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/trex03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:21,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:21,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:21,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:21,928 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 13:47:21,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:21,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:21,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:21,946 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:21,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:21,947 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:21,947 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:21,948 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:21,948 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:21,948 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:21,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:21,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:21,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:21,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:21,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:21,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:21,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:21,952 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:21,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:21,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:21,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:21,953 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:21,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:21,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:21,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:21,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:21,955 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:21,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:21,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:21,955 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:21,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:22,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:22,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:22,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:22,022 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:22,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-1.c [2019-09-20 13:47:22,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ecee760/2bca259b00db4fa19981fd2509ff677d/FLAGd6e706b91 [2019-09-20 13:47:22,556 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:22,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-1.c [2019-09-20 13:47:22,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ecee760/2bca259b00db4fa19981fd2509ff677d/FLAGd6e706b91 [2019-09-20 13:47:22,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ecee760/2bca259b00db4fa19981fd2509ff677d [2019-09-20 13:47:22,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:22,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:22,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:22,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:22,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:22,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:22" (1/1) ... [2019-09-20 13:47:22,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb28d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:22, skipping insertion in model container [2019-09-20 13:47:22,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:22" (1/1) ... [2019-09-20 13:47:22,986 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:23,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:23,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:23,193 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:23,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:23,224 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:23,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23 WrapperNode [2019-09-20 13:47:23,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:23,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:23,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:23,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:23,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:23,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:23,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:23,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:23,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (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 13:47:23,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:23,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:47:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:47:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:23,675 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:23,676 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:23,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:23 BoogieIcfgContainer [2019-09-20 13:47:23,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:23,680 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:23,680 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:23,680 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:23,681 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,744 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:23,828 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:23,997 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:24,016 INFO L272 AbstractInterpreter]: Visited 25 different actions 25 times. Never merged. Never widened. Performed 29 root evaluator evaluations with a maximum evaluation depth of 10. Performed 29 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 3 different actions. Largest state had 16 variables. [2019-09-20 13:47:24,016 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:24,021 INFO L168 Benchmark]: Toolchain (without parser) took 1047.95 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.3 MB in the beginning and 138.3 MB in the end (delta: -51.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,022 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:24,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.13 ms. Allocated memory is still 132.1 MB. Free memory was 86.3 MB in the beginning and 76.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,026 INFO L168 Benchmark]: Boogie Preprocessor took 125.07 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 76.2 MB in the beginning and 174.7 MB in the end (delta: -98.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,028 INFO L168 Benchmark]: RCFGBuilder took 328.32 ms. Allocated memory is still 199.2 MB. Free memory was 174.7 MB in the beginning and 162.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,029 INFO L168 Benchmark]: Abstract Interpretation took 336.64 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 138.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.13 ms. Allocated memory is still 132.1 MB. Free memory was 86.3 MB in the beginning and 76.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.07 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 76.2 MB in the beginning and 174.7 MB in the end (delta: -98.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 328.32 ms. Allocated memory is still 199.2 MB. Free memory was 174.7 MB in the beginning and 162.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 336.64 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 138.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: 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: [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L16] unsigned int d1=1, d2=1, d3=1; [L17] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L17] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L19] COND FALSE !(x1>0 && x2>0 && x3>0) [L28] CALL __VERIFIER_assert(x1==0 && x2==0 && x3==0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...