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-reduced/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 11:19:11,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 11:19:11,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 11:19:11,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 11:19:11,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 11:19:11,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 11:19:11,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 11:19:11,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 11:19:11,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 11:19:11,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 11:19:11,693 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 11:19:11,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 11:19:11,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 11:19:11,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 11:19:11,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 11:19:11,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 11:19:11,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 11:19:11,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 11:19:11,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 11:19:11,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 11:19:11,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 11:19:11,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 11:19:11,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 11:19:11,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 11:19:11,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 11:19:11,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 11:19:11,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 11:19:11,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 11:19:11,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 11:19:11,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 11:19:11,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 11:19:11,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 11:19:11,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 11:19:11,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 11:19:11,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 11:19:11,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 11:19:11,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 11:19:11,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 11:19:11,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 11:19:11,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 11:19:11,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 11:19:11,742 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 11:19:11,766 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 11:19:11,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 11:19:11,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 11:19:11,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 11:19:11,769 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 11:19:11,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 11:19:11,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 11:19:11,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 11:19:11,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 11:19:11,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 11:19:11,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 11:19:11,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 11:19:11,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 11:19:11,772 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 11:19:11,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 11:19:11,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 11:19:11,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 11:19:11,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 11:19:11,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 11:19:11,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 11:19:11,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 11:19:11,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 11:19:11,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 11:19:11,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 11:19:11,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 11:19:11,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 11:19:11,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 11:19:11,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 11:19:11,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 11:19:11,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 11:19:11,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 11:19:11,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 11:19:11,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 11:19:11,836 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 11:19:11,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-08-18 11:19:11,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff1a130f/602b1e1515d24f2abcc7e6d99937cf09/FLAG44b2fbea8 [2019-08-18 11:19:12,400 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 11:19:12,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-08-18 11:19:12,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff1a130f/602b1e1515d24f2abcc7e6d99937cf09/FLAG44b2fbea8 [2019-08-18 11:19:12,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff1a130f/602b1e1515d24f2abcc7e6d99937cf09 [2019-08-18 11:19:12,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 11:19:12,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 11:19:12,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 11:19:12,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 11:19:12,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 11:19:12,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:19:12" (1/1) ... [2019-08-18 11:19:12,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7237cb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:12, skipping insertion in model container [2019-08-18 11:19:12,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:19:12" (1/1) ... [2019-08-18 11:19:12,760 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 11:19:12,836 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 11:19:13,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:19:13,471 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 11:19:13,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:19:13,612 INFO L192 MainTranslator]: Completed translation [2019-08-18 11:19:13,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13 WrapperNode [2019-08-18 11:19:13,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 11:19:13,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 11:19:13,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 11:19:13,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 11:19:13,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13" (1/1) ... [2019-08-18 11:19:13,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13" (1/1) ... [2019-08-18 11:19:13,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13" (1/1) ... [2019-08-18 11:19:13,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13" (1/1) ... [2019-08-18 11:19:13,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13" (1/1) ... [2019-08-18 11:19:13,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13" (1/1) ... [2019-08-18 11:19:13,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13" (1/1) ... [2019-08-18 11:19:13,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 11:19:13,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 11:19:13,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 11:19:13,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 11:19:13,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:19:13" (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 11:19:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 11:19:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 11:19:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 11:19:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 11:19:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 11:19:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 11:19:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 11:19:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 11:19:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 11:19:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 11:19:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 11:19:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 11:19:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 11:19:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 11:19:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 11:19:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 11:19:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 11:19:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 11:19:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 11:19:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 11:19:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 11:19:15,203 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 11:19:15,203 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 11:19:15,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:19:15 BoogieIcfgContainer [2019-08-18 11:19:15,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 11:19:15,205 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 11:19:15,205 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 11:19:15,205 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 11:19:15,206 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:19:15" (1/1) ... [2019-08-18 11:19:15,219 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 11:19:15,222 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 11:19:15,236 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 11:19:15,244 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 11:19:15,246 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 11:19:15,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,408 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:19:15,435 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2019-08-18 11:19:15,436 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 11:19:15,803 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-08-18 11:19:15,804 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:19:15,830 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:19:15,832 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:19:15,832 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:19:15,833 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:19:15,834 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:19:15,841 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2019-08-18 11:19:15,842 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 11:19:16,169 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-08-18 11:19:16,169 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:19:16,170 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 11:19:16,171 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:211, output treesize:229 [2019-08-18 11:19:16,207 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 254 [2019-08-18 11:19:22,756 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:22,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:23,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:23,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:59,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:59,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:59,493 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:59,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:59,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:19:59,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:20:00,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:20:09,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:20:38,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:20:38,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:20:38,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:20:39,121 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:20:41,347 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 11:20:41,348 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 11:20:41,351 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 683281#(and (= ~__return_185334~0 main_~check__tmp~1) (= main_~__tmp_2~0 main_~assert__arg~1) (= main_~main__c1~0 ~__return_185334~0) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1))) [2019-08-18 11:20:41,359 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 11:20:41,359 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 11:20:41,361 INFO L168 Benchmark]: Toolchain (without parser) took 88616.42 ms. Allocated memory was 131.1 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 85.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2019-08-18 11:20:41,362 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-18 11:20:41,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.25 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.4 MB in the beginning and 164.3 MB in the end (delta: -78.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-08-18 11:20:41,365 INFO L168 Benchmark]: Boogie Preprocessor took 102.23 ms. Allocated memory is still 199.2 MB. Free memory was 164.3 MB in the beginning and 160.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-08-18 11:20:41,366 INFO L168 Benchmark]: RCFGBuilder took 1488.14 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 160.2 MB in the beginning and 182.1 MB in the end (delta: -21.9 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2019-08-18 11:20:41,367 INFO L168 Benchmark]: Symbolic Interpretation took 86154.43 ms. Allocated memory was 219.7 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 182.1 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2019-08-18 11:20:41,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 515]: 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 683281#(and (= ~__return_185334~0 main_~check__tmp~1) (= main_~__tmp_2~0 main_~assert__arg~1) (= main_~main__c1~0 ~__return_185334~0) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 868.25 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.4 MB in the beginning and 164.3 MB in the end (delta: -78.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.23 ms. Allocated memory is still 199.2 MB. Free memory was 164.3 MB in the beginning and 160.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1488.14 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 160.2 MB in the beginning and 182.1 MB in the end (delta: -21.9 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 86154.43 ms. Allocated memory was 219.7 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 182.1 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...