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_floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 01:42:19,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 01:42:19,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 01:42:19,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 01:42:19,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 01:42:19,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 01:42:19,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 01:42:19,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 01:42:19,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 01:42:19,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 01:42:19,930 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 01:42:19,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 01:42:19,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 01:42:19,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 01:42:19,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 01:42:19,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 01:42:19,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 01:42:19,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 01:42:19,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 01:42:19,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 01:42:19,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 01:42:19,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 01:42:19,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 01:42:19,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 01:42:19,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 01:42:19,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 01:42:19,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 01:42:19,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 01:42:19,983 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 01:42:19,997 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 01:42:19,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 01:42:19,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 01:42:19,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 01:42:19,999 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 01:42:20,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 01:42:20,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 01:42:20,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 01:42:20,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 01:42:20,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 01:42:20,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 01:42:20,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 01:42:20,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 01:42:20,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 01:42:20,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 01:42:20,001 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 01:42:20,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 01:42:20,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 01:42:20,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 01:42:20,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 01:42:20,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 01:42:20,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 01:42:20,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 01:42:20,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 01:42:20,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 01:42:20,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 01:42:20,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 01:42:20,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 01:42:20,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 01:42:20,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 01:42:20,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 01:42:20,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 01:42:20,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 01:42:20,052 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 01:42:20,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-08-22 01:42:20,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a99255ff/05d2929e44ea40b19c6c92b8ff2bb281/FLAG591037167 [2019-08-22 01:42:20,743 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 01:42:20,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-08-22 01:42:20,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a99255ff/05d2929e44ea40b19c6c92b8ff2bb281/FLAG591037167 [2019-08-22 01:42:20,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a99255ff/05d2929e44ea40b19c6c92b8ff2bb281 [2019-08-22 01:42:21,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 01:42:21,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 01:42:21,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 01:42:21,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 01:42:21,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 01:42:21,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f558d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21, skipping insertion in model container [2019-08-22 01:42:21,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,027 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 01:42:21,098 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 01:42:21,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:42:21,665 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 01:42:21,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:42:21,852 INFO L192 MainTranslator]: Completed translation [2019-08-22 01:42:21,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21 WrapperNode [2019-08-22 01:42:21,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 01:42:21,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 01:42:21,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 01:42:21,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 01:42:21,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21" (1/1) ... [2019-08-22 01:42:21,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 01:42:21,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 01:42:21,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 01:42:21,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 01:42:21,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:42:21" (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 01:42:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 01:42:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 01:42:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 01:42:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 01:42:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 01:42:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 01:42:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 01:42:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 01:42:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 01:42:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 01:42:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 01:42:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 01:42:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 01:42:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 01:42:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 01:42:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 01:42:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 01:42:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 01:42:23,722 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 01:42:23,723 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 01:42:23,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:42:23 BoogieIcfgContainer [2019-08-22 01:42:23,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 01:42:23,726 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 01:42:23,726 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 01:42:23,726 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 01:42:23,727 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:42:23" (1/1) ... [2019-08-22 01:42:23,750 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 01:42:23,764 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 01:42:23,783 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 01:42:23,794 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 01:42:23,795 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 01:42:23,941 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:42:23,942 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:42:23,956 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-22 01:42:23,957 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 01:42:24,220 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-22 01:42:24,221 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:42:24,237 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:42:24,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:42:24,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:42:24,242 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 12 treesize of output 16 [2019-08-22 01:42:24,243 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 01:42:24,543 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-08-22 01:42:24,543 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:42:24,544 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 01:42:24,545 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:196 [2019-08-22 01:42:24,628 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 263 [2019-08-22 01:42:57,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:00,791 WARN L188 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 343 DAG size of output: 316 [2019-08-22 01:43:00,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:03,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:05,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:08,686 WARN L188 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 343 DAG size of output: 316 [2019-08-22 01:43:08,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:10,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:14,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:17,387 WARN L188 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 343 DAG size of output: 316 [2019-08-22 01:43:17,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:19,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 01:43:20,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms