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+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 01:58:15,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 01:58:15,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 01:58:15,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 01:58:15,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 01:58:15,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 01:58:15,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 01:58:15,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 01:58:15,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 01:58:15,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 01:58:15,773 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 01:58:15,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 01:58:15,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 01:58:15,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 01:58:15,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 01:58:15,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 01:58:15,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 01:58:15,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 01:58:15,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 01:58:15,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 01:58:15,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 01:58:15,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 01:58:15,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 01:58:15,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 01:58:15,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 01:58:15,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 01:58:15,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 01:58:15,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 01:58:15,797 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 [2019-08-22 01:58:15,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 01:58:15,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 01:58:15,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 01:58:15,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 01:58:15,819 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 01:58:15,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 01:58:15,819 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 01:58:15,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 01:58:15,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 01:58:15,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 01:58:15,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 01:58:15,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 01:58:15,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 01:58:15,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 01:58:15,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 01:58:15,822 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 01:58:15,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 01:58:15,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 01:58:15,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 01:58:15,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 01:58:15,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 01:58:15,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 01:58:15,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 01:58:15,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 01:58:15,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 01:58:15,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 01:58:15,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 01:58:15,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 01:58:15,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 01:58:15,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 01:58:15,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 01:58:15,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 01:58:15,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 01:58:15,899 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 01:58:15,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-22 01:58:15,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ee6a8ed/ad5d75092a804bdf9f91d48787e2d7d9/FLAGf6a936c98 [2019-08-22 01:58:16,796 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 01:58:16,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-22 01:58:16,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ee6a8ed/ad5d75092a804bdf9f91d48787e2d7d9/FLAGf6a936c98 [2019-08-22 01:58:17,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ee6a8ed/ad5d75092a804bdf9f91d48787e2d7d9 [2019-08-22 01:58:17,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 01:58:17,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 01:58:17,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 01:58:17,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 01:58:17,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 01:58:17,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:58:17" (1/1) ... [2019-08-22 01:58:17,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5e4ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:17, skipping insertion in model container [2019-08-22 01:58:17,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:58:17" (1/1) ... [2019-08-22 01:58:17,354 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 01:58:17,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 01:58:19,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:58:19,372 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 01:58:20,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:58:20,576 INFO L192 MainTranslator]: Completed translation [2019-08-22 01:58:20,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20 WrapperNode [2019-08-22 01:58:20,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 01:58:20,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 01:58:20,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 01:58:20,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 01:58:20,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20" (1/1) ... [2019-08-22 01:58:20,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20" (1/1) ... [2019-08-22 01:58:20,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20" (1/1) ... [2019-08-22 01:58:20,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20" (1/1) ... [2019-08-22 01:58:20,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20" (1/1) ... [2019-08-22 01:58:20,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20" (1/1) ... [2019-08-22 01:58:20,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20" (1/1) ... [2019-08-22 01:58:20,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 01:58:20,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 01:58:20,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 01:58:20,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 01:58:20,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:58:20" (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 [2019-08-22 01:58:20,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 01:58:20,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 01:58:20,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 01:58:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 01:58:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 01:58:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 01:58:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-22 01:58:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 01:58:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 01:58:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 01:58:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 01:58:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 01:58:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 01:58:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 01:58:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-22 01:58:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-22 01:58:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-22 01:58:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 01:58:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 01:58:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 01:58:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 01:58:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 01:58:26,655 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 01:58:26,655 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 01:58:26,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:58:26 BoogieIcfgContainer [2019-08-22 01:58:26,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 01:58:26,659 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 01:58:26,659 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 01:58:26,659 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 01:58:26,660 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:58:26" (1/1) ... [2019-08-22 01:58:26,674 INFO L148 IcfgInterpreter]: Started Sifa with 22 locations of interest [2019-08-22 01:58:26,676 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 01:58:26,693 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 01:58:26,701 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 01:58:26,703 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 01:58:26,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,851 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:58:26,887 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 [2019-08-22 01:58:26,888 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 01:58:28,294 WARN L188 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 348 [2019-08-22 01:58:28,295 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:58:28,338 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:58:28,339 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:58:28,340 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:58:28,340 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:58:28,341 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:58:28,346 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 [2019-08-22 01:58:28,346 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 01:58:29,547 WARN L188 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 352 [2019-08-22 01:58:29,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:58:29,550 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 01:58:29,551 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:502, output treesize:520 [2019-08-22 01:58:29,649 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 753 [2019-08-22 01:59:17,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms