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/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 23:33:46,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 23:33:46,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 23:33:46,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 23:33:46,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 23:33:46,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 23:33:46,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 23:33:46,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 23:33:46,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 23:33:46,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 23:33:46,242 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 23:33:46,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 23:33:46,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 23:33:46,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 23:33:46,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 23:33:46,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 23:33:46,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 23:33:46,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 23:33:46,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 23:33:46,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 23:33:46,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 23:33:46,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 23:33:46,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 23:33:46,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 23:33:46,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 23:33:46,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 23:33:46,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 23:33:46,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 23:33:46,269 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 23:33:46,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 23:33:46,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 23:33:46,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 23:33:46,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 23:33:46,285 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 23:33:46,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 23:33:46,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 23:33:46,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 23:33:46,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 23:33:46,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 23:33:46,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 23:33:46,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 23:33:46,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 23:33:46,287 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 23:33:46,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 23:33:46,287 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 23:33:46,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 23:33:46,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 23:33:46,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 23:33:46,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 23:33:46,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 23:33:46,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 23:33:46,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 23:33:46,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 23:33:46,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 23:33:46,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 23:33:46,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 23:33:46,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 23:33:46,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 23:33:46,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 23:33:46,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 23:33:46,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 23:33:46,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 23:33:46,352 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 23:33:46,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c [2019-08-22 23:33:46,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665953a83/4fd286e7460f4e75b3603cdbb343fffe/FLAGae6e71bb6 [2019-08-22 23:33:47,008 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 23:33:47,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c [2019-08-22 23:33:47,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665953a83/4fd286e7460f4e75b3603cdbb343fffe/FLAGae6e71bb6 [2019-08-22 23:33:47,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665953a83/4fd286e7460f4e75b3603cdbb343fffe [2019-08-22 23:33:47,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 23:33:47,223 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 23:33:47,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 23:33:47,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 23:33:47,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 23:33:47,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:33:47" (1/1) ... [2019-08-22 23:33:47,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b81388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:47, skipping insertion in model container [2019-08-22 23:33:47,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:33:47" (1/1) ... [2019-08-22 23:33:47,238 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 23:33:47,318 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 23:33:47,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 23:33:47,996 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 23:33:48,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 23:33:48,134 INFO L192 MainTranslator]: Completed translation [2019-08-22 23:33:48,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48 WrapperNode [2019-08-22 23:33:48,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 23:33:48,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 23:33:48,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 23:33:48,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 23:33:48,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48" (1/1) ... [2019-08-22 23:33:48,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48" (1/1) ... [2019-08-22 23:33:48,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48" (1/1) ... [2019-08-22 23:33:48,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48" (1/1) ... [2019-08-22 23:33:48,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48" (1/1) ... [2019-08-22 23:33:48,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48" (1/1) ... [2019-08-22 23:33:48,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48" (1/1) ... [2019-08-22 23:33:48,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 23:33:48,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 23:33:48,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 23:33:48,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 23:33:48,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:33:48" (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 23:33:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 23:33:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 23:33:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-22 23:33:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-22 23:33:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-22 23:33:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-22 23:33:48,411 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-22 23:33:48,411 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-22 23:33:48,411 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-22 23:33:48,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 23:33:48,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-22 23:33:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 23:33:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 23:33:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-22 23:33:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 23:33:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 23:33:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 23:33:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 23:33:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 23:33:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 23:33:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 23:33:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 23:33:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-22 23:33:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-22 23:33:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 23:33:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 23:33:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 23:33:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 23:33:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 23:33:50,802 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 23:33:50,802 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 23:33:50,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:33:50 BoogieIcfgContainer [2019-08-22 23:33:50,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 23:33:50,804 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 23:33:50,805 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 23:33:50,805 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 23:33:50,806 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:33:50" (1/1) ... [2019-08-22 23:33:50,820 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 23:33:50,823 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 23:33:50,835 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 23:33:50,844 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 23:33:50,845 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 23:33:50,968 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:33:50,974 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:33:50,975 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:33:50,976 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:33:51,000 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 23:33:51,001 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 23:33:51,920 WARN L188 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2019-08-22 23:33:51,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 23:33:51,947 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,949 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,958 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:33:51,962 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 23:33:51,962 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 23:33:52,723 WARN L188 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2019-08-22 23:33:52,724 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 23:33:52,725 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 23:33:52,725 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:400, output treesize:414 [2019-08-22 23:33:52,830 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 636