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/test25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:53,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:53,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:53,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:48:53,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:48:53,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:48:53,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:48:53,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:48:53,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:48:53,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:48:53,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:48:53,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:48:53,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:53,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:53,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:53,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:53,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:53,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:53,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:53,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:53,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:53,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:53,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:53,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:53,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:48:53,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:48:53,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:48:53,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:48:53,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:48:53,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:48:53,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:48:53,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:48:53,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:48:53,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:48:53,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:48:53,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:48:53,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:48:53,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:48:53,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:48:53,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:48:53,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:48:53,629 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 13:48:53,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:53,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:53,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:53,646 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:53,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:53,647 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:53,647 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:53,647 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:53,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:53,648 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:53,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:53,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:53,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:53,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:53,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:53,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:53,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:53,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:53,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:53,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:53,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:53,651 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:53,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:53,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:53,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:53,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:53,652 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:53,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:53,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:53,652 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:53,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:53,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:53,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:53,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:53,701 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:53,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-20 13:48:53,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42affad0f/9fe37075d0fa4a2d88074c0cecf231be/FLAGbf8a7e9af [2019-09-20 13:48:54,196 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:54,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-20 13:48:54,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42affad0f/9fe37075d0fa4a2d88074c0cecf231be/FLAGbf8a7e9af [2019-09-20 13:48:54,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42affad0f/9fe37075d0fa4a2d88074c0cecf231be [2019-09-20 13:48:54,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:54,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:54,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:54,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:54,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:54,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:54" (1/1) ... [2019-09-20 13:48:54,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330003be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:54, skipping insertion in model container [2019-09-20 13:48:54,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:54" (1/1) ... [2019-09-20 13:48:54,640 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:54,656 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:54,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:54,880 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:54,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:55,020 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:55,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55 WrapperNode [2019-09-20 13:48:55,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:55,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:55,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:55,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:55,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55" (1/1) ... [2019-09-20 13:48:55,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55" (1/1) ... [2019-09-20 13:48:55,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55" (1/1) ... [2019-09-20 13:48:55,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55" (1/1) ... [2019-09-20 13:48:55,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55" (1/1) ... [2019-09-20 13:48:55,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55" (1/1) ... [2019-09-20 13:48:55,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55" (1/1) ... [2019-09-20 13:48:55,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:55,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:55,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:55,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:55,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:55" (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 13:48:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 13:48:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 13:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:55,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:55,447 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:48:55,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:55 BoogieIcfgContainer [2019-09-20 13:48:55,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:55,449 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:55,449 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:55,449 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:55,450 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:55" (1/1) ... [2019-09-20 13:48:55,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:55,547 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:48:55,553 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 38 variables. [2019-09-20 13:48:55,553 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:55,556 INFO L168 Benchmark]: Toolchain (without parser) took 931.65 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 86.2 MB in the beginning and 152.4 MB in the end (delta: -66.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:55,557 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory is still 103.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:55,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.28 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 86.2 MB in the beginning and 177.7 MB in the end (delta: -91.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:55,560 INFO L168 Benchmark]: Boogie Preprocessor took 37.96 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 175.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:55,561 INFO L168 Benchmark]: RCFGBuilder took 388.38 ms. Allocated memory is still 199.8 MB. Free memory was 174.6 MB in the beginning and 158.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:55,562 INFO L168 Benchmark]: Abstract Interpretation took 104.31 ms. Allocated memory is still 199.8 MB. Free memory was 158.0 MB in the beginning and 152.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:55,566 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory is still 103.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 397.28 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 86.2 MB in the beginning and 177.7 MB in the end (delta: -91.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.96 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 175.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.38 ms. Allocated memory is still 199.8 MB. Free memory was 174.6 MB in the beginning and 158.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 104.31 ms. Allocated memory is still 199.8 MB. Free memory was 158.0 MB in the beginning and 152.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 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: 48]: 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...