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.4.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 19:48:34,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 19:48:34,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 19:48:34,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 19:48:34,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 19:48:34,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 19:48:34,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 19:48:34,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 19:48:34,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 19:48:34,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 19:48:34,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 19:48:34,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 19:48:34,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 19:48:34,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 19:48:34,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 19:48:34,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 19:48:34,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 19:48:34,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 19:48:34,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 19:48:34,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 19:48:34,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 19:48:34,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 19:48:34,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 19:48:34,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 19:48:34,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 19:48:34,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 19:48:34,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 19:48:34,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 19:48:34,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 19:48:34,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 19:48:34,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 19:48:34,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 19:48:34,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 19:48:34,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 19:48:34,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 19:48:34,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 19:48:34,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 19:48:34,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 19:48:34,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 19:48:34,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 19:48:34,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 19:48:34,155 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 [2019-08-31 19:48:34,169 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 19:48:34,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 19:48:34,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 19:48:34,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 19:48:34,171 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 19:48:34,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 19:48:34,172 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 19:48:34,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 19:48:34,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 19:48:34,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 19:48:34,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 19:48:34,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 19:48:34,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 19:48:34,173 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 19:48:34,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 19:48:34,173 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 19:48:34,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 19:48:34,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 19:48:34,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 19:48:34,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 19:48:34,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 19:48:34,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:48:34,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 19:48:34,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 19:48:34,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 19:48:34,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 19:48:34,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 19:48:34,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 19:48:34,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 19:48:34,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 19:48:34,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 19:48:34,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 19:48:34,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 19:48:34,225 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 19:48:34,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2019-08-31 19:48:34,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e48bf41/0885b99bae0e4ad4a61ee2e6da4b6939/FLAG330759022 [2019-08-31 19:48:34,745 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 19:48:34,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2019-08-31 19:48:34,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e48bf41/0885b99bae0e4ad4a61ee2e6da4b6939/FLAG330759022 [2019-08-31 19:48:35,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e48bf41/0885b99bae0e4ad4a61ee2e6da4b6939 [2019-08-31 19:48:35,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 19:48:35,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 19:48:35,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 19:48:35,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 19:48:35,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 19:48:35,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d18f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35, skipping insertion in model container [2019-08-31 19:48:35,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,151 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 19:48:35,195 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 19:48:35,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:48:35,584 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 19:48:35,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:48:35,651 INFO L192 MainTranslator]: Completed translation [2019-08-31 19:48:35,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35 WrapperNode [2019-08-31 19:48:35,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 19:48:35,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 19:48:35,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 19:48:35,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 19:48:35,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35" (1/1) ... [2019-08-31 19:48:35,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 19:48:35,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 19:48:35,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 19:48:35,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 19:48:35,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:35" (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 [2019-08-31 19:48:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 19:48:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 19:48:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 19:48:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 19:48:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 19:48:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 19:48:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 19:48:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 19:48:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 19:48:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 19:48:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 19:48:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 19:48:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 19:48:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 19:48:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 19:48:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 19:48:35,775 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 19:48:35,775 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 19:48:35,775 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 19:48:35,775 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 19:48:35,775 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 19:48:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 19:48:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 19:48:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 19:48:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 19:48:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 19:48:36,364 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 19:48:36,364 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 19:48:36,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:48:36 BoogieIcfgContainer [2019-08-31 19:48:36,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 19:48:36,369 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 19:48:36,369 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 19:48:36,369 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 19:48:36,374 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:48:36" (1/1) ... [2019-08-31 19:48:36,424 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 19:48:36,425 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 19:48:36,439 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 19:48:36,447 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 19:48:36,448 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 19:48:36,579 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:36,585 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:36,586 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:36,598 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-31 19:48:36,599 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 19:48:36,755 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-31 19:48:36,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:48:36,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:36,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:36,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:36,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:36,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:36,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:36,788 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-31 19:48:36,789 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 19:48:36,940 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-31 19:48:36,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:48:36,942 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 19:48:36,942 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:121, output treesize:131 [2019-08-31 19:48:37,013 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 183 for LOIs [2019-08-31 19:48:37,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,736 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,746 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,751 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:37,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,173 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,228 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:38,229 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 46 for LOIs [2019-08-31 19:48:38,233 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 19:48:38,233 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 19:48:38,235 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 431#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (<= assert_~arg 1) (= (mod assert_~arg 256) 0) (<= |assert_#in~arg| 1) (or (and (or (and (or (<= ~r1~0 4) (<= 4 ~r1~0)) (< ~r1~0 4) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (<= 4 ~r1~0)) (and (not (<= 4 ~r1~0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)))) (and (or (<= ~r1~0 4) (<= 4 ~r1~0)) (not (< ~r1~0 4)) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (<= 4 ~r1~0)) (and (not (<= 4 ~r1~0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0))) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (<= 4 ~r1~0))) (= 1 |assert_#in~arg|)) (and (or (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (and (or (<= ~r1~0 4) (<= 4 ~r1~0)) (not (< ~r1~0 4)) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (<= 4 ~r1~0)) (and (not (<= 4 ~r1~0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0))) (<= 4 ~r1~0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1))) (and (not (<= 4 ~r1~0)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1))) (= 0 |assert_#in~arg|))) (<= 0 |assert_#in~arg|) (= ~nomsg~0 ~p4_new~0) (= assert_~arg |assert_#in~arg|) (= ~p3_new~0 ~nomsg~0) (<= 0 assert_~arg)) [2019-08-31 19:48:38,249 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 19:48:38,250 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 19:48:38,252 INFO L168 Benchmark]: Toolchain (without parser) took 3116.90 ms. Allocated memory was 130.5 MB in the beginning and 270.5 MB in the end (delta: 140.0 MB). Free memory was 86.0 MB in the beginning and 142.4 MB in the end (delta: -56.4 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:38,253 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 130.5 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 19:48:38,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.02 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 85.8 MB in the beginning and 171.2 MB in the end (delta: -85.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:38,254 INFO L168 Benchmark]: Boogie Preprocessor took 62.44 ms. Allocated memory is still 197.7 MB. Free memory was 171.2 MB in the beginning and 168.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:38,255 INFO L168 Benchmark]: RCFGBuilder took 652.85 ms. Allocated memory is still 197.7 MB. Free memory was 168.8 MB in the beginning and 133.6 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:38,256 INFO L168 Benchmark]: Sifa took 1880.83 ms. Allocated memory was 197.7 MB in the beginning and 270.5 MB in the end (delta: 72.9 MB). Free memory was 133.6 MB in the beginning and 142.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:38,260 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 130.5 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 517.02 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 85.8 MB in the beginning and 171.2 MB in the end (delta: -85.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.44 ms. Allocated memory is still 197.7 MB. Free memory was 171.2 MB in the beginning and 168.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 652.85 ms. Allocated memory is still 197.7 MB. Free memory was 168.8 MB in the beginning and 133.6 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Sifa took 1880.83 ms. Allocated memory was 197.7 MB in the beginning and 270.5 MB in the end (delta: 72.9 MB). Free memory was 133.6 MB in the beginning and 142.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.8s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 153 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 137 TOOLS_POST_APPLICATIONS, 0.6s TOOLS_POST_TIME, 15 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 13 TOOLS_POST_RETURN_APPLICATIONS, 0.3s TOOLS_POST_RETURN_TIME, 1.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 154 FLUID_QUERIES, 4 FLUID_YES_ANSWERS, 60 DOMAIN_JOIN_APPLICATIONS, 0.5s DOMAIN_JOIN_TIME, 4 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 1 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 50 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.1s LOOP_SUMMARIZER_OVERALL_TIME, 0.1s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 1 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 13 CALL_SUMMARIZER_APPLICATIONS, 8 CALL_SUMMARIZER_CACHE_MISSES, 1.2s CALL_SUMMARIZER_OVERALL_TIME, 1.2s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 339 DAG_COMPRESSION_PROCESSED_NODES, 175 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 395]: 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 431#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (<= assert_~arg 1) (= (mod assert_~arg 256) 0) (<= |assert_#in~arg| 1) (or (and (or (and (or (<= ~r1~0 4) (<= 4 ~r1~0)) (< ~r1~0 4) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (<= 4 ~r1~0)) (and (not (<= 4 ~r1~0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)))) (and (or (<= ~r1~0 4) (<= 4 ~r1~0)) (not (< ~r1~0 4)) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (<= 4 ~r1~0)) (and (not (<= 4 ~r1~0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0))) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (<= 4 ~r1~0))) (= 1 |assert_#in~arg|)) (and (or (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (and (or (<= ~r1~0 4) (<= 4 ~r1~0)) (not (< ~r1~0 4)) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (<= 4 ~r1~0)) (and (not (<= 4 ~r1~0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0))) (<= 4 ~r1~0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1))) (and (not (<= 4 ~r1~0)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1))) (= 0 |assert_#in~arg|))) (<= 0 |assert_#in~arg|) (= ~nomsg~0 ~p4_new~0) (= assert_~arg |assert_#in~arg|) (= ~p3_new~0 ~nomsg~0) (<= 0 assert_~arg)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...