 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 04:47:55,572 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:47:55,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:47:55,572 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_b0c51fd8-1aa3-4904-99d7-d45a65917605/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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2018-12-09 04:47:55,589 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:47:55,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:47:55,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:47:55,598 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:47:55,599 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:47:55,599 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-12-09 04:47:55,632 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/data/211656a68/29dc9089379049d3914780367cf3e6aa/FLAG19ddd01ae [2018-12-09 04:47:56,110 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:47:56,110 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-12-09 04:47:56,118 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/data/211656a68/29dc9089379049d3914780367cf3e6aa/FLAG19ddd01ae [2018-12-09 04:47:56,128 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/data/211656a68/29dc9089379049d3914780367cf3e6aa [2018-12-09 04:47:56,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:47:56,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:47:56,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:47:56,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:47:56,133 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:47:56,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56, skipping insertion in model container [2018-12-09 04:47:56,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:47:56,167 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:47:56,361 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:47:56,364 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:47:56,468 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:47:56,477 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:47:56,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56 WrapperNode [2018-12-09 04:47:56,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:47:56,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:47:56,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:47:56,478 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:47:56,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:47:56,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:47:56,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:47:56,527 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:47:56,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... [2018-12-09 04:47:56,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:47:56,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:47:56,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:47:56,566 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:47:56,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/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 [2018-12-09 04:47:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:47:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:52:17,911 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:52:17,911 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 04:52:17,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:52:17 BoogieIcfgContainer [2018-12-09 04:52:17,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:52:17,912 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:52:17,912 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:52:17,918 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:52:17,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:52:17" (1/1) ... [2018-12-09 04:52:17,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:52:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 04:52:17,946 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 04:52:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 04:52:17,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 04:52:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 04:52:18,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 04:52:18,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-09 04:52:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-09 04:52:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 04:52:18,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2018-12-09 04:52:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2018-12-09 04:52:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 04:52:31,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2018-12-09 04:52:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2018-12-09 04:52:32,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:52:32,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2018-12-09 04:52:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2018-12-09 04:52:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:52:45,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2018-12-09 04:52:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2018-12-09 04:52:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:52:55,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 43 states and 88 transitions. [2018-12-09 04:52:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 88 transitions. [2018-12-09 04:52:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 04:52:56,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:57,446 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 39 [2018-12-09 04:52:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 104 transitions. [2018-12-09 04:52:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 104 transitions. [2018-12-09 04:52:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 04:52:58,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:52:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:52:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:52:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 50 states and 105 transitions. [2018-12-09 04:52:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 105 transitions. [2018-12-09 04:52:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 04:52:59,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:52:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:53:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:53:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:53:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 41 states and 88 transitions. [2018-12-09 04:53:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 88 transitions. [2018-12-09 04:53:20,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:53:20,845 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-09 04:53:20,851 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 04:53:21,088 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2018-12-09 04:53:21,311 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2018-12-09 04:53:21,311 INFO L583 CodeCheckObserver]: Invariant with dag size 42 [2018-12-09 04:53:21,318 INFO L583 CodeCheckObserver]: Invariant with dag size 35 [2018-12-09 04:53:21,319 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:53:21,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:53:21 ImpRootNode [2018-12-09 04:53:21,320 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:53:21,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:53:21,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:53:21,320 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:53:21,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:52:17" (3/4) ... [2018-12-09 04:53:21,323 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:53:21,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-09 04:53:21,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 04:53:21,336 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 04:53:21,337 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 04:53:21,405 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0c51fd8-1aa3-4904-99d7-d45a65917605/bin-2019/ukojak/witness.graphml [2018-12-09 04:53:21,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:53:21,406 INFO L168 Benchmark]: Toolchain (without parser) took 325275.57 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 481.3 MB). Free memory was 951.7 MB in the beginning and 865.1 MB in the end (delta: 86.6 MB). Peak memory consumption was 567.9 MB. Max. memory is 11.5 GB. [2018-12-09 04:53:21,406 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:53:21,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-09 04:53:21,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:53:21,407 INFO L168 Benchmark]: Boogie Preprocessor took 38.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:53:21,407 INFO L168 Benchmark]: RCFGBuilder took 261346.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.1 GB in the beginning and 872.8 MB in the end (delta: 209.7 MB). Peak memory consumption was 368.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:53:21,407 INFO L168 Benchmark]: CodeCheck took 63407.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 320.9 MB). Free memory was 872.8 MB in the beginning and 888.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 305.2 MB. Max. memory is 11.5 GB. [2018-12-09 04:53:21,408 INFO L168 Benchmark]: Witness Printer took 85.24 ms. Allocated memory is still 1.5 GB. Free memory was 888.4 MB in the beginning and 865.1 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-12-09 04:53:21,409 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, 245 locations, 1 error locations. SAFE Result, 62.9s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6628 SDtfs, 13136 SDslu, 9160 SDs, 0 SdLazy, 42874 SolverSat, 7526 SolverUnsat, 100 SolverUnknown, 0 SolverNotchecked, 239.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1576 GetRequests, 1336 SyntacticMatches, 118 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12662 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 68888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/194 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: 175]: 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: 880]: Loop Invariant Derived loop invariant: (((a12 <= 80 && !(!(a24 == 1) || !(a21 == 7))) || ((!(a15 == 9) || !(a21 == 6)) && ((((a21 == 6 || a21 == 10) || a21 == 8) || a15 == 9) || a21 == 9)) || (a12 <= 600065 && (a15 == 9 || a12 + 1 <= 0))) || (!(a24 == 1) && a21 == 6)) || (!(a15 == 9) && !(a15 == 7)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(a15 == 9) && !(a15 == 7)) || ((!(a21 == 6) || !(a24 == 1)) && a15 == 9)) || (!(a15 == 9) && (((a21 == 6 || a21 == 10) || a21 == 8) || a21 == 9)) || (a12 <= 600065 && (a15 == 9 || a12 + 1 <= 0)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 261346.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.1 GB in the beginning and 872.8 MB in the end (delta: 209.7 MB). Peak memory consumption was 368.5 MB. Max. memory is 11.5 GB. * CodeCheck took 63407.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 320.9 MB). Free memory was 872.8 MB in the beginning and 888.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 305.2 MB. Max. memory is 11.5 GB. * Witness Printer took 85.24 ms. Allocated memory is still 1.5 GB. Free memory was 888.4 MB in the beginning and 865.1 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...