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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loops/linear_sea.ch.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:12,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:12,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:12,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:12,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:12,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:12,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:12,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:12,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:12,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:12,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:12,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:12,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:12,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:12,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:12,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:12,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:12,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:12,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:12,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:12,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:12,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:12,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:12,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:12,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:12,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:47:12,669 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:12,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:12,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:12,670 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:12,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:12,671 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:12,671 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:12,671 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:12,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:12,672 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:12,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:12,673 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:12,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:12,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:12,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:12,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:12,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:12,674 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:12,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:12,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:12,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:12,674 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:12,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:12,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:12,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:12,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:12,676 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:12,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:12,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:12,676 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:12,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:12,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:12,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:12,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:12,728 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:12,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/linear_sea.ch.c [2019-09-20 13:47:12,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a92620253/98dace3f5c88465e863a4efca27f7f18/FLAG73fddc746 [2019-09-20 13:47:13,266 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:13,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/linear_sea.ch.c [2019-09-20 13:47:13,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a92620253/98dace3f5c88465e863a4efca27f7f18/FLAG73fddc746 [2019-09-20 13:47:13,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a92620253/98dace3f5c88465e863a4efca27f7f18 [2019-09-20 13:47:13,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:13,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:13,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:13,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:13,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:13,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b422b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13, skipping insertion in model container [2019-09-20 13:47:13,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:13,706 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:13,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:13,946 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:13,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:13,984 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:13,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13 WrapperNode [2019-09-20 13:47:13,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:13,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:13,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:13,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:14,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:14,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:14,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:14,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:14,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:14,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:14,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:14,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:14,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:14,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:14,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:14,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13" (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 13:47:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure linear_search [2019-09-20 13:47:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:47:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:47:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure linear_search [2019-09-20 13:47:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:47:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:47:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:47:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:47:14,456 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:14,456 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:14,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:14 BoogieIcfgContainer [2019-09-20 13:47:14,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:14,458 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:14,458 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:14,459 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:14,459 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:14,604 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:14,618 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:47:14,624 INFO L272 AbstractInterpreter]: Visited 11 different actions 11 times. Never merged. Never widened. Performed 24 root evaluator evaluations with a maximum evaluation depth of 9. Performed 24 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 23 variables. [2019-09-20 13:47:14,624 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:14,627 INFO L168 Benchmark]: Toolchain (without parser) took 956.24 ms. Allocated memory was 138.9 MB in the beginning and 197.7 MB in the end (delta: 58.7 MB). Free memory was 86.5 MB in the beginning and 152.5 MB in the end (delta: -65.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:14,628 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.89 ms. Allocated memory is still 138.9 MB. Free memory was 86.3 MB in the beginning and 76.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,631 INFO L168 Benchmark]: Boogie Preprocessor took 131.54 ms. Allocated memory was 138.9 MB in the beginning and 197.7 MB in the end (delta: 58.7 MB). Free memory was 76.5 MB in the beginning and 174.9 MB in the end (delta: -98.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,632 INFO L168 Benchmark]: RCFGBuilder took 340.95 ms. Allocated memory is still 197.7 MB. Free memory was 174.9 MB in the beginning and 158.7 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,634 INFO L168 Benchmark]: Abstract Interpretation took 166.10 ms. Allocated memory is still 197.7 MB. Free memory was 158.7 MB in the beginning and 152.5 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,639 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 313.89 ms. Allocated memory is still 138.9 MB. Free memory was 86.3 MB in the beginning and 76.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.54 ms. Allocated memory was 138.9 MB in the beginning and 197.7 MB in the end (delta: 58.7 MB). Free memory was 76.5 MB in the beginning and 174.9 MB in the end (delta: -98.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.95 ms. Allocated memory is still 197.7 MB. Free memory was 174.9 MB in the beginning and 158.7 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 166.10 ms. Allocated memory is still 197.7 MB. Free memory was 158.7 MB in the beginning and 152.5 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...