java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:00,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:01,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:01,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:01,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:01,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:01,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:01,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:01,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:01,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:01,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:01,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:01,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:01,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:01,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:01,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:01,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:01,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:01,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:01,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:01,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:01,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:01,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:01,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:01,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:01,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:01,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:01,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:01,050 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 [2019-10-15 04:44:01,068 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:01,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:01,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:01,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:01,070 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:01,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:01,071 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:01,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:01,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:01,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:01,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:01,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:01,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:01,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:01,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:01,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:01,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:01,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:01,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:01,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:01,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:01,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:01,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:01,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:01,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:01,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:01,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:01,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:01,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:01,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:01,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:01,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:01,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:01,407 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:01,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-10-15 04:44:01,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e19c59d1/389a5c3ec23c4a419ac8124c33ab2e37/FLAGfb35ac28e [2019-10-15 04:44:01,974 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:01,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-10-15 04:44:01,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e19c59d1/389a5c3ec23c4a419ac8124c33ab2e37/FLAGfb35ac28e [2019-10-15 04:44:02,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e19c59d1/389a5c3ec23c4a419ac8124c33ab2e37 [2019-10-15 04:44:02,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:02,361 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:02,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:02,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:02,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:02,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed2b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02, skipping insertion in model container [2019-10-15 04:44:02,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,378 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:02,396 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:02,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:02,599 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:02,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:02,628 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:02,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02 WrapperNode [2019-10-15 04:44:02,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:02,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:02,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:02,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:02,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:02,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:02,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:02,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:02,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (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 [2019-10-15 04:44:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:03,068 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:03,069 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:03,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:03 BoogieIcfgContainer [2019-10-15 04:44:03,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:03,071 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:03,071 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:03,071 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:03,072 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:03" (1/1) ... [2019-10-15 04:44:03,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:03,225 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:44:03,739 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:03,766 INFO L272 AbstractInterpreter]: Visited 29 different actions 44 times. Merged at 9 different actions 9 times. Never widened. Performed 79 root evaluator evaluations with a maximum evaluation depth of 15. Performed 79 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 9 fixpoints after 6 different actions. Largest state had 5 variables. [2019-10-15 04:44:03,767 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:03,773 INFO L168 Benchmark]: Toolchain (without parser) took 1407.66 ms. Allocated memory was 144.7 MB in the beginning and 233.8 MB in the end (delta: 89.1 MB). Free memory was 102.4 MB in the beginning and 174.6 MB in the end (delta: -72.2 MB). Peak memory consumption was 74.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,776 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.32 ms. Allocated memory is still 144.7 MB. Free memory was 102.2 MB in the beginning and 92.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,781 INFO L168 Benchmark]: Boogie Preprocessor took 117.69 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 92.8 MB in the beginning and 179.6 MB in the end (delta: -86.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,784 INFO L168 Benchmark]: RCFGBuilder took 322.49 ms. Allocated memory is still 201.3 MB. Free memory was 179.6 MB in the beginning and 167.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,785 INFO L168 Benchmark]: Abstract Interpretation took 695.88 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 167.6 MB in the beginning and 174.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,800 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 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.32 ms. Allocated memory is still 144.7 MB. Free memory was 102.2 MB in the beginning and 92.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.69 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 92.8 MB in the beginning and 179.6 MB in the end (delta: -86.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 322.49 ms. Allocated memory is still 201.3 MB. Free memory was 179.6 MB in the beginning and 167.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 695.88 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 167.6 MB in the beginning and 174.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L13] unsigned int x; [L14] unsigned int y = 1; [L16] COND TRUE __VERIFIER_nondet_int() [L17] COND TRUE x % 3 == 1 [L18] x += 2 [L18] y = 0 [L16] COND FALSE !(__VERIFIER_nondet_int()) [L30] COND TRUE y == 0 [L31] CALL __VERIFIER_assert(x % 3 == 0) [L7] COND TRUE !(cond) [L8] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...