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/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:33:23,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:33:23,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:33:23,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:33:23,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:33:23,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:33:23,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:33:23,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:33:23,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:33:23,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:33:23,888 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:33:23,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:33:23,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:33:23,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:33:23,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:33:23,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:33:23,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:33:23,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:33:23,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:33:23,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:33:23,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:33:23,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:33:23,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:33:23,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:33:23,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 09:33:23,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 09:33:23,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 09:33:23,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 09:33:23,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 09:33:23,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 09:33:23,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:33:23,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:33:23,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:33:23,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:33:23,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:33:23,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:33:23,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:33:23,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:33:23,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:33:23,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:33:23,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:33:23,915 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 09:33:23,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:33:23,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:33:23,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:33:23,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:33:23,936 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:33:23,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:33:23,936 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:33:23,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:33:23,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:33:23,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:33:23,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:33:23,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:33:23,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:33:23,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:33:23,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:33:23,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:33:23,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:33:23,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:33:23,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:33:23,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:33:23,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:33:23,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:33:23,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:33:23,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:33:23,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:33:23,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:33:23,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:33:23,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:33:23,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:33:23,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:33:23,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:33:23,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:33:23,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:33:23,999 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:33:24,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c [2019-08-18 09:33:24,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d06cadac/b2f0f9275a9a48ffa8b54dab33c418ff/FLAG3eb16fa6e [2019-08-18 09:33:24,638 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:33:24,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c [2019-08-18 09:33:24,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d06cadac/b2f0f9275a9a48ffa8b54dab33c418ff/FLAG3eb16fa6e [2019-08-18 09:33:24,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d06cadac/b2f0f9275a9a48ffa8b54dab33c418ff [2019-08-18 09:33:24,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:33:24,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:33:24,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:24,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:33:24,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:33:24,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:24" (1/1) ... [2019-08-18 09:33:24,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f91e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:24, skipping insertion in model container [2019-08-18 09:33:24,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:24" (1/1) ... [2019-08-18 09:33:24,945 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:33:25,006 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:33:25,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:25,552 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:33:25,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:25,652 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:33:25,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25 WrapperNode [2019-08-18 09:33:25,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:25,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:33:25,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:33:25,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:33:25,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:33:25,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:33:25,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:33:25,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:33:25,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25" (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 09:33:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:33:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:33:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-18 09:33:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-18 09:33:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-18 09:33:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-18 09:33:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-18 09:33:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-18 09:33:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2019-08-18 09:33:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:33:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:33:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:33:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:33:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:33:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:33:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:33:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:33:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:33:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:33:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:33:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 09:33:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 09:33:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 09:33:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 09:33:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 09:33:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 09:33:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-18 09:33:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:33:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:33:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:33:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:33:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:33:26,600 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:33:26,600 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:33:26,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:26 BoogieIcfgContainer [2019-08-18 09:33:26,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:33:26,602 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:33:26,603 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:33:26,603 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:33:26,604 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:26" (1/1) ... [2019-08-18 09:33:26,618 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:33:26,621 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:33:26,633 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:33:26,642 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:33:26,644 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:33:26,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:26,841 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 42 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2019-08-18 09:33:26,842 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:27,189 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-18 09:33:27,190 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:27,207 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,207 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,208 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,209 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,210 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,211 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,215 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2019-08-18 09:33:27,215 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:27,523 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-08-18 09:33:27,523 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:27,524 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:33:27,524 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:224 [2019-08-18 09:33:27,557 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 241 [2019-08-18 09:33:27,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,984 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:27,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,006 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,012 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,014 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,021 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,022 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,073 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,130 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,344 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 78 [2019-08-18 09:33:28,345 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:33:28,346 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:33:28,349 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 664#(and (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|)) [2019-08-18 09:33:28,358 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:33:28,361 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:33:28,364 INFO L168 Benchmark]: Toolchain (without parser) took 3435.31 ms. Allocated memory was 138.9 MB in the beginning and 261.1 MB in the end (delta: 122.2 MB). Free memory was 84.5 MB in the beginning and 114.9 MB in the end (delta: -30.4 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,365 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.94 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 84.3 MB in the beginning and 170.4 MB in the end (delta: -86.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,369 INFO L168 Benchmark]: Boogie Preprocessor took 62.83 ms. Allocated memory is still 200.3 MB. Free memory was 170.4 MB in the beginning and 167.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,370 INFO L168 Benchmark]: RCFGBuilder took 884.73 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 113.6 MB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,371 INFO L168 Benchmark]: Symbolic Interpretation took 1758.69 ms. Allocated memory was 200.3 MB in the beginning and 261.1 MB in the end (delta: 60.8 MB). Free memory was 113.6 MB in the beginning and 114.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 66.2 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,381 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 627]: 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 664#(and (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.94 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 84.3 MB in the beginning and 170.4 MB in the end (delta: -86.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.83 ms. Allocated memory is still 200.3 MB. Free memory was 170.4 MB in the beginning and 167.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 884.73 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 113.6 MB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1758.69 ms. Allocated memory was 200.3 MB in the beginning and 261.1 MB in the end (delta: 60.8 MB). Free memory was 113.6 MB in the beginning and 114.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 66.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...