./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/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 ac1c2f023046690eb69a7c8f4224e12d57f24d83 .......................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/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 ac1c2f023046690eb69a7c8f4224e12d57f24d83 .................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:53:44,497 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:53:44,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:53:44,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:53:44,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:53:44,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:53:44,514 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:53:44,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:53:44,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:53:44,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:53:44,522 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:53:44,522 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:53:44,523 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:53:44,525 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:53:44,532 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:53:44,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:53:44,533 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:53:44,534 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:53:44,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:53:44,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:53:44,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:53:44,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:53:44,543 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:53:44,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:53:44,546 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:53:44,547 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:53:44,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:53:44,548 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:53:44,549 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:53:44,549 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:53:44,550 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:53:44,553 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:53:44,554 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:53:44,554 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:53:44,555 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:53:44,557 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:53:44,558 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:53:44,572 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:53:44,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:53:44,574 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:53:44,574 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:53:44,575 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:53:44,576 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:53:44,576 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:53:44,576 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:53:44,577 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:53:44,578 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:53:44,578 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:53:44,578 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:53:44,578 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:53:44,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:53:44,578 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:53:44,578 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:53:44,578 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:53:44,579 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:53:44,579 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:53:44,579 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:53:44,579 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_4657cb21-b573-4888-a842-9ab1f60f6559/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 -> ac1c2f023046690eb69a7c8f4224e12d57f24d83 [2018-10-26 20:53:44,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:53:44,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:53:44,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:53:44,646 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:53:44,646 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:53:44,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i [2018-10-26 20:53:44,697 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data/4aa88e20c/fe89a8ff43284d5da3410d4bf8706e67/FLAG1fc6cec10 [2018-10-26 20:53:45,088 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:53:45,090 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i [2018-10-26 20:53:45,096 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data/4aa88e20c/fe89a8ff43284d5da3410d4bf8706e67/FLAG1fc6cec10 [2018-10-26 20:53:45,118 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data/4aa88e20c/fe89a8ff43284d5da3410d4bf8706e67 [2018-10-26 20:53:45,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:53:45,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:53:45,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:53:45,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:53:45,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:53:45,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549f6ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45, skipping insertion in model container [2018-10-26 20:53:45,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:53:45,164 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:53:45,298 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:53:45,302 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:53:45,319 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:53:45,331 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:53:45,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45 WrapperNode [2018-10-26 20:53:45,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:53:45,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:53:45,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:53:45,333 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:53:45,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:53:45,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:53:45,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:53:45,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:53:45,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:53:45,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:53:45,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:53:45,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:53:45,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:53:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:53:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:53:45,931 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:53:45,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:53:45 BoogieIcfgContainer [2018-10-26 20:53:45,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:53:45,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:53:45,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:53:45,941 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:53:45,942 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:53:45" (1/1) ... [2018-10-26 20:53:45,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:53:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-26 20:53:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-26 20:53:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 20:53:45,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:53:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:53:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:53:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-10-26 20:53:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-10-26 20:53:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 20:53:46,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:53:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:53:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:53:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:53:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:53:46,182 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 20:53:46,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:53:46 ImpRootNode [2018-10-26 20:53:46,207 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:53:46,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:53:46,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:53:46,208 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:53:46,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:53:45" (3/4) ... [2018-10-26 20:53:46,212 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:53:46,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:53:46,213 INFO L168 Benchmark]: Toolchain (without parser) took 1091.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 961.2 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:53:46,215 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:53:46,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.17 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 949.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:46,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.60 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:46,217 INFO L168 Benchmark]: Boogie Preprocessor took 16.42 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:53:46,217 INFO L168 Benchmark]: RCFGBuilder took 554.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 946.4 MB in the beginning and 1.2 GB in the end (delta: -216.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:46,218 INFO L168 Benchmark]: CodeCheck took 275.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:53:46,218 INFO L168 Benchmark]: Witness Printer took 4.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:53:46,221 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, 15 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L9] float pi = 3.14159 ; [L15] float x = __VERIFIER_nondet_float() ; [L16] float octant = pi/3 ; [L18] float oddExp = x ; [L19] float evenExp = 1.0 ; [L20] float term = x ; [L21] unsigned int count = 2 ; [L22] int multFactor = 0 ; [L23] int temp ; VAL [pi=314159/100000] [L25] COND TRUE 1 [L27] term = term * (x/count) [L28] COND FALSE, EXPR !((count>>1 % 2 == 0) ? 1 : -1) [L28] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L30] evenExp = evenExp + multFactor*term [L32] count++ [L34] term = term * (x/count) [L36] oddExp = oddExp + multFactor*term [L38] count++ [L40] temp = __VERIFIER_nondet_int() [L41] COND TRUE temp == 0 VAL [pi=314159/100000] [L44] CALL __VERIFIER_assert( oddExp >= evenExp ) [L7] COND TRUE !(cond) VAL [pi=314159/100000] [L7] __VERIFIER_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.17 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 949.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.60 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.42 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 554.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 946.4 MB in the beginning and 1.2 GB in the end (delta: -216.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * CodeCheck took 275.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:53:48,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:53:48,123 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:53:48,133 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:53:48,133 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:53:48,134 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:53:48,135 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:53:48,136 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:53:48,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:53:48,137 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:53:48,138 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:53:48,138 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:53:48,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:53:48,140 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:53:48,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:53:48,141 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:53:48,142 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:53:48,143 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:53:48,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:53:48,146 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:53:48,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:53:48,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:53:48,150 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:53:48,150 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:53:48,150 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:53:48,151 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:53:48,152 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:53:48,153 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:53:48,153 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:53:48,154 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:53:48,154 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:53:48,155 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:53:48,155 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:53:48,155 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:53:48,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:53:48,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:53:48,157 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 20:53:48,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:53:48,178 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:53:48,179 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:53:48,179 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:53:48,179 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:53:48,180 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:53:48,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:53:48,180 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:53:48,180 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:53:48,180 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:53:48,180 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:53:48,181 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:53:48,181 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:53:48,181 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:53:48,181 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:53:48,181 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:53:48,181 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:53:48,181 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:53:48,181 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:53:48,182 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:53:48,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:53:48,183 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:53:48,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:53:48,183 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:53:48,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:53:48,184 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:53:48,184 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 20:53:48,184 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:53:48,184 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:53:48,184 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:53:48,184 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:53:48,184 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_4657cb21-b573-4888-a842-9ab1f60f6559/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 -> ac1c2f023046690eb69a7c8f4224e12d57f24d83 [2018-10-26 20:53:48,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:53:48,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:53:48,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:53:48,244 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:53:48,244 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:53:48,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i [2018-10-26 20:53:48,291 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data/37e565365/69db398ce5e44dff9b074be5b5c00792/FLAG2cc371c5d [2018-10-26 20:53:48,676 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:53:48,678 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/sv-benchmarks/c/loop-floats-scientific-comp/loop2_false-unreach-call.c.i [2018-10-26 20:53:48,685 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data/37e565365/69db398ce5e44dff9b074be5b5c00792/FLAG2cc371c5d [2018-10-26 20:53:48,701 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/data/37e565365/69db398ce5e44dff9b074be5b5c00792 [2018-10-26 20:53:48,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:53:48,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:53:48,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:53:48,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:53:48,714 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:53:48,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:48,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559bb6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48, skipping insertion in model container [2018-10-26 20:53:48,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:48,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:53:48,751 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:53:48,934 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:53:48,940 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:53:48,964 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:53:48,983 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:53:48,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48 WrapperNode [2018-10-26 20:53:48,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:53:48,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:53:48,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:53:48,986 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:53:48,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:53:49,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:53:49,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:53:49,019 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:53:49,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... [2018-10-26 20:53:49,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:53:49,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:53:49,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:53:49,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:53:49,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:53:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4657cb21-b573-4888-a842-9ab1f60f6559/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:53:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:53:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:54:39,025 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:54:39,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:54:39 BoogieIcfgContainer [2018-10-26 20:54:39,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:54:39,026 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:54:39,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:54:39,036 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:54:39,036 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:54:39" (1/1) ... [2018-10-26 20:54:39,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:54:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-26 20:54:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-26 20:54:39,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 20:54:39,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:54:39,134 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 20:54:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:39,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:54:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:54:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:54:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-10-26 20:54:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-10-26 20:54:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 20:54:39,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:54:39,180 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 20:54:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-26 20:54:50,648 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 20:54:50,652 INFO L168 Benchmark]: Toolchain (without parser) took 61945.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:54:50,654 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:54:50,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:50,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.29 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:50,658 INFO L168 Benchmark]: Boogie Preprocessor took 21.06 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:54:50,659 INFO L168 Benchmark]: RCFGBuilder took 49985.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:50,666 INFO L168 Benchmark]: CodeCheck took 11624.47 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:50,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.29 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.06 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 49985.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 11624.47 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...