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/ldv-regression/test_cut_trace_true-termination.c_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:46,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:46,522 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:46,536 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:46,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:46,537 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:46,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:46,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:46,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:46,547 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:46,548 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:46,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:46,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:46,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:46,553 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:46,554 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:46,557 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:46,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:46,569 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:46,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:46,572 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:46,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:46,580 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:06:46,593 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 11:06:46,615 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:46,615 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:46,616 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:46,616 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:46,617 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:46,617 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:46,617 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:46,617 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:46,618 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:46,618 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:46,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:46,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:46,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:46,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:46,619 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:46,619 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:46,619 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:46,621 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:46,621 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:46,621 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:46,621 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:46,621 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:46,622 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:46,622 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:46,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:46,622 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:46,622 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:46,623 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:46,623 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:46,623 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:46,623 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:46,623 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:46,624 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:46,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:46,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:46,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:46,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:46,701 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:46,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_cut_trace_true-termination.c_true-unreach-call.i [2018-11-23 11:06:46,766 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e8afb28/3735422648394e7ca55fc06edf7a9b26/FLAGfcc110c53 [2018-11-23 11:06:47,279 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:47,279 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_cut_trace_true-termination.c_true-unreach-call.i [2018-11-23 11:06:47,287 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e8afb28/3735422648394e7ca55fc06edf7a9b26/FLAGfcc110c53 [2018-11-23 11:06:47,607 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e8afb28/3735422648394e7ca55fc06edf7a9b26 [2018-11-23 11:06:47,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:47,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:47,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:47,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:47,626 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:47,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437ab0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47, skipping insertion in model container [2018-11-23 11:06:47,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:47,666 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:47,910 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:47,917 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:47,936 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:47,954 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:47,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47 WrapperNode [2018-11-23 11:06:47,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:47,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:47,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:47,956 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:47,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:47,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:47,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:47,982 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:47,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:47,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:48,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:48,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:48,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (1/1) ... [2018-11-23 11:06:48,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:48,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:48,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:48,008 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:48,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (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 11:06:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-23 11:06:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-23 11:06:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:48,497 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:48,497 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:48,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:48 BoogieIcfgContainer [2018-11-23 11:06:48,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:48,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:48,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:48,502 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:48,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:47" (1/3) ... [2018-11-23 11:06:48,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d976de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:48, skipping insertion in model container [2018-11-23 11:06:48,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:47" (2/3) ... [2018-11-23 11:06:48,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d976de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:48, skipping insertion in model container [2018-11-23 11:06:48,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:48" (3/3) ... [2018-11-23 11:06:48,506 INFO L112 eAbstractionObserver]: Analyzing ICFG test_cut_trace_true-termination.c_true-unreach-call.i [2018-11-23 11:06:48,519 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:48,528 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:48,554 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:48,594 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:48,595 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:48,595 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:48,595 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:48,596 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:48,596 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:48,596 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:48,596 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:48,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 11:06:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 11:06:48,624 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:48,625 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:48,628 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:48,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:48,635 INFO L82 PathProgramCache]: Analyzing trace with hash -417355086, now seen corresponding path program 1 times [2018-11-23 11:06:48,639 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:48,640 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 11:06:48,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:48,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:48,809 INFO L256 TraceCheckUtils]: 0: Hoare triple {22#true} call ULTIMATE.init(); {22#true} is VALID [2018-11-23 11:06:48,813 INFO L273 TraceCheckUtils]: 1: Hoare triple {22#true} assume true; {22#true} is VALID [2018-11-23 11:06:48,814 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {22#true} {22#true} #26#return; {22#true} is VALID [2018-11-23 11:06:48,814 INFO L256 TraceCheckUtils]: 3: Hoare triple {22#true} call #t~ret0 := main(); {22#true} is VALID [2018-11-23 11:06:48,826 INFO L273 TraceCheckUtils]: 4: Hoare triple {22#true} havoc ~z~0;havoc ~a~0;~z~0 := 0bv32; {39#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:06:48,827 INFO L273 TraceCheckUtils]: 5: Hoare triple {39#(= main_~z~0 (_ bv0 32))} assume !(0bv32 == ~z~0); {23#false} is VALID [2018-11-23 11:06:48,828 INFO L256 TraceCheckUtils]: 6: Hoare triple {23#false} call __blast_assert(); {23#false} is VALID [2018-11-23 11:06:48,828 INFO L273 TraceCheckUtils]: 7: Hoare triple {23#false} assume !false; {23#false} is VALID [2018-11-23 11:06:48,831 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 11:06:48,831 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:48,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:48,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:06:48,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-23 11:06:48,846 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:48,850 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 11:06:48,894 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:48,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:06:48,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:06:48,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:06:48,908 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2018-11-23 11:06:49,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:49,099 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-11-23 11:06:49,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:06:49,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-23 11:06:49,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:06:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2018-11-23 11:06:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:06:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2018-11-23 11:06:49,115 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 32 transitions. [2018-11-23 11:06:49,399 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:49,408 INFO L225 Difference]: With dead ends: 29 [2018-11-23 11:06:49,408 INFO L226 Difference]: Without dead ends: 11 [2018-11-23 11:06:49,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:06:49,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-11-23 11:06:49,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-11-23 11:06:49,473 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:49,474 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states. Second operand 11 states. [2018-11-23 11:06:49,474 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2018-11-23 11:06:49,475 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2018-11-23 11:06:49,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:49,478 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2018-11-23 11:06:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-23 11:06:49,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:49,479 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:49,479 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2018-11-23 11:06:49,479 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2018-11-23 11:06:49,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:49,482 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2018-11-23 11:06:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-23 11:06:49,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:49,483 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:49,483 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:49,483 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:49,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-23 11:06:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2018-11-23 11:06:49,487 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 8 [2018-11-23 11:06:49,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:49,488 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2018-11-23 11:06:49,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:06:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-23 11:06:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:06:49,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:49,489 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:49,489 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:49,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:49,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1648524013, now seen corresponding path program 1 times [2018-11-23 11:06:49,490 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:49,490 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 11:06:49,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:49,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:49,663 INFO L256 TraceCheckUtils]: 0: Hoare triple {125#true} call ULTIMATE.init(); {125#true} is VALID [2018-11-23 11:06:49,664 INFO L273 TraceCheckUtils]: 1: Hoare triple {125#true} assume true; {125#true} is VALID [2018-11-23 11:06:49,664 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {125#true} {125#true} #26#return; {125#true} is VALID [2018-11-23 11:06:49,664 INFO L256 TraceCheckUtils]: 3: Hoare triple {125#true} call #t~ret0 := main(); {125#true} is VALID [2018-11-23 11:06:49,677 INFO L273 TraceCheckUtils]: 4: Hoare triple {125#true} havoc ~z~0;havoc ~a~0;~z~0 := 0bv32; {142#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:06:49,691 INFO L273 TraceCheckUtils]: 5: Hoare triple {142#(= main_~z~0 (_ bv0 32))} assume 0bv32 == ~z~0; {142#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:06:49,700 INFO L273 TraceCheckUtils]: 6: Hoare triple {142#(= main_~z~0 (_ bv0 32))} ~a~0 := ~z~0; {149#(= main_~a~0 (_ bv0 32))} is VALID [2018-11-23 11:06:49,706 INFO L273 TraceCheckUtils]: 7: Hoare triple {149#(= main_~a~0 (_ bv0 32))} assume !(0bv32 == ~a~0); {126#false} is VALID [2018-11-23 11:06:49,706 INFO L256 TraceCheckUtils]: 8: Hoare triple {126#false} call __blast_assert(); {126#false} is VALID [2018-11-23 11:06:49,707 INFO L273 TraceCheckUtils]: 9: Hoare triple {126#false} assume !false; {126#false} is VALID [2018-11-23 11:06:49,708 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 11:06:49,708 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:49,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:49,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:06:49,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-23 11:06:49,714 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:49,714 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:06:49,757 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 11:06:49,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:06:49,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:06:49,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:06:49,759 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand 4 states. [2018-11-23 11:06:49,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:49,825 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2018-11-23 11:06:49,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:06:49,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-23 11:06:49,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:06:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2018-11-23 11:06:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:06:49,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2018-11-23 11:06:49,830 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 10 transitions. [2018-11-23 11:06:49,943 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 11:06:49,943 INFO L225 Difference]: With dead ends: 11 [2018-11-23 11:06:49,944 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:49,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:06:49,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:49,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:49,945 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:49,946 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:49,946 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:49,946 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:49,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:49,947 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:49,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:49,947 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:49,947 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:49,948 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:49,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:49,948 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:49,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:49,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:49,949 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:49,949 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:49,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 11:06:49,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:49,950 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:49,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:06:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:49,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:49,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:50,130 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 11:06:50,130 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:50,131 INFO L448 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-23 11:06:50,131 INFO L448 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2018-11-23 11:06:50,131 INFO L448 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2018-11-23 11:06:50,131 INFO L451 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2018-11-23 11:06:50,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:50,131 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:50,132 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:50,132 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:50,132 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 20) the Hoare annotation is: true [2018-11-23 11:06:50,132 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 20) no Hoare annotation was computed. [2018-11-23 11:06:50,132 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-23 11:06:50,132 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-23 11:06:50,132 INFO L444 ceAbstractionStarter]: At program point L18-2(line 18) the Hoare annotation is: false [2018-11-23 11:06:50,133 INFO L448 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-11-23 11:06:50,133 INFO L444 ceAbstractionStarter]: At program point L16-2(line 16) the Hoare annotation is: false [2018-11-23 11:06:50,133 INFO L448 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-11-23 11:06:50,133 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 20) no Hoare annotation was computed. [2018-11-23 11:06:50,135 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:50,135 WARN L170 areAnnotationChecker]: __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 11:06:50,135 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 11:06:50,135 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 11:06:50,136 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:50,136 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 11:06:50,136 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:50,136 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 11:06:50,136 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 11:06:50,136 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-23 11:06:50,137 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-23 11:06:50,137 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:50,137 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2018-11-23 11:06:50,137 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2018-11-23 11:06:50,137 WARN L170 areAnnotationChecker]: L18-3 has no Hoare annotation [2018-11-23 11:06:50,137 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-23 11:06:50,137 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-23 11:06:50,138 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:50,138 WARN L170 areAnnotationChecker]: L18-3 has no Hoare annotation [2018-11-23 11:06:50,138 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:50,138 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:06:50,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:50 BoogieIcfgContainer [2018-11-23 11:06:50,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:50,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:50,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:50,142 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:50,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:48" (3/4) ... [2018-11-23 11:06:50,145 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:50,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:50,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-23 11:06:50,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:50,156 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 11:06:50,156 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:06:50,157 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:06:50,197 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test_cut_trace_true-termination.c_true-unreach-call.i-witness.graphml [2018-11-23 11:06:50,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:50,199 INFO L168 Benchmark]: Toolchain (without parser) took 2578.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -666.7 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:50,201 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 11:06:50,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.82 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 11:06:50,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.92 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 11:06:50,203 INFO L168 Benchmark]: Boogie Preprocessor took 25.79 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 11:06:50,204 INFO L168 Benchmark]: RCFGBuilder took 490.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -766.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:50,205 INFO L168 Benchmark]: TraceAbstraction took 1641.94 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: 88.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:50,205 INFO L168 Benchmark]: Witness Printer took 56.57 ms. Allocated memory is still 2.3 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:50,213 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 332.82 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 25.92 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 25.79 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 490.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -766.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1641.94 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: 88.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * Witness Printer took 56.57 ms. Allocated memory is still 2.3 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 7 SDslu, 16 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 9 PreInvPairs, 9 NumberOfFragments, 7 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 1 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...