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-Const.epf -i ../../../trunk/examples/svcomp/loop-new/gauss_sum_true-unreach-call.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 18:34:55,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 18:34:55,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 18:34:55,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 18:34:55,734 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 18:34:55,735 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 18:34:55,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 18:34:55,738 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 18:34:55,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 18:34:55,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 18:34:55,741 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 18:34:55,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 18:34:55,742 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 18:34:55,743 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 18:34:55,744 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 18:34:55,745 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 18:34:55,746 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 18:34:55,748 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 18:34:55,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 18:34:55,751 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 18:34:55,752 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 18:34:55,754 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 18:34:55,756 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 18:34:55,756 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 18:34:55,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 18:34:55,757 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 18:34:55,758 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 18:34:55,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 18:34:55,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 18:34:55,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 18:34:55,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 18:34:55,765 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 18:34:55,765 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 18:34:55,765 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 18:34:55,766 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 18:34:55,768 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 18:34:55,769 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf [2018-11-14 18:34:55,799 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 18:34:55,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 18:34:55,803 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 18:34:55,803 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 18:34:55,803 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 18:34:55,804 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 18:34:55,804 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 18:34:55,804 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 18:34:55,804 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 18:34:55,804 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 18:34:55,805 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 18:34:55,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 18:34:55,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 18:34:55,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 18:34:55,806 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 18:34:55,806 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 18:34:55,807 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 18:34:55,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 18:34:55,807 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 18:34:55,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 18:34:55,808 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 18:34:55,809 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 18:34:55,809 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 18:34:55,809 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 18:34:55,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 18:34:55,810 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 18:34:55,810 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 18:34:55,810 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 18:34:55,810 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 18:34:55,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 18:34:55,811 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 18:34:55,812 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 18:34:55,812 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 18:34:55,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 18:34:55,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 18:34:55,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 18:34:55,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 18:34:55,898 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 18:34:55,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum_true-unreach-call.i.p+lhb-reducer.c [2018-11-14 18:34:55,952 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3f34ff/eb350f6c44764befa41332013fc6d1fa/FLAG3f0321778 [2018-11-14 18:34:56,405 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 18:34:56,405 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum_true-unreach-call.i.p+lhb-reducer.c [2018-11-14 18:34:56,420 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3f34ff/eb350f6c44764befa41332013fc6d1fa/FLAG3f0321778 [2018-11-14 18:34:56,441 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e3f34ff/eb350f6c44764befa41332013fc6d1fa [2018-11-14 18:34:56,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 18:34:56,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 18:34:56,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 18:34:56,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 18:34:56,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 18:34:56,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38824cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56, skipping insertion in model container [2018-11-14 18:34:56,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 18:34:56,509 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 18:34:56,708 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:34:56,718 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 18:34:56,758 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:34:56,777 INFO L195 MainTranslator]: Completed translation [2018-11-14 18:34:56,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56 WrapperNode [2018-11-14 18:34:56,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 18:34:56,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 18:34:56,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 18:34:56,779 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 18:34:56,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (1/1) ... [2018-11-14 18:34:56,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 18:34:56,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 18:34:56,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 18:34:56,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 18:34:56,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (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 18:34:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 18:34:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 18:34:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 18:34:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 18:34:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-14 18:34:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 18:34:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 18:34:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 18:34:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 18:34:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 18:34:57,643 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 18:34:57,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:34:57 BoogieIcfgContainer [2018-11-14 18:34:57,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 18:34:57,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 18:34:57,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 18:34:57,648 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 18:34:57,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 06:34:56" (1/3) ... [2018-11-14 18:34:57,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7763d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:34:57, skipping insertion in model container [2018-11-14 18:34:57,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:34:56" (2/3) ... [2018-11-14 18:34:57,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7763d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:34:57, skipping insertion in model container [2018-11-14 18:34:57,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:34:57" (3/3) ... [2018-11-14 18:34:57,652 INFO L112 eAbstractionObserver]: Analyzing ICFG gauss_sum_true-unreach-call.i.p+lhb-reducer.c [2018-11-14 18:34:57,662 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 18:34:57,671 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 18:34:57,688 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 18:34:57,722 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 18:34:57,723 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 18:34:57,723 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 18:34:57,723 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 18:34:57,723 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 18:34:57,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 18:34:57,723 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 18:34:57,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 18:34:57,724 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 18:34:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-14 18:34:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-14 18:34:57,748 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:34:57,749 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:34:57,751 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:34:57,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:34:57,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1720236422, now seen corresponding path program 1 times [2018-11-14 18:34:57,763 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:34:57,763 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 18:34:57,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:34:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:34:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:34:57,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:34:58,814 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:34:58,815 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (bvneg (_ BitVec 32)) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.term(WrapperScript.java:192) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:263) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:259) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:254) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:180) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.neg(SmtUtils.java:560) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.linearterms.AffineRelation.product(AffineRelation.java:350) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.linearterms.AffineRelation.onLeftHandSideOnly(AffineRelation.java:300) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.pqe.EqualityInformation.getEqinfo(EqualityInformation.java:145) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.pqe.EqualityInformation.getEqinfo(EqualityInformation.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.pqe.XnfDer.derSimple(XnfDer.java:118) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.pqe.XnfDer.tryToEliminate(XnfDer.java:97) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.linearterms.QuantifierPusher.applyEliminationTechniques(QuantifierPusher.java:302) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:215) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPush(QuantifierPusher.java:134) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:107) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermDomainOperationProvider.constructQuantifiedFormula(TermDomainOperationProvider.java:115) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:103) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-14 18:34:58,820 INFO L168 Benchmark]: Toolchain (without parser) took 2366.44 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -726.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2018-11-14 18:34:58,825 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 18:34:58,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-14 18:34:58,826 INFO L168 Benchmark]: Boogie Preprocessor took 56.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 18:34:58,827 INFO L168 Benchmark]: RCFGBuilder took 807.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-14 18:34:58,829 INFO L168 Benchmark]: TraceAbstraction took 1174.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2018-11-14 18:34:58,836 INFO L336 ainManager$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 321.84 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 Preprocessor took 56.78 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 807.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1174.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (bvneg (_ BitVec 32)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (bvneg (_ BitVec 32)): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...