/usr/bin/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 04:00:02,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 04:00:02,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 04:00:02,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 04:00:02,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 04:00:02,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 04:00:02,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 04:00:02,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 04:00:02,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 04:00:02,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 04:00:02,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 04:00:02,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 04:00:02,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 04:00:02,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 04:00:02,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 04:00:02,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 04:00:02,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 04:00:02,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 04:00:02,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 04:00:02,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 04:00:02,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 04:00:02,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 04:00:02,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 04:00:02,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 04:00:02,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 04:00:02,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 04:00:02,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 04:00:02,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 04:00:02,693 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 [2020-07-20 04:00:02,736 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 04:00:02,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 04:00:02,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 04:00:02,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 04:00:02,745 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 04:00:02,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 04:00:02,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 04:00:02,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 04:00:02,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 04:00:02,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 04:00:02,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 04:00:02,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 04:00:02,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 04:00:02,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 04:00:02,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 04:00:02,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 04:00:02,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 04:00:02,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 04:00:02,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 04:00:02,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 04:00:02,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 04:00:02,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 04:00:02,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 04:00:02,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 04:00:02,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 04:00:02,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 04:00:02,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 04:00:02,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 04:00:02,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 04:00:02,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 04:00:03,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 04:00:03,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 04:00:03,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 04:00:03,097 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 04:00:03,100 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 04:00:03,101 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2020-07-20 04:00:03,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e71e1dbe/e4305f3cb5aa449ea093289314575ce6/FLAGdba9d3f04 [2020-07-20 04:00:03,629 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 04:00:03,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2020-07-20 04:00:03,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e71e1dbe/e4305f3cb5aa449ea093289314575ce6/FLAGdba9d3f04 [2020-07-20 04:00:04,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e71e1dbe/e4305f3cb5aa449ea093289314575ce6 [2020-07-20 04:00:04,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 04:00:04,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 04:00:04,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 04:00:04,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 04:00:04,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 04:00:04,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e071f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04, skipping insertion in model container [2020-07-20 04:00:04,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 04:00:04,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 04:00:04,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 04:00:04,280 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 04:00:04,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 04:00:04,305 INFO L208 MainTranslator]: Completed translation [2020-07-20 04:00:04,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04 WrapperNode [2020-07-20 04:00:04,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 04:00:04,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 04:00:04,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 04:00:04,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 04:00:04,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (1/1) ... [2020-07-20 04:00:04,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 04:00:04,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 04:00:04,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 04:00:04,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 04:00:04,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (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 [2020-07-20 04:00:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 04:00:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 04:00:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 04:00:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 04:00:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 04:00:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-07-20 04:00:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 04:00:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 04:00:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 04:00:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 04:00:04,693 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 04:00:04,694 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 04:00:04,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:00:04 BoogieIcfgContainer [2020-07-20 04:00:04,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 04:00:04,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 04:00:04,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 04:00:04,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 04:00:04,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:00:04" (1/3) ... [2020-07-20 04:00:04,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490d6868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:00:04, skipping insertion in model container [2020-07-20 04:00:04,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:00:04" (2/3) ... [2020-07-20 04:00:04,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490d6868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:00:04, skipping insertion in model container [2020-07-20 04:00:04,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:00:04" (3/3) ... [2020-07-20 04:00:04,707 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_3-1.c [2020-07-20 04:00:04,720 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 04:00:04,728 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 04:00:04,740 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 04:00:04,762 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 04:00:04,763 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 04:00:04,763 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 04:00:04,763 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 04:00:04,763 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 04:00:04,763 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 04:00:04,763 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 04:00:04,764 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 04:00:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-20 04:00:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-20 04:00:04,790 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 04:00:04,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 04:00:04,791 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 04:00:04,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 04:00:04,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2020-07-20 04:00:04,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 04:00:04,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483464191] [2020-07-20 04:00:04,805 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdeb3a9 [2020-07-20 04:00:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 04:00:04,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 04:00:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 04:00:04,984 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 04:00:05,006 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 04:00:05,007 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 04:00:05,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 04:00:05,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:00:05 BoogieIcfgContainer [2020-07-20 04:00:05,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 04:00:05,037 INFO L168 Benchmark]: Toolchain (without parser) took 965.61 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 104.1 MB in the beginning and 156.5 MB in the end (delta: -52.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-20 04:00:05,039 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 04:00:05,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.07 ms. Allocated memory is still 146.3 MB. Free memory was 103.7 MB in the beginning and 94.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-20 04:00:05,041 INFO L168 Benchmark]: Boogie Preprocessor took 119.64 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 94.4 MB in the beginning and 183.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-07-20 04:00:05,042 INFO L168 Benchmark]: RCFGBuilder took 271.01 ms. Allocated memory is still 203.9 MB. Free memory was 183.4 MB in the beginning and 171.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-07-20 04:00:05,043 INFO L168 Benchmark]: TraceAbstraction took 334.87 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 156.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-20 04:00:05,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.07 ms. Allocated memory is still 146.3 MB. Free memory was 103.7 MB in the beginning and 94.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.64 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 94.4 MB in the beginning and 183.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 271.01 ms. Allocated memory is still 203.9 MB. Free memory was 183.4 MB in the beginning and 171.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 334.87 ms. Allocated memory is still 203.9 MB. Free memory was 171.1 MB in the beginning and 156.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] unsigned int x = 0; [L13] unsigned short N = __VERIFIER_nondet_ushort(); [L15] COND FALSE !(x < N) VAL [N=0, x=0] [L19] CALL __VERIFIER_assert(x % 2) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 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, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...