java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loop-invariants/odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:49:00,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:49:00,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:49:00,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:49:00,164 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:49:00,165 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:49:00,167 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:49:00,170 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:49:00,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:49:00,181 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:49:00,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:49:00,183 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:49:00,184 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:49:00,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:49:00,190 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:49:00,191 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:49:00,192 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:49:00,196 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:49:00,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:49:00,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:49:00,205 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:49:00,206 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:49:00,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:49:00,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:49:00,208 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:49:00,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:49:00,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:49:00,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:49:00,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:49:00,213 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:49:00,213 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:49:00,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:49:00,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:49:00,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:49:00,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:49:00,216 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:49:00,216 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 11:49:00,231 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:49:00,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:49:00,232 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:49:00,232 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:49:00,233 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:49:00,233 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:49:00,233 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:49:00,234 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:49:00,234 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:49:00,234 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:49:00,234 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:49:00,234 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:49:00,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:49:00,235 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:49:00,235 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:49:00,235 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:49:00,235 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:49:00,235 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:49:00,236 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:49:00,236 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:49:00,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:49:00,236 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:49:00,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:49:00,237 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:49:00,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:49:00,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:49:00,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:49:00,238 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:49:00,238 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:49:00,238 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:49:00,238 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:49:00,238 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:49:00,239 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:49:00,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:49:00,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:49:00,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:49:00,308 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:49:00,308 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:49:00,309 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 11:49:00,386 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/287cf1a3d/f17dbc26364a4a21b0e2ec225eddec5d/FLAGc10fe503c [2018-11-23 11:49:00,891 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:49:00,893 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 11:49:00,900 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/287cf1a3d/f17dbc26364a4a21b0e2ec225eddec5d/FLAGc10fe503c [2018-11-23 11:49:01,204 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/287cf1a3d/f17dbc26364a4a21b0e2ec225eddec5d [2018-11-23 11:49:01,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:49:01,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:49:01,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:49:01,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:49:01,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:49:01,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2d8f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01, skipping insertion in model container [2018-11-23 11:49:01,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:49:01,267 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:49:01,485 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:49:01,491 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:49:01,509 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:49:01,527 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:49:01,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01 WrapperNode [2018-11-23 11:49:01,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:49:01,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:49:01,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:49:01,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:49:01,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:49:01,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:49:01,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:49:01,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:49:01,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... [2018-11-23 11:49:01,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:49:01,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:49:01,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:49:01,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:49:01,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-23 11:49:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:49:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:49:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:49:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:49:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:49:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:49:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:49:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:49:02,105 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:49:02,105 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:49:02,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:02 BoogieIcfgContainer [2018-11-23 11:49:02,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:49:02,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:49:02,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:49:02,110 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:49:02,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:49:01" (1/3) ... [2018-11-23 11:49:02,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1c8747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:49:02, skipping insertion in model container [2018-11-23 11:49:02,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:01" (2/3) ... [2018-11-23 11:49:02,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1c8747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:49:02, skipping insertion in model container [2018-11-23 11:49:02,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:02" (3/3) ... [2018-11-23 11:49:02,115 INFO L112 eAbstractionObserver]: Analyzing ICFG odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 11:49:02,126 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:49:02,135 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:49:02,154 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:49:02,190 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:49:02,191 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:49:02,191 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:49:02,191 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:49:02,192 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:49:02,192 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:49:02,192 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:49:02,192 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:49:02,193 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:49:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 11:49:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:49:02,220 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:49:02,221 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:49:02,223 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:49:02,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:49:02,233 INFO L82 PathProgramCache]: Analyzing trace with hash -14991171, now seen corresponding path program 1 times [2018-11-23 11:49:02,238 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:49:02,239 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:49:02,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:49:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:02,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:49:02,530 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 11:49:02,534 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-23 11:49:02,535 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {21#true} {21#true} #32#return; {21#true} is VALID [2018-11-23 11:49:02,536 INFO L256 TraceCheckUtils]: 3: Hoare triple {21#true} call #t~ret1 := main(); {21#true} is VALID [2018-11-23 11:49:02,555 INFO L273 TraceCheckUtils]: 4: Hoare triple {21#true} ~x~0 := 1bv32; {38#(= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:02,559 INFO L273 TraceCheckUtils]: 5: Hoare triple {38#(= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))} assume !(0bv32 != #t~nondet0);havoc #t~nondet0; {38#(= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:02,561 INFO L256 TraceCheckUtils]: 6: Hoare triple {38#(= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))} call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); {45#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:02,563 INFO L273 TraceCheckUtils]: 7: Hoare triple {45#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {49#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:02,563 INFO L273 TraceCheckUtils]: 8: Hoare triple {49#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {22#false} is VALID [2018-11-23 11:49:02,564 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 11:49:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:02,569 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:49:02,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:49:02,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:49:02,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 11:49:02,582 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:49:02,586 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:49:02,663 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:49:02,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:49:02,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:49:02,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:49:02,675 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-23 11:49:03,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:49:03,257 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2018-11-23 11:49:03,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:49:03,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 11:49:03,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:49:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:49:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2018-11-23 11:49:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:49:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2018-11-23 11:49:03,275 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 46 transitions. [2018-11-23 11:49:03,464 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:49:03,474 INFO L225 Difference]: With dead ends: 39 [2018-11-23 11:49:03,475 INFO L226 Difference]: Without dead ends: 12 [2018-11-23 11:49:03,478 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:49:03,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-11-23 11:49:03,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-23 11:49:03,522 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:49:03,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2018-11-23 11:49:03,523 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2018-11-23 11:49:03,524 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2018-11-23 11:49:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:49:03,528 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-11-23 11:49:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-23 11:49:03,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:49:03,529 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:49:03,529 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2018-11-23 11:49:03,529 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2018-11-23 11:49:03,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:49:03,532 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-11-23 11:49:03,532 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-23 11:49:03,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:49:03,532 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:49:03,533 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:49:03,533 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:49:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 11:49:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-11-23 11:49:03,536 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-11-23 11:49:03,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:49:03,537 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-23 11:49:03,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:49:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-23 11:49:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 11:49:03,538 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:49:03,538 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:49:03,538 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:49:03,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:49:03,539 INFO L82 PathProgramCache]: Analyzing trace with hash -429188558, now seen corresponding path program 1 times [2018-11-23 11:49:03,539 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:49:03,539 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:49:03,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:49:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:03,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:49:03,689 INFO L256 TraceCheckUtils]: 0: Hoare triple {152#true} call ULTIMATE.init(); {152#true} is VALID [2018-11-23 11:49:03,689 INFO L273 TraceCheckUtils]: 1: Hoare triple {152#true} assume true; {152#true} is VALID [2018-11-23 11:49:03,690 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {152#true} {152#true} #32#return; {152#true} is VALID [2018-11-23 11:49:03,690 INFO L256 TraceCheckUtils]: 3: Hoare triple {152#true} call #t~ret1 := main(); {152#true} is VALID [2018-11-23 11:49:03,709 INFO L273 TraceCheckUtils]: 4: Hoare triple {152#true} ~x~0 := 1bv32; {169#(= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:03,711 INFO L273 TraceCheckUtils]: 5: Hoare triple {169#(= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!(0bv32 != #t~nondet0);havoc #t~nondet0;~x~0 := ~bvadd32(2bv32, ~x~0); {173#(= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:03,713 INFO L273 TraceCheckUtils]: 6: Hoare triple {173#(= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))} assume !(0bv32 != #t~nondet0);havoc #t~nondet0; {173#(= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:03,719 INFO L256 TraceCheckUtils]: 7: Hoare triple {173#(= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))} call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); {180#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:03,722 INFO L273 TraceCheckUtils]: 8: Hoare triple {180#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {184#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:03,730 INFO L273 TraceCheckUtils]: 9: Hoare triple {184#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {153#false} is VALID [2018-11-23 11:49:03,730 INFO L273 TraceCheckUtils]: 10: Hoare triple {153#false} assume !false; {153#false} is VALID [2018-11-23 11:49:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:03,732 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:49:04,370 INFO L273 TraceCheckUtils]: 10: Hoare triple {153#false} assume !false; {153#false} is VALID [2018-11-23 11:49:04,380 INFO L273 TraceCheckUtils]: 9: Hoare triple {194#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume 0bv32 == ~cond; {153#false} is VALID [2018-11-23 11:49:04,387 INFO L273 TraceCheckUtils]: 8: Hoare triple {198#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {194#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-23 11:49:04,389 INFO L256 TraceCheckUtils]: 7: Hoare triple {202#(not (= (_ bv0 32) (bvurem main_~x~0 (_ bv2 32))))} call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); {198#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-23 11:49:04,389 INFO L273 TraceCheckUtils]: 6: Hoare triple {202#(not (= (_ bv0 32) (bvurem main_~x~0 (_ bv2 32))))} assume !(0bv32 != #t~nondet0);havoc #t~nondet0; {202#(not (= (_ bv0 32) (bvurem main_~x~0 (_ bv2 32))))} is VALID [2018-11-23 11:49:04,392 INFO L273 TraceCheckUtils]: 5: Hoare triple {202#(not (= (_ bv0 32) (bvurem main_~x~0 (_ bv2 32))))} assume !!(0bv32 != #t~nondet0);havoc #t~nondet0;~x~0 := ~bvadd32(2bv32, ~x~0); {202#(not (= (_ bv0 32) (bvurem main_~x~0 (_ bv2 32))))} is VALID [2018-11-23 11:49:04,394 INFO L273 TraceCheckUtils]: 4: Hoare triple {152#true} ~x~0 := 1bv32; {202#(not (= (_ bv0 32) (bvurem main_~x~0 (_ bv2 32))))} is VALID [2018-11-23 11:49:04,394 INFO L256 TraceCheckUtils]: 3: Hoare triple {152#true} call #t~ret1 := main(); {152#true} is VALID [2018-11-23 11:49:04,394 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {152#true} {152#true} #32#return; {152#true} is VALID [2018-11-23 11:49:04,395 INFO L273 TraceCheckUtils]: 1: Hoare triple {152#true} assume true; {152#true} is VALID [2018-11-23 11:49:04,395 INFO L256 TraceCheckUtils]: 0: Hoare triple {152#true} call ULTIMATE.init(); {152#true} is VALID [2018-11-23 11:49:04,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 11:49:04,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:49:04,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-23 11:49:04,402 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-11-23 11:49:04,402 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:49:04,403 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2018-11-23 11:49:04,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:49:04,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 11:49:04,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 11:49:04,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:49:04,461 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 9 states. [2018-11-23 11:49:04,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:49:04,707 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2018-11-23 11:49:04,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:49:04,707 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-11-23 11:49:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:49:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-23 11:49:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2018-11-23 11:49:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-23 11:49:04,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2018-11-23 11:49:04,712 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 15 transitions. [2018-11-23 11:49:04,743 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:49:04,744 INFO L225 Difference]: With dead ends: 14 [2018-11-23 11:49:04,744 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:49:04,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:49:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:49:04,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:49:04,746 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:49:04,746 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:49:04,746 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:49:04,747 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:49:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:49:04,747 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:49:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:49:04,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:49:04,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:49:04,748 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:49:04,748 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:49:04,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:49:04,748 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:49:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:49:04,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:49:04,749 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:49:04,749 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:49:04,750 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:49:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:49:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:49:04,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-23 11:49:04,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:49:04,751 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:49:04,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 11:49:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:49:04,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:49:04,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:49:05,124 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 6 [2018-11-23 11:49:05,150 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 11:49:05,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:49:05,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:49:05,151 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:49:05,151 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:49:05,151 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:49:05,151 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 9 16) the Hoare annotation is: true [2018-11-23 11:49:05,152 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 9 16) no Hoare annotation was computed. [2018-11-23 11:49:05,152 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-11-23 11:49:05,152 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 9 16) no Hoare annotation was computed. [2018-11-23 11:49:05,152 INFO L444 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: (not (= (_ bv0 32) (bvurem main_~x~0 (_ bv2 32)))) [2018-11-23 11:49:05,152 INFO L444 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: (not (= (_ bv0 32) (bvurem main_~x~0 (_ bv2 32)))) [2018-11-23 11:49:05,153 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 11:49:05,153 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 11:49:05,153 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:49:05,153 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 11:49:05,153 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 11:49:05,153 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:49:05,156 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:49:05,160 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:49:05,160 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:49:05,160 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:49:05,172 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:49:05,173 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:49:05,173 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:49:05,173 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 11:49:05,173 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:49:05,173 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:49:05,174 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 11:49:05,174 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 11:49:05,174 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:49:05,174 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:49:05,174 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:49:05,174 INFO L163 areAnnotationChecker]: CFG has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:49:05,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:49:05 BoogieIcfgContainer [2018-11-23 11:49:05,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:49:05,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:49:05,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:49:05,185 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:49:05,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:02" (3/4) ... [2018-11-23 11:49:05,189 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:49:05,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:49:05,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:49:05,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:49:05,202 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 11:49:05,202 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:49:05,202 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:49:05,243 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-invariants/odd_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c-witness.graphml [2018-11-23 11:49:05,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:49:05,245 INFO L168 Benchmark]: Toolchain (without parser) took 4029.71 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -635.9 MB). Peak memory consumption was 95.0 MB. Max. memory is 7.1 GB. [2018-11-23 11:49:05,246 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:49:05,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 11:49:05,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:49:05,249 INFO L168 Benchmark]: Boogie Preprocessor took 29.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:49:05,249 INFO L168 Benchmark]: RCFGBuilder took 521.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -784.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:49:05,251 INFO L168 Benchmark]: TraceAbstraction took 3077.68 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 125.2 MB). Peak memory consumption was 125.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:49:05,252 INFO L168 Benchmark]: Witness Printer took 58.96 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2018-11-23 11:49:05,257 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 310.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 26.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 521.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -784.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3077.68 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 125.2 MB). Peak memory consumption was 125.2 MB. Max. memory is 7.1 GB. * Witness Printer took 58.96 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 11]: Loop Invariant Derived loop invariant: !(0bv32 == ~bvurem32(x, 2bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 8 SDslu, 74 SDs, 0 SdLazy, 31 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 17 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 835 SizeOfPredicates, 4 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...