./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_2_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_2_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/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 2dba1f69a6b738bef9ed848916ef3e39fe78a0e0 ....................................................................................................................................................................................................................................... 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_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_2_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/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 2dba1f69a6b738bef9ed848916ef3e39fe78a0e0 .......................................................................................................................................................................................................................................... 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 22:05:05,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:05:05,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:05:05,599 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:05:05,599 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:05:05,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:05:05,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:05:05,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:05:05,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:05:05,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:05:05,605 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:05:05,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:05:05,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:05:05,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:05:05,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:05:05,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:05:05,609 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:05:05,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:05:05,612 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:05:05,613 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:05:05,614 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:05:05,615 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:05:05,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:05:05,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:05:05,617 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:05:05,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:05:05,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:05:05,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:05:05,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:05:05,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:05:05,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:05:05,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:05:05,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:05:05,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:05:05,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:05:05,624 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:05:05,624 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:05:05,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:05:05,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:05:05,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:05:05,641 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:05:05,641 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:05:05,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:05:05,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:05:05,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:05:05,642 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:05:05,642 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:05:05,642 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:05:05,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:05:05,643 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:05:05,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:05:05,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:05:05,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:05:05,643 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:05:05,643 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:05:05,644 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:05:05,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:05:05,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:05:05,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:05:05,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:05:05,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:05:05,644 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:05:05,645 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:05:05,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:05:05,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:05:05,645 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_3bec6163-9c25-49ef-b3db-43203c659e22/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 -> 2dba1f69a6b738bef9ed848916ef3e39fe78a0e0 [2018-10-26 22:05:05,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:05:05,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:05:05,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:05:05,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:05:05,692 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:05:05,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/zonotope_2_true-unreach-call_true-termination.c [2018-10-26 22:05:05,744 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data/edfaea951/0a0b923512e34bf4a24825ca2f56aaeb/FLAGdbfff229b [2018-10-26 22:05:06,132 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:05:06,133 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/sv-benchmarks/c/float-benchs/zonotope_2_true-unreach-call_true-termination.c [2018-10-26 22:05:06,139 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data/edfaea951/0a0b923512e34bf4a24825ca2f56aaeb/FLAGdbfff229b [2018-10-26 22:05:06,159 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data/edfaea951/0a0b923512e34bf4a24825ca2f56aaeb [2018-10-26 22:05:06,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:05:06,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:05:06,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:05:06,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:05:06,171 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:05:06,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a1f0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06, skipping insertion in model container [2018-10-26 22:05:06,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:05:06,202 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:05:06,372 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:05:06,376 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:05:06,393 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:05:06,407 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:05:06,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06 WrapperNode [2018-10-26 22:05:06,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:05:06,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:05:06,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:05:06,409 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:05:06,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:05:06,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:05:06,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:05:06,440 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:05:06,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:05:06,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:05:06,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:05:06,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:05:06,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/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 22:05:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:05:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:05:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:05:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:05:06,931 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:05:06,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:05:06 BoogieIcfgContainer [2018-10-26 22:05:06,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:05:06,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:05:06,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:05:06,943 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:05:06,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:05:06" (1/1) ... [2018-10-26 22:05:06,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:05:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-10-26 22:05:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-10-26 22:05:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:05:06,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:05:07,063 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 22:05:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-10-26 22:05:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-26 22:05:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:05:07,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:05:07,149 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 22:05:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:07,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2018-10-26 22:05:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-10-26 22:05:07,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:05:07,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:05:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:05:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:05:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:05:07,335 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-10-26 22:05:07,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:05:07 ImpRootNode [2018-10-26 22:05:07,357 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:05:07,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:05:07,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:05:07,358 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:05:07,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:05:06" (3/4) ... [2018-10-26 22:05:07,361 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:05:07,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:05:07,362 INFO L168 Benchmark]: Toolchain (without parser) took 1198.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:05:07,363 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:05:07,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.68 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:07,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.49 ms. Allocated memory is still 1.0 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:05:07,365 INFO L168 Benchmark]: Boogie Preprocessor took 23.43 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:07,366 INFO L168 Benchmark]: RCFGBuilder took 468.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -202.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:07,366 INFO L168 Benchmark]: CodeCheck took 424.98 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:05:07,367 INFO L168 Benchmark]: Witness Printer took 3.73 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 22:05:07,370 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 2 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 20. Possible FailurePath: [L12] float x = 12.f; [L13] float x1 = 12.f; [L14] float y = 16.f; [L15] float y1 = 16.f; [L16] int i; [L17] i = 0 [L17] COND TRUE i < 100000 [L18] x = x1 [L19] y = y1 [L20] x1 = 3.f * x / 4.f + y / 4.f [L21] y1 = x / 4.f + 3.f * y / 4.f [L23] CALL __VERIFIER_assert(x1 >= 0.f && x1 <= 100.f) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.68 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.49 ms. Allocated memory is still 1.0 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.43 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 468.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -202.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * CodeCheck took 424.98 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.73 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 22:05:09,216 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:05:09,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:05:09,228 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:05:09,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:05:09,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:05:09,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:05:09,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:05:09,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:05:09,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:05:09,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:05:09,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:05:09,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:05:09,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:05:09,236 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:05:09,237 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:05:09,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:05:09,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:05:09,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:05:09,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:05:09,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:05:09,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:05:09,246 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:05:09,246 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:05:09,246 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:05:09,247 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:05:09,248 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:05:09,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:05:09,249 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:05:09,250 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:05:09,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:05:09,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:05:09,251 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:05:09,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:05:09,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:05:09,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:05:09,252 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 22:05:09,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:05:09,278 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:05:09,279 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:05:09,279 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:05:09,279 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:05:09,279 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:05:09,280 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:05:09,280 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:05:09,280 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:05:09,280 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:05:09,280 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:05:09,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:05:09,280 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:05:09,280 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:05:09,281 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:05:09,281 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:05:09,281 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:05:09,281 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:05:09,281 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:05:09,281 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:05:09,281 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:05:09,282 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:05:09,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:05:09,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:05:09,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:05:09,284 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:05:09,284 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 22:05:09,284 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:05:09,285 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:05:09,285 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:05:09,285 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:05:09,285 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_3bec6163-9c25-49ef-b3db-43203c659e22/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 -> 2dba1f69a6b738bef9ed848916ef3e39fe78a0e0 [2018-10-26 22:05:09,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:05:09,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:05:09,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:05:09,339 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:05:09,340 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:05:09,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/zonotope_2_true-unreach-call_true-termination.c [2018-10-26 22:05:09,385 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data/cd0f1cc29/3c92b0fe2dfc4cceae7b8ad61d9f2529/FLAGe7d2f6c26 [2018-10-26 22:05:09,784 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:05:09,785 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/sv-benchmarks/c/float-benchs/zonotope_2_true-unreach-call_true-termination.c [2018-10-26 22:05:09,793 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data/cd0f1cc29/3c92b0fe2dfc4cceae7b8ad61d9f2529/FLAGe7d2f6c26 [2018-10-26 22:05:09,809 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/bin-2019/ukojak/data/cd0f1cc29/3c92b0fe2dfc4cceae7b8ad61d9f2529 [2018-10-26 22:05:09,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:05:09,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:05:09,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:05:09,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:05:09,821 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:05:09,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:05:09" (1/1) ... [2018-10-26 22:05:09,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb8b595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:09, skipping insertion in model container [2018-10-26 22:05:09,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:05:09" (1/1) ... [2018-10-26 22:05:09,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:05:09,852 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:05:10,018 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:05:10,025 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:05:10,045 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:05:10,060 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:05:10,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10 WrapperNode [2018-10-26 22:05:10,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:05:10,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:05:10,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:05:10,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:05:10,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:05:10,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:05:10,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:05:10,094 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:05:10,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... [2018-10-26 22:05:10,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:05:10,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:05:10,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:05:10,122 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:05:10,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bec6163-9c25-49ef-b3db-43203c659e22/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 22:05:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:05:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:05:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:05:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:05:11,553 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:05:11,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:05:11 BoogieIcfgContainer [2018-10-26 22:05:11,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:05:11,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:05:11,554 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:05:11,562 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:05:11,563 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:05:11" (1/1) ... [2018-10-26 22:05:11,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:05:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-10-26 22:05:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-10-26 22:05:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:05:11,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:11,646 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:05:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:05:11,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:05:11,682 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 22:05:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-10-26 22:05:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-26 22:05:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:05:11,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:11,692 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:05:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:05:11,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:05:11,754 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 22:05:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:05:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2018-10-26 22:05:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-10-26 22:05:21,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:05:21,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:05:21,547 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:05:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:05:24,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:05:24,687 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 22:06:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:06:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2018-10-26 22:06:25,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2018-10-26 22:06:25,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 22:06:25,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:06:25,933 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:06:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:30,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:06:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2018-10-26 22:07:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2018-10-26 22:07:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:07:01,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:01,446 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:07:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:01,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:07:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:07:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:07:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-10-26 22:07:28,107 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-10-26 22:07:28,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:07:28,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:07:28,110 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:07:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-26 22:07:38,437 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 22:07:38,440 INFO L168 Benchmark]: Toolchain (without parser) took 148627.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 954.6 MB in the beginning and 930.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 150.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:07:38,441 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:07:38,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.32 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:07:38,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.01 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:07:38,446 INFO L168 Benchmark]: Boogie Preprocessor took 28.40 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:07:38,446 INFO L168 Benchmark]: RCFGBuilder took 1431.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:07:38,447 INFO L168 Benchmark]: CodeCheck took 146885.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.8 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:07:38,451 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.32 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 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 32.01 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.40 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1431.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 146885.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.8 MB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...