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.6.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 11:36:50,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 11:36:50,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 11:36:50,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 11:36:50,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 11:36:50,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 11:36:50,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 11:36:50,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 11:36:50,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 11:36:50,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 11:36:50,170 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 11:36:50,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 11:36:50,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 11:36:50,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 11:36:50,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 11:36:50,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 11:36:50,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 11:36:50,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 11:36:50,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 11:36:50,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 11:36:50,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 11:36:50,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 11:36:50,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 11:36:50,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 11:36:50,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 11:36:50,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 11:36:50,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 11:36:50,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 11:36:50,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 11:36:50,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 11:36:50,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 11:36:50,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 11:36:50,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 11:36:50,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 11:36:50,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 11:36:50,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 11:36:50,199 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 11:36:50,213 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 11:36:50,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 11:36:50,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 11:36:50,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 11:36:50,215 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 11:36:50,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 11:36:50,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 11:36:50,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 11:36:50,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 11:36:50,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 11:36:50,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 11:36:50,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 11:36:50,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 11:36:50,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 11:36:50,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 11:36:50,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 11:36:50,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 11:36:50,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 11:36:50,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 11:36:50,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 11:36:50,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 11:36:50,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 11:36:50,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 11:36:50,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 11:36:50,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 11:36:50,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 11:36:50,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 11:36:50,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 11:36:50,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 11:36:50,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 11:36:50,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 11:36:50,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 11:36:50,266 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 11:36:50,266 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 11:36:50,267 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-08-18 11:36:50,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75090f41/a2921e70feb3433bbbd50d1ea8fea2b1/FLAGeec039a1e [2019-08-18 11:36:50,809 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 11:36:50,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-08-18 11:36:50,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75090f41/a2921e70feb3433bbbd50d1ea8fea2b1/FLAGeec039a1e [2019-08-18 11:36:51,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75090f41/a2921e70feb3433bbbd50d1ea8fea2b1 [2019-08-18 11:36:51,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 11:36:51,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 11:36:51,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 11:36:51,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 11:36:51,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 11:36:51,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24faff41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51, skipping insertion in model container [2019-08-18 11:36:51,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,165 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 11:36:51,211 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 11:36:51,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:36:51,602 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 11:36:51,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:36:51,735 INFO L192 MainTranslator]: Completed translation [2019-08-18 11:36:51,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51 WrapperNode [2019-08-18 11:36:51,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 11:36:51,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 11:36:51,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 11:36:51,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 11:36:51,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51" (1/1) ... [2019-08-18 11:36:51,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 11:36:51,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 11:36:51,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 11:36:51,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 11:36:51,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:36:51" (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 11:36:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 11:36:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 11:36:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 11:36:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 11:36:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 11:36:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 11:36:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-18 11:36:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 11:36:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 11:36:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 11:36:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 11:36:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 11:36:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 11:36:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 11:36:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 11:36:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 11:36:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 11:36:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 11:36:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 11:36:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 11:36:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 11:36:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 11:36:52,594 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 11:36:52,595 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 11:36:52,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:36:52 BoogieIcfgContainer [2019-08-18 11:36:52,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 11:36:52,597 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 11:36:52,597 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 11:36:52,597 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 11:36:52,598 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:36:52" (1/1) ... [2019-08-18 11:36:52,610 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 11:36:52,613 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 11:36:52,621 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 11:36:52,629 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 11:36:52,631 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 11:36:52,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,776 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,795 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:36:52,811 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 11:36:52,812 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 11:36:53,119 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-08-18 11:36:53,120 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:36:53,135 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:36:53,136 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:36:53,137 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:36:53,139 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:36:53,140 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:36:53,149 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 11:36:53,150 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 11:36:53,391 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-08-18 11:36:53,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:36:53,392 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 11:36:53,393 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:184, output treesize:202 [2019-08-18 11:36:53,455 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 218