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-acceleration/underapprox_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:21:03,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:21:03,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:21:03,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:21:03,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:21:03,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:21:03,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:21:03,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:21:03,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:21:03,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:21:03,084 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:21:03,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:21:03,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:21:03,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:21:03,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:21:03,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:21:03,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:21:03,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:21:03,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:21:03,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:21:03,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:21:03,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:21:03,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:21:03,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:21:03,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:21:03,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:21:03,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:21:03,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:21:03,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:21:03,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:21:03,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:21:03,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:21:03,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:21:03,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:21:03,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:21:03,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:21:03,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:21:03,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:21:03,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:21:03,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:21:03,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:21:03,116 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 [2019-08-18 07:21:03,132 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:21:03,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:21:03,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:21:03,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:21:03,134 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:21:03,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:21:03,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:21:03,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:21:03,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:21:03,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:21:03,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:21:03,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:21:03,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:21:03,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:21:03,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:21:03,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:21:03,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:21:03,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:21:03,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:21:03,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:21:03,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:21:03,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:21:03,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:21:03,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:21:03,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:21:03,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:21:03,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:21:03,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:21:03,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:21:03,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:21:03,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:21:03,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:21:03,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:21:03,191 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:21:03,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_1-2.c [2019-08-18 07:21:03,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a060404/3d0b8b4246f0484b8b27efe06b8f8d10/FLAG8956b64a9 [2019-08-18 07:21:03,725 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:21:03,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_1-2.c [2019-08-18 07:21:03,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a060404/3d0b8b4246f0484b8b27efe06b8f8d10/FLAG8956b64a9 [2019-08-18 07:21:04,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62a060404/3d0b8b4246f0484b8b27efe06b8f8d10 [2019-08-18 07:21:04,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:21:04,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:21:04,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:21:04,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:21:04,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:21:04,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8ec865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04, skipping insertion in model container [2019-08-18 07:21:04,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,102 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:21:04,133 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:21:04,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:21:04,292 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:21:04,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:21:04,334 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:21:04,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04 WrapperNode [2019-08-18 07:21:04,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:21:04,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:21:04,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:21:04,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:21:04,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:21:04,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:21:04,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:21:04,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:21:04,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:04" (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 [2019-08-18 07:21:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:21:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:21:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 07:21:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:21:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:21:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:21:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:21:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:21:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:21:04,681 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:21:04,682 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 07:21:04,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:21:04 BoogieIcfgContainer [2019-08-18 07:21:04,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:21:04,684 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:21:04,684 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:21:04,684 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:21:04,685 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:21:04" (1/1) ... [2019-08-18 07:21:04,696 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:21:04,699 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:21:04,705 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:21:04,713 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:21:04,715 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:21:04,752 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 07:21:04,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:21:04,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:21:04,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:21:04,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:21:04,830 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 [2019-08-18 07:21:04,835 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:21:04,835 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:21:04,839 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 34#(and (exists ((v_prenex_1 Int) (v_main_~y~0_BEFORE_CALL_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| (+ (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) (- 4294967296))) (not (<= (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) 2147483647)) (not (< (mod v_prenex_1 4294967296) 0))) (and (= |__VERIFIER_assert_#in~cond| (+ (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) (- 4294967296))) (= (mod (mod v_prenex_1 4294967296) 3) 0) (not (<= (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) 2147483647))) (and (<= (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) 2147483647) (= |__VERIFIER_assert_#in~cond| (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296)) (not (< (mod v_prenex_1 4294967296) 0))) (and (<= (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) 2147483647) (= |__VERIFIER_assert_#in~cond| (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296)) (= (mod (mod v_prenex_1 4294967296) 3) 0)) (and (< (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 0) (not (= (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 0)) (not (<= (mod (+ (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 4294967293) 4294967296) 2147483647)) (= |__VERIFIER_assert_#in~cond| (+ (mod (+ (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 4294967293) 4294967296) (- 4294967296)))) (and (= |__VERIFIER_assert_#in~cond| (mod (+ (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 4294967293) 4294967296)) (<= (mod (+ (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 4294967293) 4294967296) 2147483647) (< (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 0) (not (= (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 0))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 07:21:04,855 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:21:04,855 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:21:04,858 INFO L168 Benchmark]: Toolchain (without parser) took 773.28 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 155.2 MB in the end (delta: -70.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:21:04,859 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:21:04,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.53 ms. Allocated memory is still 136.8 MB. Free memory was 84.8 MB in the beginning and 75.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:04,861 INFO L168 Benchmark]: Boogie Preprocessor took 124.21 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 75.3 MB in the beginning and 175.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:04,862 INFO L168 Benchmark]: RCFGBuilder took 223.38 ms. Allocated memory is still 197.7 MB. Free memory was 175.2 MB in the beginning and 164.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:04,863 INFO L168 Benchmark]: Symbolic Interpretation took 171.97 ms. Allocated memory is still 197.7 MB. Free memory was 164.5 MB in the beginning and 155.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:04,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 34#(and (exists ((v_prenex_1 Int) (v_main_~y~0_BEFORE_CALL_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| (+ (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) (- 4294967296))) (not (<= (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) 2147483647)) (not (< (mod v_prenex_1 4294967296) 0))) (and (= |__VERIFIER_assert_#in~cond| (+ (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) (- 4294967296))) (= (mod (mod v_prenex_1 4294967296) 3) 0) (not (<= (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) 2147483647))) (and (<= (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) 2147483647) (= |__VERIFIER_assert_#in~cond| (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296)) (not (< (mod v_prenex_1 4294967296) 0))) (and (<= (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296) 2147483647) (= |__VERIFIER_assert_#in~cond| (mod (mod (mod v_prenex_1 4294967296) 3) 4294967296)) (= (mod (mod v_prenex_1 4294967296) 3) 0)) (and (< (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 0) (not (= (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 0)) (not (<= (mod (+ (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 4294967293) 4294967296) 2147483647)) (= |__VERIFIER_assert_#in~cond| (+ (mod (+ (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 4294967293) 4294967296) (- 4294967296)))) (and (= |__VERIFIER_assert_#in~cond| (mod (+ (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 4294967293) 4294967296)) (<= (mod (+ (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 4294967293) 4294967296) 2147483647) (< (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 0) (not (= (mod (mod v_main_~y~0_BEFORE_CALL_1 4294967296) 3) 0))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.53 ms. Allocated memory is still 136.8 MB. Free memory was 84.8 MB in the beginning and 75.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.21 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 75.3 MB in the beginning and 175.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.38 ms. Allocated memory is still 197.7 MB. Free memory was 175.2 MB in the beginning and 164.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 171.97 ms. Allocated memory is still 197.7 MB. Free memory was 164.5 MB in the beginning and 155.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...