java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_false-unreach-call3_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:28:51,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:28:51,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:28:51,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:28:51,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:28:51,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:28:51,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:28:51,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:28:51,683 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:28:51,684 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:28:51,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:28:51,685 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:28:51,686 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:28:51,689 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:28:51,696 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:28:51,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:28:51,698 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:28:51,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:28:51,702 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:28:51,704 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:28:51,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:28:51,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:28:51,709 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:28:51,719 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 11:28:51,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:28:51,738 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:28:51,739 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:28:51,739 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:28:51,740 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:28:51,740 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:28:51,741 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:28:51,741 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:28:51,741 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:28:51,741 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:28:51,741 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:28:51,742 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:28:51,742 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:28:51,742 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:28:51,742 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:28:51,742 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:28:51,744 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:28:51,744 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:28:51,745 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:28:51,745 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:28:51,745 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:28:51,745 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:28:51,745 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:28:51,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:28:51,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:28:51,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:28:51,747 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:28:51,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:28:51,747 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:28:51,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:28:51,747 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:28:51,747 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:28:51,748 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:28:51,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:28:51,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:28:51,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:28:51,836 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:28:51,837 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:28:51,838 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-23 11:28:51,919 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fede2607d/becba731667f4e0d8053f5c94dc9bca4/FLAG4dd6576ef [2018-11-23 11:28:52,393 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:28:52,394 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-23 11:28:52,401 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fede2607d/becba731667f4e0d8053f5c94dc9bca4/FLAG4dd6576ef [2018-11-23 11:28:52,739 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fede2607d/becba731667f4e0d8053f5c94dc9bca4 [2018-11-23 11:28:52,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:28:52,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:28:52,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:28:52,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:28:52,758 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:28:52,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:52" (1/1) ... [2018-11-23 11:28:52,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54afdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:52, skipping insertion in model container [2018-11-23 11:28:52,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:52" (1/1) ... [2018-11-23 11:28:52,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:28:52,798 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:28:53,045 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:28:53,053 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:28:53,074 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:28:53,094 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:28:53,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53 WrapperNode [2018-11-23 11:28:53,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:28:53,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:28:53,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:28:53,096 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:28:53,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:28:53,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:28:53,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:28:53,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:28:53,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (1/1) ... [2018-11-23 11:28:53,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:28:53,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:28:53,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:28:53,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:28:53,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (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 11:28:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:28:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:28:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:28:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:28:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:28:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:28:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:28:53,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:28:53,681 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:28:53,682 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:28:53,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:53 BoogieIcfgContainer [2018-11-23 11:28:53,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:28:53,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:28:53,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:28:53,687 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:28:53,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:28:52" (1/3) ... [2018-11-23 11:28:53,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1feaa9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:28:53, skipping insertion in model container [2018-11-23 11:28:53,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:53" (2/3) ... [2018-11-23 11:28:53,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1feaa9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:28:53, skipping insertion in model container [2018-11-23 11:28:53,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:53" (3/3) ... [2018-11-23 11:28:53,691 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2018-11-23 11:28:53,702 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:28:53,711 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:28:53,732 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:28:53,764 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:28:53,764 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:28:53,765 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:28:53,765 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:28:53,765 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:28:53,766 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:28:53,766 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:28:53,766 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:28:53,766 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:28:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 11:28:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:28:53,794 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:28:53,797 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:28:53,799 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:28:53,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:28:53,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2018-11-23 11:28:53,809 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:28:53,809 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 11:28:53,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:28:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:28:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 11:28:53,907 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #31#return; [?] CALL call #t~ret0 := main(); [?] ~x~0 := 0bv32;havoc ~N~0; VAL [main_~x~0=(_ bv0 32)] [?] assume !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)); VAL [main_~N~0=(_ bv0 16), main_~x~0=(_ bv0 32)] [?] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [|__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] assume 0bv32 == ~cond; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] assume !false; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] assume !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)); VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3-L5] assume 0bv32 == ~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] assume !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)); VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3-L5] assume 0bv32 == ~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] COND TRUE !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)) VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] COND TRUE !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)) VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] COND TRUE !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)) VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] COND TRUE !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)) VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [L9] unsigned int x = 0; [L10] unsigned short N; VAL [x=0] [L11] COND FALSE !(x < N) VAL [N=0, x=0] [L14] CALL __VERIFIER_assert(x % 2) VAL [\old(cond)=0] [L3] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 11:28:53,940 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:28:53,940 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-23 11:28:53,940 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-23 11:28:53,941 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-23 11:28:53,941 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2018-11-23 11:28:53,941 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:28:53,941 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-23 11:28:53,941 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-23 11:28:53,941 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2018-11-23 11:28:53,942 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2018-11-23 11:28:53,942 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2018-11-23 11:28:53,942 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-23 11:28:53,942 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-23 11:28:53,942 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:28:53,943 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2018-11-23 11:28:53,943 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2018-11-23 11:28:53,943 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:28:53,943 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:28:53,943 WARN L170 areAnnotationChecker]: L3-2 has no Hoare annotation [2018-11-23 11:28:53,943 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:28:53,944 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:28:53,944 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:28:53,944 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. [2018-11-23 11:28:53,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:28:53 BoogieIcfgContainer [2018-11-23 11:28:53,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:28:53,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:28:53,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:28:53,948 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:28:53,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:53" (3/4) ... [2018-11-23 11:28:53,954 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #31#return; [?] CALL call #t~ret0 := main(); [?] ~x~0 := 0bv32;havoc ~N~0; VAL [main_~x~0=(_ bv0 32)] [?] assume !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)); VAL [main_~N~0=(_ bv0 16), main_~x~0=(_ bv0 32)] [?] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [|__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] assume 0bv32 == ~cond; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] assume !false; VAL [__VERIFIER_assert_~cond=(_ bv0 32), |__VERIFIER_assert_#in~cond|=(_ bv0 32)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] assume !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)); VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3-L5] assume 0bv32 == ~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] assume !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)); VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3-L5] assume 0bv32 == ~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] COND TRUE !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)) VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] COND TRUE !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)) VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] COND TRUE !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)) VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0bv32; [L10] havoc ~N~0; VAL [~x~0=0bv32] [L11-L13] COND TRUE !~bvult32(~x~0, ~zero_extendFrom16To32(~N~0)) VAL [~N~0=0bv16, ~x~0=0bv32] [L14] CALL call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); VAL [#in~cond=0bv32] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0bv32, ~cond=0bv32] [L3] COND TRUE 0bv32 == ~cond VAL [#in~cond=0bv32, ~cond=0bv32] [L4] assert false; VAL [#in~cond=0bv32, ~cond=0bv32] [L9] unsigned int x = 0; [L10] unsigned short N; VAL [x=0] [L11] COND FALSE !(x < N) VAL [N=0, x=0] [L14] CALL __VERIFIER_assert(x % 2) VAL [\old(cond)=0] [L3] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 11:28:54,003 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-acceleration/simple_false-unreach-call3_true-termination.i-witness.graphml [2018-11-23 11:28:54,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:28:54,005 INFO L168 Benchmark]: Toolchain (without parser) took 1254.05 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 697.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -713.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:28:54,007 INFO L168 Benchmark]: CDTParser took 0.23 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 11:28:54,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.46 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. [2018-11-23 11:28:54,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.66 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 11:28:54,010 INFO L168 Benchmark]: Boogie Preprocessor took 31.87 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 11:28:54,010 INFO L168 Benchmark]: RCFGBuilder took 526.73 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 697.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -753.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2018-11-23 11:28:54,011 INFO L168 Benchmark]: TraceAbstraction took 264.04 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:28:54,012 INFO L168 Benchmark]: Witness Printer took 56.02 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:28:54,017 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 0.23 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. * CACSL2BoogieTranslator took 341.46 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 Procedure Inliner took 27.66 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 31.87 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 526.73 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 697.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -753.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264.04 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Witness Printer took 56.02 ms. Allocated memory is still 2.2 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: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] unsigned int x = 0; [L10] unsigned short N; VAL [x=0] [L11] COND FALSE !(x < N) VAL [N=0, x=0] [L14] CALL __VERIFIER_assert(x % 2) VAL [\old(cond)=0] [L3] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...