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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 11:33:12,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 11:33:12,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 11:33:12,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 11:33:12,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 11:33:12,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 11:33:12,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 11:33:12,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 11:33:12,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 11:33:12,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 11:33:12,268 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 11:33:12,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 11:33:12,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 11:33:12,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 11:33:12,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 11:33:12,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 11:33:12,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 11:33:12,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 11:33:12,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 11:33:12,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 11:33:12,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 11:33:12,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 11:33:12,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 11:33:12,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 11:33:12,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 11:33:12,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 11:33:12,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 11:33:12,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 11:33:12,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 11:33:12,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 11:33:12,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 11:33:12,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 11:33:12,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 11:33:12,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 11:33:12,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 11:33:12,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 11:33:12,293 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 11:33:12,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 11:33:12,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 11:33:12,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 11:33:12,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 11:33:12,309 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 11:33:12,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 11:33:12,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 11:33:12,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 11:33:12,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 11:33:12,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 11:33:12,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 11:33:12,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 11:33:12,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 11:33:12,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 11:33:12,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 11:33:12,311 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 11:33:12,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 11:33:12,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 11:33:12,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 11:33:12,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 11:33:12,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 11:33:12,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 11:33:12,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 11:33:12,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 11:33:12,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 11:33:12,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 11:33:12,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 11:33:12,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 11:33:12,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 11:33:12,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 11:33:12,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 11:33:12,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 11:33:12,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 11:33:12,359 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 11:33:12,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-18 11:33:12,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8060ede85/294b80c7d2e143fa8122e7180b305b33/FLAG93b7e3182 [2019-08-18 11:33:13,229 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 11:33:13,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-18 11:33:13,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8060ede85/294b80c7d2e143fa8122e7180b305b33/FLAG93b7e3182 [2019-08-18 11:33:13,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8060ede85/294b80c7d2e143fa8122e7180b305b33 [2019-08-18 11:33:13,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 11:33:13,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 11:33:13,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 11:33:13,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 11:33:13,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 11:33:13,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:33:13" (1/1) ... [2019-08-18 11:33:13,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32365b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:13, skipping insertion in model container [2019-08-18 11:33:13,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:33:13" (1/1) ... [2019-08-18 11:33:13,366 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 11:33:13,615 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 11:33:15,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:33:15,609 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 11:33:16,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:33:16,676 INFO L192 MainTranslator]: Completed translation [2019-08-18 11:33:16,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16 WrapperNode [2019-08-18 11:33:16,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 11:33:16,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 11:33:16,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 11:33:16,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 11:33:16,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16" (1/1) ... [2019-08-18 11:33:16,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16" (1/1) ... [2019-08-18 11:33:16,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16" (1/1) ... [2019-08-18 11:33:16,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16" (1/1) ... [2019-08-18 11:33:16,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16" (1/1) ... [2019-08-18 11:33:17,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16" (1/1) ... [2019-08-18 11:33:17,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16" (1/1) ... [2019-08-18 11:33:17,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 11:33:17,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 11:33:17,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 11:33:17,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 11:33:17,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:33:16" (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 11:33:17,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 11:33:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 11:33:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 11:33:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 11:33:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 11:33:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 11:33:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-18 11:33:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 11:33:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 11:33:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 11:33:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 11:33:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 11:33:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 11:33:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 11:33:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 11:33:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 11:33:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 11:33:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 11:33:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 11:33:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 11:33:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 11:33:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 11:33:23,631 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 11:33:23,632 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 11:33:23,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:33:23 BoogieIcfgContainer [2019-08-18 11:33:23,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 11:33:23,638 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 11:33:23,638 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 11:33:23,639 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 11:33:23,640 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:33:23" (1/1) ... [2019-08-18 11:33:23,668 INFO L148 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-08-18 11:33:23,675 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 11:33:23,709 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 11:33:23,721 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 11:33:23,723 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 11:33:23,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:23,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:33:24,005 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 11:33:24,006 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 11:33:25,369 WARN L188 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 348 [2019-08-18 11:33:25,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:33:25,419 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:33:25,420 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:33:25,421 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:33:25,421 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:33:25,422 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:33:25,426 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 11:33:25,426 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 11:33:26,677 WARN L188 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 352 [2019-08-18 11:33:26,678 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:33:26,679 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 11:33:26,679 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:502, output treesize:520 [2019-08-18 11:33:26,747 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 642