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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-regression/test28_false-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 16:24:21,796 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 16:24:21,798 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 16:24:21,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 16:24:21,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 16:24:21,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 16:24:21,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 16:24:21,815 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 16:24:21,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 16:24:21,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 16:24:21,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 16:24:21,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 16:24:21,820 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 16:24:21,821 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 16:24:21,822 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 16:24:21,823 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 16:24:21,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 16:24:21,826 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 16:24:21,828 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 16:24:21,830 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 16:24:21,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 16:24:21,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 16:24:21,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 16:24:21,845 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 [2018-11-14 16:24:21,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 16:24:21,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 16:24:21,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 16:24:21,866 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 16:24:21,867 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 16:24:21,867 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 16:24:21,868 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 16:24:21,868 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 16:24:21,868 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 16:24:21,868 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 16:24:21,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 16:24:21,869 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 16:24:21,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 16:24:21,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 16:24:21,870 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 16:24:21,870 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 16:24:21,871 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 16:24:21,871 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 16:24:21,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 16:24:21,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 16:24:21,871 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 16:24:21,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 16:24:21,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 16:24:21,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 16:24:21,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 16:24:21,874 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 16:24:21,874 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 16:24:21,874 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 16:24:21,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 16:24:21,874 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 16:24:21,875 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 16:24:21,875 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 16:24:21,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 16:24:21,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 16:24:21,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 16:24:21,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 16:24:21,965 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 16:24:21,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test28_false-unreach-call_true-termination.c [2018-11-14 16:24:22,038 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98563c088/d9712542091d429889a40bf02af5e636/FLAG3084809fc [2018-11-14 16:24:22,534 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 16:24:22,534 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28_false-unreach-call_true-termination.c [2018-11-14 16:24:22,540 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98563c088/d9712542091d429889a40bf02af5e636/FLAG3084809fc [2018-11-14 16:24:22,555 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98563c088/d9712542091d429889a40bf02af5e636 [2018-11-14 16:24:22,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 16:24:22,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 16:24:22,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 16:24:22,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 16:24:22,573 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 16:24:22,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c650fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22, skipping insertion in model container [2018-11-14 16:24:22,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 16:24:22,610 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 16:24:22,821 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:24:22,835 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 16:24:22,853 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:24:22,872 INFO L195 MainTranslator]: Completed translation [2018-11-14 16:24:22,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22 WrapperNode [2018-11-14 16:24:22,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 16:24:22,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 16:24:22,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 16:24:22,874 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 16:24:22,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (1/1) ... [2018-11-14 16:24:22,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 16:24:22,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 16:24:22,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 16:24:22,918 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 16:24:22,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (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 [2018-11-14 16:24:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 16:24:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 16:24:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 16:24:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 16:24:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 16:24:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 16:24:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 16:24:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 16:24:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 16:24:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 16:24:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 16:24:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 16:24:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 16:24:23,518 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 16:24:23,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:23 BoogieIcfgContainer [2018-11-14 16:24:23,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 16:24:23,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 16:24:23,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 16:24:23,527 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 16:24:23,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:24:22" (1/3) ... [2018-11-14 16:24:23,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d376ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:24:23, skipping insertion in model container [2018-11-14 16:24:23,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:22" (2/3) ... [2018-11-14 16:24:23,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d376ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:24:23, skipping insertion in model container [2018-11-14 16:24:23,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:23" (3/3) ... [2018-11-14 16:24:23,532 INFO L112 eAbstractionObserver]: Analyzing ICFG test28_false-unreach-call_true-termination.c [2018-11-14 16:24:23,541 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 16:24:23,549 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 16:24:23,564 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 16:24:23,598 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 16:24:23,599 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 16:24:23,599 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 16:24:23,599 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 16:24:23,600 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 16:24:23,600 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 16:24:23,600 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 16:24:23,600 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 16:24:23,600 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 16:24:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-14 16:24:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-14 16:24:23,627 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:24:23,628 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:24:23,631 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:24:23,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:24:23,637 INFO L82 PathProgramCache]: Analyzing trace with hash 668850033, now seen corresponding path program 1 times [2018-11-14 16:24:23,641 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:24:23,642 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 [2018-11-14 16:24:23,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:24:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:24:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:24:23,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:24:23,998 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-14 16:24:24,001 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {21#true} is VALID [2018-11-14 16:24:24,002 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-14 16:24:24,002 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #35#return; {21#true} is VALID [2018-11-14 16:24:24,003 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret4 := main(); {21#true} is VALID [2018-11-14 16:24:24,003 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#d1~0.base, ~#d1~0.offset := #Ultimate.alloc(8bv32);call ~#d2~0.base, ~#d2~0.offset := #Ultimate.alloc(8bv32);~n~0 := #t~nondet0;havoc #t~nondet0; {21#true} is VALID [2018-11-14 16:24:24,003 INFO L273 TraceCheckUtils]: 6: Hoare triple {21#true} assume ~n~0 != 0bv32;#t~ite1.base, #t~ite1.offset := ~#d1~0.base, ~#d1~0.offset; {21#true} is VALID [2018-11-14 16:24:24,003 INFO L273 TraceCheckUtils]: 7: Hoare triple {21#true} ~pd~0.base, ~pd~0.offset := #t~ite1.base, #t~ite1.offset;havoc #t~ite1.base, #t~ite1.offset; {21#true} is VALID [2018-11-14 16:24:24,005 INFO L273 TraceCheckUtils]: 8: Hoare triple {21#true} assume !(~pd~0.base == ~#d2~0.base && ~pd~0.offset == ~#d2~0.offset);call write~intINTTYPE4(0bv32, ~pd~0.base, ~bvadd32(4bv32, ~pd~0.offset), 4bv32); {50#(or (not (= |main_~#d2~0.offset| main_~pd~0.offset)) (not (= |main_~#d2~0.base| main_~pd~0.base)))} is VALID [2018-11-14 16:24:24,022 INFO L273 TraceCheckUtils]: 9: Hoare triple {50#(or (not (= |main_~#d2~0.offset| main_~pd~0.offset)) (not (= |main_~#d2~0.base| main_~pd~0.base)))} #t~short3 := ~pd~0.base == ~#d2~0.base && ~pd~0.offset == ~#d2~0.offset; {54#(not |main_#t~short3|)} is VALID [2018-11-14 16:24:24,037 INFO L273 TraceCheckUtils]: 10: Hoare triple {54#(not |main_#t~short3|)} assume #t~short3;call #t~mem2 := read~intINTTYPE4(~#d2~0.base, ~bvadd32(4bv32, ~#d2~0.offset), 4bv32);#t~short3 := #t~mem2 != 0bv32; {22#false} is VALID [2018-11-14 16:24:24,037 INFO L273 TraceCheckUtils]: 11: Hoare triple {22#false} assume #t~short3;havoc #t~short3;havoc #t~mem2; {22#false} is VALID [2018-11-14 16:24:24,038 INFO L273 TraceCheckUtils]: 12: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-14 16:24:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:24:24,041 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:24:24,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:24:24,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-14 16:24:24,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-14 16:24:24,053 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:24:24,057 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-14 16:24:24,241 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:24:24,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-14 16:24:24,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-14 16:24:24,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-14 16:24:24,256 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 4 states. [2018-11-14 16:24:24,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:24:24,658 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2018-11-14 16:24:24,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 16:24:24,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-14 16:24:24,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:24:24,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 16:24:24,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2018-11-14 16:24:24,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 16:24:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2018-11-14 16:24:24,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 35 transitions. [2018-11-14 16:24:24,808 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:24:24,818 INFO L225 Difference]: With dead ends: 29 [2018-11-14 16:24:24,819 INFO L226 Difference]: Without dead ends: 14 [2018-11-14 16:24:24,822 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-14 16:24:24,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-14 16:24:24,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-14 16:24:24,853 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:24:24,854 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:24,854 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:24,855 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:24,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:24:24,858 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-11-14 16:24:24,858 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-14 16:24:24,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:24:24,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:24:24,859 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:24,859 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:24:24,863 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-11-14 16:24:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-14 16:24:24,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:24:24,863 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:24:24,864 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:24:24,864 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:24:24,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-14 16:24:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-14 16:24:24,868 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 13 [2018-11-14 16:24:24,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:24:24,869 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-14 16:24:24,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-14 16:24:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-14 16:24:24,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-14 16:24:24,870 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:24:24,870 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:24:24,870 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:24:24,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:24:24,871 INFO L82 PathProgramCache]: Analyzing trace with hash 667002991, now seen corresponding path program 1 times [2018-11-14 16:24:24,872 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:24:24,872 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 [2018-11-14 16:24:24,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:24:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:24:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:24:24,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:24:25,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-14 16:24:25,243 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-14 16:24:25,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 16:24:25,282 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2018-11-14 16:24:25,608 INFO L256 TraceCheckUtils]: 0: Hoare triple {147#true} call ULTIMATE.init(); {147#true} is VALID [2018-11-14 16:24:25,609 INFO L273 TraceCheckUtils]: 1: Hoare triple {147#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {147#true} is VALID [2018-11-14 16:24:25,609 INFO L273 TraceCheckUtils]: 2: Hoare triple {147#true} assume true; {147#true} is VALID [2018-11-14 16:24:25,610 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {147#true} {147#true} #35#return; {147#true} is VALID [2018-11-14 16:24:25,610 INFO L256 TraceCheckUtils]: 4: Hoare triple {147#true} call #t~ret4 := main(); {147#true} is VALID [2018-11-14 16:24:25,626 INFO L273 TraceCheckUtils]: 5: Hoare triple {147#true} call ~#d1~0.base, ~#d1~0.offset := #Ultimate.alloc(8bv32);call ~#d2~0.base, ~#d2~0.offset := #Ultimate.alloc(8bv32);~n~0 := #t~nondet0;havoc #t~nondet0; {167#(not (= |main_~#d1~0.base| |main_~#d2~0.base|))} is VALID [2018-11-14 16:24:25,636 INFO L273 TraceCheckUtils]: 6: Hoare triple {167#(not (= |main_~#d1~0.base| |main_~#d2~0.base|))} assume ~n~0 != 0bv32;#t~ite1.base, #t~ite1.offset := ~#d1~0.base, ~#d1~0.offset; {171#(not (= |main_#t~ite1.base| |main_~#d2~0.base|))} is VALID [2018-11-14 16:24:25,649 INFO L273 TraceCheckUtils]: 7: Hoare triple {171#(not (= |main_#t~ite1.base| |main_~#d2~0.base|))} ~pd~0.base, ~pd~0.offset := #t~ite1.base, #t~ite1.offset;havoc #t~ite1.base, #t~ite1.offset; {175#(not (= |main_~#d2~0.base| main_~pd~0.base))} is VALID [2018-11-14 16:24:25,663 INFO L273 TraceCheckUtils]: 8: Hoare triple {175#(not (= |main_~#d2~0.base| main_~pd~0.base))} assume ~pd~0.base == ~#d2~0.base && ~pd~0.offset == ~#d2~0.offset;call write~intINTTYPE4(0bv32, ~pd~0.base, ~pd~0.offset, 4bv32); {148#false} is VALID [2018-11-14 16:24:25,663 INFO L273 TraceCheckUtils]: 9: Hoare triple {148#false} #t~short3 := ~pd~0.base == ~#d2~0.base && ~pd~0.offset == ~#d2~0.offset; {148#false} is VALID [2018-11-14 16:24:25,663 INFO L273 TraceCheckUtils]: 10: Hoare triple {148#false} assume #t~short3;call #t~mem2 := read~intINTTYPE4(~#d2~0.base, ~bvadd32(4bv32, ~#d2~0.offset), 4bv32);#t~short3 := #t~mem2 != 0bv32; {148#false} is VALID [2018-11-14 16:24:25,664 INFO L273 TraceCheckUtils]: 11: Hoare triple {148#false} assume #t~short3;havoc #t~short3;havoc #t~mem2; {148#false} is VALID [2018-11-14 16:24:25,664 INFO L273 TraceCheckUtils]: 12: Hoare triple {148#false} assume !false; {148#false} is VALID [2018-11-14 16:24:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:24:25,666 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:24:25,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:24:25,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 16:24:25,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-14 16:24:25,677 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:24:25,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 16:24:25,743 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:24:25,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 16:24:25,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 16:24:25,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-14 16:24:25,744 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 5 states. [2018-11-14 16:24:26,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:24:26,161 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-11-14 16:24:26,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 16:24:26,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-14 16:24:26,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:24:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 16:24:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2018-11-14 16:24:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 16:24:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2018-11-14 16:24:26,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 20 transitions. [2018-11-14 16:24:26,260 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:24:26,262 INFO L225 Difference]: With dead ends: 21 [2018-11-14 16:24:26,262 INFO L226 Difference]: Without dead ends: 14 [2018-11-14 16:24:26,263 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-14 16:24:26,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-14 16:24:26,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-14 16:24:26,269 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:24:26,269 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:26,269 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:26,270 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:26,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:24:26,272 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2018-11-14 16:24:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-14 16:24:26,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:24:26,272 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:24:26,273 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:26,273 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2018-11-14 16:24:26,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:24:26,274 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2018-11-14 16:24:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-14 16:24:26,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:24:26,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:24:26,275 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:24:26,276 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:24:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-14 16:24:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2018-11-14 16:24:26,277 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2018-11-14 16:24:26,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:24:26,278 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2018-11-14 16:24:26,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 16:24:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-14 16:24:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-14 16:24:26,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:24:26,279 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:24:26,279 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:24:26,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:24:26,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1852956943, now seen corresponding path program 1 times [2018-11-14 16:24:26,280 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:24:26,280 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:24:26,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:24:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 16:24:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 16:24:26,388 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-14 16:24:26,431 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-14 16:24:26,432 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 16:24:26,432 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 16:24:26,432 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-14 16:24:26,432 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 16:24:26,432 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 16:24:26,432 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 16:24:26,433 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-14 16:24:26,433 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-14 16:24:26,433 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 16:24:26,433 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 16:24:26,433 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2018-11-14 16:24:26,433 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-14 16:24:26,434 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-14 16:24:26,434 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2018-11-14 16:24:26,434 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-14 16:24:26,434 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-14 16:24:26,434 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2018-11-14 16:24:26,434 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2018-11-14 16:24:26,435 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2018-11-14 16:24:26,435 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2018-11-14 16:24:26,435 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 16:24:26,435 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 16:24:26,435 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 16:24:26,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:24:26 BoogieIcfgContainer [2018-11-14 16:24:26,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 16:24:26,440 INFO L168 Benchmark]: Toolchain (without parser) took 3873.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -653.6 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2018-11-14 16:24:26,442 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-14 16:24:26,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.57 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-11-14 16:24:26,445 INFO L168 Benchmark]: Boogie Preprocessor took 43.58 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. [2018-11-14 16:24:26,453 INFO L168 Benchmark]: RCFGBuilder took 602.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -785.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-14 16:24:26,454 INFO L168 Benchmark]: TraceAbstraction took 2917.72 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: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. [2018-11-14 16:24:26,466 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 0.22 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 304.57 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.58 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 602.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -785.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2917.72 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: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 26]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] FCALL struct dummy d1, d2; [L13] int n = __VERIFIER_nondet_int(); [L14] COND FALSE, EXPR !(n ? &d1 : &d2) VAL [d1={2:0}, d2={1:0}, n=0, n ? &d1 : &d2={1:0}] [L14] struct dummy *pd = n ? &d1 : &d2; [L15] COND TRUE pd == &d2 [L16] FCALL pd->a = 0 VAL [d1={2:0}, d2={1:0}, n=0, pd={1:0}] [L20] pd == &d2 && d2.b != 0 [L20] EXPR, FCALL d2.b [L20] pd == &d2 && d2.b != 0 VAL [d1={2:0}, d2={1:0}, d2.b=1, n=0, pd={1:0}, pd == &d2 && d2.b != 0=1] [L20] COND TRUE pd == &d2 && d2.b != 0 [L26] __VERIFIER_error() VAL [d1={2:0}, d2={1:0}, n=0, pd={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25 SDtfs, 11 SDslu, 46 SDs, 0 SdLazy, 33 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 504 SizeOfPredicates, 5 NumberOfNonLiveVariables, 87 ConjunctsInSsa, 7 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 incorrect! Received shutdown request...