java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 23:49:02,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 23:49:02,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 23:49:02,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 23:49:02,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 23:49:02,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 23:49:02,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 23:49:02,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 23:49:02,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 23:49:02,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 23:49:02,997 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 23:49:02,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 23:49:02,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 23:49:02,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 23:49:03,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 23:49:03,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 23:49:03,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 23:49:03,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 23:49:03,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 23:49:03,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 23:49:03,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 23:49:03,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 23:49:03,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 23:49:03,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 23:49:03,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 23:49:03,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 23:49:03,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 23:49:03,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 23:49:03,021 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 23:49:03,035 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 23:49:03,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 23:49:03,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 23:49:03,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 23:49:03,037 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 23:49:03,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 23:49:03,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 23:49:03,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 23:49:03,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 23:49:03,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 23:49:03,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 23:49:03,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 23:49:03,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 23:49:03,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 23:49:03,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 23:49:03,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 23:49:03,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 23:49:03,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 23:49:03,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 23:49:03,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 23:49:03,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 23:49:03,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 23:49:03,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 23:49:03,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 23:49:03,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 23:49:03,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 23:49:03,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 23:49:03,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 23:49:03,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 23:49:03,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 23:49:03,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 23:49:03,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 23:49:03,086 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 23:49:03,087 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 23:49:03,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2019-08-22 23:49:03,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03546f49d/8994e68be56e496990cd00e1df6a9c20/FLAGd11599ea2 [2019-08-22 23:49:03,688 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 23:49:03,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2019-08-22 23:49:03,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03546f49d/8994e68be56e496990cd00e1df6a9c20/FLAGd11599ea2 [2019-08-22 23:49:03,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03546f49d/8994e68be56e496990cd00e1df6a9c20 [2019-08-22 23:49:04,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 23:49:04,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 23:49:04,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 23:49:04,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 23:49:04,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 23:49:04,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:49:03" (1/1) ... [2019-08-22 23:49:04,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4600d795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:04, skipping insertion in model container [2019-08-22 23:49:04,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:49:03" (1/1) ... [2019-08-22 23:49:04,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 23:49:04,103 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 23:49:04,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 23:49:04,660 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 23:49:05,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 23:49:05,149 INFO L192 MainTranslator]: Completed translation [2019-08-22 23:49:05,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05 WrapperNode [2019-08-22 23:49:05,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 23:49:05,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 23:49:05,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 23:49:05,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 23:49:05,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05" (1/1) ... [2019-08-22 23:49:05,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05" (1/1) ... [2019-08-22 23:49:05,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05" (1/1) ... [2019-08-22 23:49:05,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05" (1/1) ... [2019-08-22 23:49:05,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05" (1/1) ... [2019-08-22 23:49:05,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05" (1/1) ... [2019-08-22 23:49:05,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05" (1/1) ... [2019-08-22 23:49:05,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 23:49:05,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 23:49:05,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 23:49:05,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 23:49:05,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:05" (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 23:49:05,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 23:49:05,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 23:49:05,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 23:49:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 23:49:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 23:49:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 23:49:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 23:49:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 23:49:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 23:49:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 23:49:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 23:49:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 23:49:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 23:49:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-22 23:49:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-22 23:49:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 23:49:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 23:49:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 23:49:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 23:49:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 23:49:06,901 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 23:49:06,903 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 23:49:06,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:49:06 BoogieIcfgContainer [2019-08-22 23:49:06,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 23:49:06,905 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 23:49:06,905 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 23:49:06,905 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 23:49:06,906 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:49:06" (1/1) ... [2019-08-22 23:49:06,919 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 23:49:06,922 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 23:49:06,931 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 23:49:06,939 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 23:49:06,941 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 23:49:07,061 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:49:07,062 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:49:07,062 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:49:07,063 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:49:07,074 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2019-08-22 23:49:07,075 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 23:49:07,333 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-08-22 23:49:07,334 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 23:49:07,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:07,365 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2019-08-22 23:49:07,366 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 23:49:07,644 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-22 23:49:07,645 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 23:49:07,646 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 23:49:07,647 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:187, output treesize:201 [2019-08-22 23:49:07,736 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 280