java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/count_up_down-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 12:57:26,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 12:57:26,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 12:57:26,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 12:57:26,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 12:57:26,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 12:57:26,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 12:57:26,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 12:57:26,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 12:57:26,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 12:57:26,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 12:57:26,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 12:57:26,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 12:57:26,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 12:57:26,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 12:57:26,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 12:57:26,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 12:57:26,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 12:57:26,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 12:57:26,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 12:57:26,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 12:57:26,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 12:57:26,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 12:57:26,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 12:57:26,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 12:57:26,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 12:57:26,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 12:57:26,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 12:57:26,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 12:57:26,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 12:57:26,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 12:57:26,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 12:57:26,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 12:57:26,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 12:57:26,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 12:57:26,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 12:57:26,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 12:57:26,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 12:57:26,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 12:57:26,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 12:57:26,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 12:57:26,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 12:57:26,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 12:57:26,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 12:57:26,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 12:57:26,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 12:57:26,846 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 12:57:26,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 12:57:26,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 12:57:26,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 12:57:26,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 12:57:26,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 12:57:26,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 12:57:26,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 12:57:26,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 12:57:26,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 12:57:26,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 12:57:26,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 12:57:26,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 12:57:26,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 12:57:26,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 12:57:26,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 12:57:26,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 12:57:26,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 12:57:26,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 12:57:26,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 12:57:26,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 12:57:26,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 12:57:26,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 12:57:26,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 12:57:26,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 12:57:26,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 12:57:26,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 12:57:26,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 12:57:26,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 12:57:26,919 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 12:57:26,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-2.c [2019-09-20 12:57:27,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd82cabca/27ac4ec772b6423499827ea00f5b34af/FLAGeda17b99f [2019-09-20 12:57:27,465 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 12:57:27,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-2.c [2019-09-20 12:57:27,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd82cabca/27ac4ec772b6423499827ea00f5b34af/FLAGeda17b99f [2019-09-20 12:57:27,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd82cabca/27ac4ec772b6423499827ea00f5b34af [2019-09-20 12:57:27,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 12:57:27,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 12:57:27,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:27,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 12:57:27,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 12:57:27,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:27" (1/1) ... [2019-09-20 12:57:27,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4907dd24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:27, skipping insertion in model container [2019-09-20 12:57:27,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:27" (1/1) ... [2019-09-20 12:57:27,854 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 12:57:27,867 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 12:57:28,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:28,016 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 12:57:28,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:28,044 INFO L192 MainTranslator]: Completed translation [2019-09-20 12:57:28,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28 WrapperNode [2019-09-20 12:57:28,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:28,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 12:57:28,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 12:57:28,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 12:57:28,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (1/1) ... [2019-09-20 12:57:28,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (1/1) ... [2019-09-20 12:57:28,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (1/1) ... [2019-09-20 12:57:28,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (1/1) ... [2019-09-20 12:57:28,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (1/1) ... [2019-09-20 12:57:28,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (1/1) ... [2019-09-20 12:57:28,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (1/1) ... [2019-09-20 12:57:28,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 12:57:28,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 12:57:28,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 12:57:28,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 12:57:28,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (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 [2019-09-20 12:57:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 12:57:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 12:57:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 12:57:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 12:57:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 12:57:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 12:57:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 12:57:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 12:57:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 12:57:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 12:57:28,425 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 12:57:28,425 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 12:57:28,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:28 BoogieIcfgContainer [2019-09-20 12:57:28,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 12:57:28,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 12:57:28,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 12:57:28,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 12:57:28,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 12:57:27" (1/3) ... [2019-09-20 12:57:28,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47eb1846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:28, skipping insertion in model container [2019-09-20 12:57:28,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:28" (2/3) ... [2019-09-20 12:57:28,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47eb1846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:28, skipping insertion in model container [2019-09-20 12:57:28,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:28" (3/3) ... [2019-09-20 12:57:28,437 INFO L109 eAbstractionObserver]: Analyzing ICFG count_up_down-2.c [2019-09-20 12:57:28,451 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 12:57:28,458 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 12:57:28,474 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 12:57:28,504 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 12:57:28,505 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 12:57:28,505 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 12:57:28,506 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 12:57:28,506 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 12:57:28,506 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 12:57:28,506 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 12:57:28,506 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 12:57:28,506 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 12:57:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-20 12:57:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-20 12:57:28,525 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:28,526 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 12:57:28,528 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:28,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:28,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-09-20 12:57:28,535 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:28,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:28,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:28,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:28,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 12:57:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 12:57:28,663 INFO L474 BasicCegarLoop]: Counterexample might be feasible [2019-09-20 12:57:28,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 12:57:28 BoogieIcfgContainer [2019-09-20 12:57:28,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 12:57:28,686 INFO L168 Benchmark]: Toolchain (without parser) took 850.93 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.1 MB in the beginning and 153.1 MB in the end (delta: -66.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 12:57:28,687 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 12:57:28,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.03 ms. Allocated memory is still 140.5 MB. Free memory was 86.8 MB in the beginning and 77.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:28,689 INFO L168 Benchmark]: Boogie Preprocessor took 117.80 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 77.6 MB in the beginning and 178.3 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:28,690 INFO L168 Benchmark]: RCFGBuilder took 262.89 ms. Allocated memory is still 200.3 MB. Free memory was 178.3 MB in the beginning and 166.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:28,691 INFO L168 Benchmark]: TraceAbstraction took 255.24 ms. Allocated memory is still 200.3 MB. Free memory was 166.2 MB in the beginning and 153.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:28,695 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 210.03 ms. Allocated memory is still 140.5 MB. Free memory was 86.8 MB in the beginning and 77.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.80 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 77.6 MB in the beginning and 178.3 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 262.89 ms. Allocated memory is still 200.3 MB. Free memory was 178.3 MB in the beginning and 166.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 255.24 ms. Allocated memory is still 200.3 MB. Free memory was 166.2 MB in the beginning and 153.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __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...