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/ldv-regression/test14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:28:58,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:58,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:58,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:28:58,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:58,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:58,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:58,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:58,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:58,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:58,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:58,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:58,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:58,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:58,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:58,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:58,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:58,625 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 [2019-09-16 17:28:58,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:58,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:58,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:58,654 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:58,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:58,655 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:58,655 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:58,655 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:58,655 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:58,655 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:58,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:58,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:58,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:58,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:58,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:58,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:58,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:58,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:58,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:58,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:58,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:58,659 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:58,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:58,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:58,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:58,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:58,661 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:58,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:58,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:58,661 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:58,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:58,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:58,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:58,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:58,718 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:58,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test14.c [2019-09-16 17:28:58,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bc66ef4/9c324de4cac64afbbeecdf6180bdc777/FLAG137e55a8b [2019-09-16 17:28:59,214 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:59,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test14.c [2019-09-16 17:28:59,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bc66ef4/9c324de4cac64afbbeecdf6180bdc777/FLAG137e55a8b [2019-09-16 17:28:59,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bc66ef4/9c324de4cac64afbbeecdf6180bdc777 [2019-09-16 17:28:59,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:59,643 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:59,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:59,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:59,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:59,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:28:59,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fe4094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59, skipping insertion in model container [2019-09-16 17:28:59,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:28:59,659 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:59,676 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:59,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:59,925 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:59,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:59,962 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:59,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59 WrapperNode [2019-09-16 17:28:59,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:59,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:59,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:59,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:29:00,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:29:00,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:29:00,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:29:00,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:29:00,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:29:00,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:29:00,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59" (1/1) ... [2019-09-16 17:29:00,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:29:00,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:29:00,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:29:00,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:29:00,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:59" (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 [2019-09-16 17:29:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:29:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:29:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-16 17:29:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:29:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:29:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:29:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 17:29:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-16 17:29:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:29:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:29:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:29:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:29:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:29:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:29:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:29:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:29:00,471 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:29:00,472 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:29:00,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:29:00 BoogieIcfgContainer [2019-09-16 17:29:00,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:29:00,474 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:29:00,474 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:29:00,474 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:29:00,475 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:29:00" (1/1) ... [2019-09-16 17:29:00,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:29:00,562 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:29:00,568 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 0. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 20 variables. [2019-09-16 17:29:00,568 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:29:00,571 INFO L168 Benchmark]: Toolchain (without parser) took 926.17 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 87.9 MB in the beginning and 152.9 MB in the end (delta: -65.1 MB). Peak memory consumption was 462.6 kB. Max. memory is 7.1 GB. [2019-09-16 17:29:00,572 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:29:00,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.08 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 77.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:29:00,574 INFO L168 Benchmark]: Boogie Preprocessor took 117.52 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 77.8 MB in the beginning and 174.0 MB in the end (delta: -96.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:29:00,575 INFO L168 Benchmark]: RCFGBuilder took 392.42 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 158.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:29:00,576 INFO L168 Benchmark]: Abstract Interpretation took 94.30 ms. Allocated memory is still 197.7 MB. Free memory was 158.0 MB in the beginning and 152.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:29:00,581 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 132.1 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 318.08 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 77.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.52 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 77.8 MB in the beginning and 174.0 MB in the end (delta: -96.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 392.42 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 158.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 94.30 ms. Allocated memory is still 197.7 MB. Free memory was 158.0 MB in the beginning and 152.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 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: 25]: 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...