./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.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_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/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 d2a071cc6090a217f48ed180b566a651717a8e39 ...................................................................................................................................................................................................................................................................................................................... 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_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/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 d2a071cc6090a217f48ed180b566a651717a8e39 ........................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:53:50,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:53:50,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:53:50,368 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:53:50,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:53:50,369 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:53:50,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:53:50,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:53:50,374 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:53:50,375 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:53:50,376 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:53:50,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:53:50,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:53:50,378 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:53:50,379 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:53:50,379 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:53:50,380 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:53:50,382 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:53:50,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:53:50,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:53:50,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:53:50,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:53:50,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:53:50,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:53:50,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:53:50,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:53:50,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:53:50,391 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:53:50,392 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:53:50,393 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:53:50,393 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:53:50,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:53:50,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:53:50,395 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:53:50,396 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:53:50,396 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:53:50,396 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:53:50,408 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:53:50,409 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:53:50,410 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:53:50,410 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:53:50,410 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:53:50,411 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:53:50,411 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:53:50,411 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:53:50,411 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:53:50,411 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:53:50,411 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:53:50,412 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:53:50,412 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:53:50,412 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:53:50,412 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:53:50,412 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:53:50,412 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:53:50,412 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:53:50,413 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:53:50,413 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:53:50,413 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:53:50,413 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:53:50,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:53:50,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:53:50,416 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:53:50,416 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:53:50,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:53:50,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:53:50,416 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_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-10-26 22:53:50,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:53:50,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:53:50,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:53:50,461 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:53:50,461 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:53:50,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-10-26 22:53:50,511 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data/7538dca00/ce1d5134a28c45dbacda7d522af15b4c/FLAG68c998caf [2018-10-26 22:53:50,886 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:53:50,886 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-10-26 22:53:50,892 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data/7538dca00/ce1d5134a28c45dbacda7d522af15b4c/FLAG68c998caf [2018-10-26 22:53:50,904 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data/7538dca00/ce1d5134a28c45dbacda7d522af15b4c [2018-10-26 22:53:50,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:53:50,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:53:50,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:53:50,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:53:50,913 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:53:50,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:53:50" (1/1) ... [2018-10-26 22:53:50,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc3b4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:50, skipping insertion in model container [2018-10-26 22:53:50,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:53:50" (1/1) ... [2018-10-26 22:53:50,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:53:50,941 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:53:51,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:53:51,060 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:53:51,073 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:53:51,085 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:53:51,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51 WrapperNode [2018-10-26 22:53:51,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:53:51,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:53:51,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:53:51,086 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:53:51,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:53:51,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:53:51,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:53:51,114 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:53:51,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:53:51,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:53:51,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:53:51,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:53:51,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/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 22:53:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:53:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:53:51,741 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:53:51,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:53:51 BoogieIcfgContainer [2018-10-26 22:53:51,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:53:51,742 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:53:51,742 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:53:51,752 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:53:51,752 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:53:51" (1/1) ... [2018-10-26 22:53:51,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:53:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 22:53:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 22:53:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 22:53:51,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:53:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:51,907 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 22:53:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:53:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-26 22:53:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-26 22:53:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:53:51,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:53:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:52,032 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 22:53:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:53:52,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-10-26 22:53:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-10-26 22:53:52,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 22:53:52,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:53:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:53:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-26 22:53:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-26 22:53:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 22:53:52,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:53:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:52,829 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-26 22:53:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:53:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-26 22:53:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-26 22:53:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 22:53:53,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:53:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:53,685 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-26 22:53:56,832 WARN L179 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 28 [2018-10-26 22:53:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:53:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-26 22:53:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-26 22:53:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 22:53:57,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:53:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:58,578 WARN L179 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-26 22:53:59,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:53:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-26 22:53:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-26 22:53:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:53:59,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:53:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:04,616 WARN L179 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-10-26 22:54:06,570 WARN L179 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 40 [2018-10-26 22:54:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-26 22:54:07,045 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-26 22:54:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 22:54:07,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:08,901 WARN L179 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 45 [2018-10-26 22:54:10,548 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-10-26 22:54:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-26 22:54:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-26 22:54:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:54:12,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:34,695 WARN L179 SmtUtils]: Spent 13.64 s on a formula simplification that was a NOOP. DAG size: 51 [2018-10-26 22:54:43,117 WARN L179 SmtUtils]: Spent 8.33 s on a formula simplification that was a NOOP. DAG size: 52 [2018-10-26 22:54:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-10-26 22:54:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-10-26 22:54:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 22:54:44,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:44,604 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-10-26 22:54:44,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:54:44 ImpRootNode [2018-10-26 22:54:44,662 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:54:44,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:54:44,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:54:44,663 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:54:44,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:53:51" (3/4) ... [2018-10-26 22:54:44,668 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:54:44,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:54:44,668 INFO L168 Benchmark]: Toolchain (without parser) took 53760.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 958.0 MB in the beginning and 940.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:44,670 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:44,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.41 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:44,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:44,671 INFO L168 Benchmark]: Boogie Preprocessor took 13.55 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:44,672 INFO L168 Benchmark]: RCFGBuilder took 613.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:44,672 INFO L168 Benchmark]: CodeCheck took 52920.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.8 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:44,673 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 1.2 GB. Free memory is still 940.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:44,678 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, 14 locations, 1 error locations. UNSAFE Result, 52.8s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2560 SDtfs, 1020 SDslu, 1528 SDs, 0 SdLazy, 2930 SolverSat, 1658 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 714 GetRequests, 628 SyntacticMatches, 56 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 47.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 11728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 0/168 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 22, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L14] unsigned char x; [L15] unsigned char y; [L16] unsigned char c; [L18] x = 37 [L19] y = 0 [L20] c = 0 [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; [L24] COND FALSE !(bit != (unsigned char)0) [L27] c = c + ((unsigned char)1) [L21] COND FALSE !(c < (unsigned char)8) [L29] CALL __VERIFIER_assert(x == y) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() * 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 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.41 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 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 27.25 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.55 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 613.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 52920.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.8 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.93 ms. Allocated memory is still 1.2 GB. Free memory is still 940.8 MB. 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 22:54:46,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:54:46,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:54:46,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:54:46,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:54:46,567 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:54:46,568 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:54:46,569 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:54:46,570 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:54:46,571 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:54:46,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:54:46,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:54:46,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:54:46,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:54:46,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:54:46,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:54:46,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:54:46,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:54:46,581 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:54:46,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:54:46,583 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:54:46,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:54:46,587 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:54:46,587 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:54:46,587 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:54:46,588 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:54:46,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:54:46,591 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:54:46,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:54:46,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:54:46,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:54:46,593 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:54:46,594 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:54:46,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:54:46,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:54:46,596 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:54:46,596 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 22:54:46,609 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:54:46,610 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:54:46,610 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:54:46,610 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:54:46,611 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:54:46,611 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:54:46,611 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:54:46,611 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:54:46,612 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:54:46,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:54:46,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:54:46,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:54:46,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:54:46,612 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:54:46,614 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:54:46,614 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:54:46,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:54:46,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:54:46,615 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:54:46,615 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:54:46,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:54:46,615 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:54:46,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:54:46,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:54:46,616 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:54:46,616 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:54:46,616 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 22:54:46,616 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:54:46,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:54:46,616 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:54:46,617 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:54:46,617 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_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-10-26 22:54:46,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:54:46,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:54:46,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:54:46,664 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:54:46,664 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:54:46,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-10-26 22:54:46,709 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data/434131a39/fb69eb6a21ac4e6d80b2d34eb6cfc354/FLAG88ec0dd36 [2018-10-26 22:54:47,127 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:54:47,128 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-10-26 22:54:47,133 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data/434131a39/fb69eb6a21ac4e6d80b2d34eb6cfc354/FLAG88ec0dd36 [2018-10-26 22:54:47,147 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/data/434131a39/fb69eb6a21ac4e6d80b2d34eb6cfc354 [2018-10-26 22:54:47,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:54:47,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:54:47,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:47,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:54:47,158 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:54:47,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2575ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47, skipping insertion in model container [2018-10-26 22:54:47,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:54:47,192 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:54:47,331 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:47,336 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:54:47,353 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:47,367 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:54:47,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47 WrapperNode [2018-10-26 22:54:47,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:47,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:47,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:54:47,368 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:54:47,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:47,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:54:47,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:54:47,400 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:54:47,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:54:47,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:54:47,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:54:47,420 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:54:47,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/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 22:54:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:54:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:54:47,947 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:54:47,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:47 BoogieIcfgContainer [2018-10-26 22:54:47,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:54:47,948 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:54:47,948 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:54:47,958 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:54:47,958 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:47" (1/1) ... [2018-10-26 22:54:47,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:47,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 22:54:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 22:54:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 22:54:47,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:48,035 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:48,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:48,066 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 22:54:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-26 22:54:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-26 22:54:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 22:54:48,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:48,075 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:48,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:48,137 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 22:54:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-10-26 22:54:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-10-26 22:54:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 22:54:48,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:48,220 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:48,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-10-26 22:54:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-10-26 22:54:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 22:54:48,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:48,378 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:48,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-10-26 22:54:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-10-26 22:54:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 22:54:48,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:48,723 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:48,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:49,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:49,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-10-26 22:54:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-10-26 22:54:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 22:54:49,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:49,025 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:49,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-10-26 22:54:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-10-26 22:54:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:54:49,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:49,432 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:49,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-10-26 22:54:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-10-26 22:54:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 22:54:49,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:49,822 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:49,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-10-26 22:54:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-10-26 22:54:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:54:49,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:49,999 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:50,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2018-10-26 22:54:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-10-26 22:54:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 22:54:50,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:50,249 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:50,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2018-10-26 22:54:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-10-26 22:54:51,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:54:51,717 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-10-26 22:54:51,725 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:54:51,850 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-10-26 22:54:51,968 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-10-26 22:54:51,969 INFO L582 CodeCheckObserver]: Invariant with dag size 35 [2018-10-26 22:54:51,979 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:54:51,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:54:51 ImpRootNode [2018-10-26 22:54:51,980 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:54:51,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:54:51,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:54:51,981 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:54:51,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:47" (3/4) ... [2018-10-26 22:54:51,985 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:54:51,992 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 22:54:51,993 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:54:51,993 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:54:52,029 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_27f00abd-6cb0-4861-8fe2-13d6e1f792b3/bin-2019/ukojak/witness.graphml [2018-10-26 22:54:52,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:54:52,030 INFO L168 Benchmark]: Toolchain (without parser) took 4878.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -114.4 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:52,032 INFO L168 Benchmark]: CDTParser took 0.14 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 22:54:52,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:52,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.17 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:52,039 INFO L168 Benchmark]: Boogie Preprocessor took 19.93 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:52,039 INFO L168 Benchmark]: RCFGBuilder took 527.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:52,039 INFO L168 Benchmark]: CodeCheck took 4032.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:52,040 INFO L168 Benchmark]: Witness Printer took 49.25 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 22:54:52,041 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, 14 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5120 SDtfs, 2080 SDslu, 3128 SDs, 0 SdLazy, 5186 SolverSat, 3102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 928 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 7285 SizeOfPredicates, 28 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/240 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((((2bv8 == c && 1bv8 == y) && 37bv8 == x) || ((0bv8 == c && 37bv8 == x) && 0bv8 == y)) || ((1bv8 == y && 37bv8 == x) && 1bv8 == c)) || ((4bv8 == c && 37bv8 == x) && 5bv8 == y)) || (((((((!(5bv8 == c) && !(3bv8 == c)) && !(4bv8 == c)) && !(2bv8 == c)) && 37bv8 == x) && !(1bv8 == c)) && !(0bv8 == c)) && 37bv8 == y)) || ((37bv8 == x && 3bv8 == c) && 5bv8 == y)) || ((37bv8 == x && 5bv8 == c) && 5bv8 == y) - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 214.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 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 31.17 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.93 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 527.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * CodeCheck took 4032.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. * Witness Printer took 49.25 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 proved your program to be correct! Received shutdown request...