java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:26:34,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:26:34,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:26:34,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:26:34,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:26:34,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:26:34,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:26:34,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:26:34,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:26:34,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:26:34,622 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:26:34,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:26:34,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:26:34,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:26:34,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:26:34,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:26:34,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:26:34,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:26:34,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:26:34,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:26:34,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:26:34,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:26:34,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:26:34,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:26:34,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:26:34,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 02:26:34,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 02:26:34,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 02:26:34,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 02:26:34,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 02:26:34,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 02:26:34,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 02:26:34,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 02:26:34,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:26:34,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:26:34,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:26:34,665 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 [2019-08-10 02:26:34,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:26:34,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:26:34,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:26:34,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:26:34,681 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:26:34,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:26:34,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:26:34,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:26:34,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:26:34,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:26:34,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:26:34,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:26:34,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:26:34,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:26:34,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:26:34,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:26:34,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:26:34,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:26:34,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:26:34,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:26:34,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:26:34,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:26:34,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:26:34,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:26:34,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:26:34,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:26:34,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:26:34,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:26:34,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:26:34,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:26:34,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:26:34,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:26:34,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:26:34,735 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:26:34,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-08-10 02:26:34,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbada393/613edd165a1540fcb90ffe0b5626a893/FLAG1ff79257b [2019-08-10 02:26:35,276 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:26:35,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-08-10 02:26:35,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbada393/613edd165a1540fcb90ffe0b5626a893/FLAG1ff79257b [2019-08-10 02:26:35,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbada393/613edd165a1540fcb90ffe0b5626a893 [2019-08-10 02:26:35,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:26:35,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:26:35,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:35,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:26:35,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:26:35,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:35,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421aacdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35, skipping insertion in model container [2019-08-10 02:26:35,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:35,668 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:26:35,696 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:26:35,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:35,949 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:26:35,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:35,989 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:26:35,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35 WrapperNode [2019-08-10 02:26:35,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:35,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:26:35,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:26:35,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:26:36,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:36,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:36,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:36,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:36,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:36,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:36,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35" (1/1) ... [2019-08-10 02:26:36,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:26:36,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:26:36,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:26:36,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:26:36,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:35" (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 [2019-08-10 02:26:36,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:26:36,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:26:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:26:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:26:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:26:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:26:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:26:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:26:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:26:36,527 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:26:36,527 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 02:26:36,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:36 BoogieIcfgContainer [2019-08-10 02:26:36,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:26:36,529 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:26:36,529 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:26:36,529 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:26:36,530 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:36" (1/1) ... [2019-08-10 02:26:37,154 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:26:37,164 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:26:37,167 INFO L168 Benchmark]: Toolchain (without parser) took 1517.29 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 90.6 MB in the beginning and 128.5 MB in the end (delta: -37.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:37,169 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:26:37,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.78 ms. Allocated memory is still 134.7 MB. Free memory was 90.4 MB in the beginning and 79.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:37,172 INFO L168 Benchmark]: Boogie Preprocessor took 122.00 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 79.9 MB in the beginning and 177.2 MB in the end (delta: -97.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:37,174 INFO L168 Benchmark]: RCFGBuilder took 415.48 ms. Allocated memory is still 200.8 MB. Free memory was 177.2 MB in the beginning and 161.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:37,175 INFO L168 Benchmark]: Symbolic Interpretation took 635.32 ms. Allocated memory is still 200.8 MB. Free memory was 161.4 MB in the beginning and 128.5 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:37,185 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 95]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 401#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (= (mod (ite (and (not (= 0 (mod (mod main_~main__x~0 4294967296) 3))) (< (mod main_~main__x~0 4294967296) 0)) (+ (mod (mod main_~main__x~0 4294967296) 3) (- 3)) (mod (mod main_~main__x~0 4294967296) 3)) 4294967296) 0) 1 0) main_~__tmp_1~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= 0 (mod main_~main__y~0 4294967296))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 340.78 ms. Allocated memory is still 134.7 MB. Free memory was 90.4 MB in the beginning and 79.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.00 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 79.9 MB in the beginning and 177.2 MB in the end (delta: -97.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 415.48 ms. Allocated memory is still 200.8 MB. Free memory was 177.2 MB in the beginning and 161.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 635.32 ms. Allocated memory is still 200.8 MB. Free memory was 161.4 MB in the beginning and 128.5 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...