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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 21:50:08,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 21:50:08,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 21:50:08,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 21:50:08,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 21:50:08,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 21:50:08,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 21:50:08,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 21:50:08,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 21:50:08,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 21:50:08,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 21:50:08,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 21:50:08,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 21:50:08,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 21:50:08,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 21:50:08,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 21:50:08,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 21:50:08,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 21:50:08,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 21:50:08,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 21:50:08,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 21:50:08,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 21:50:08,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 21:50:08,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 21:50:08,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 21:50:08,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 21:50:08,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 21:50:08,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 21:50:08,420 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 [2019-08-31 21:50:08,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 21:50:08,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 21:50:08,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 21:50:08,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 21:50:08,437 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 21:50:08,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 21:50:08,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 21:50:08,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 21:50:08,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 21:50:08,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 21:50:08,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 21:50:08,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 21:50:08,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 21:50:08,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 21:50:08,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 21:50:08,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 21:50:08,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 21:50:08,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 21:50:08,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 21:50:08,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 21:50:08,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 21:50:08,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 21:50:08,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 21:50:08,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 21:50:08,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 21:50:08,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 21:50:08,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 21:50:08,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 21:50:08,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 21:50:08,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 21:50:08,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 21:50:08,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 21:50:08,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 21:50:08,489 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 21:50:08,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-31 21:50:08,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e420ef6d0/6cdb15341829429fa568478bd01a817d/FLAG785716e3c [2019-08-31 21:50:09,254 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 21:50:09,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-31 21:50:09,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e420ef6d0/6cdb15341829429fa568478bd01a817d/FLAG785716e3c [2019-08-31 21:50:09,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e420ef6d0/6cdb15341829429fa568478bd01a817d [2019-08-31 21:50:09,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 21:50:09,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 21:50:09,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 21:50:09,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 21:50:09,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 21:50:09,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:09" (1/1) ... [2019-08-31 21:50:09,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7f950e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:09, skipping insertion in model container [2019-08-31 21:50:09,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:09" (1/1) ... [2019-08-31 21:50:09,392 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 21:50:09,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 21:50:11,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 21:50:11,152 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 21:50:12,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 21:50:12,422 INFO L192 MainTranslator]: Completed translation [2019-08-31 21:50:12,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12 WrapperNode [2019-08-31 21:50:12,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 21:50:12,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 21:50:12,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 21:50:12,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 21:50:12,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12" (1/1) ... [2019-08-31 21:50:12,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12" (1/1) ... [2019-08-31 21:50:12,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12" (1/1) ... [2019-08-31 21:50:12,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12" (1/1) ... [2019-08-31 21:50:12,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12" (1/1) ... [2019-08-31 21:50:12,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12" (1/1) ... [2019-08-31 21:50:12,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12" (1/1) ... [2019-08-31 21:50:12,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 21:50:12,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 21:50:12,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 21:50:12,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 21:50:12,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:12" (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 [2019-08-31 21:50:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 21:50:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 21:50:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 21:50:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 21:50:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 21:50:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-31 21:50:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 21:50:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 21:50:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 21:50:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 21:50:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 21:50:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 21:50:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 21:50:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 21:50:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 21:50:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 21:50:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 21:50:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 21:50:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 21:50:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 21:50:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 21:50:16,573 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 21:50:16,574 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 21:50:16,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:16 BoogieIcfgContainer [2019-08-31 21:50:16,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 21:50:16,576 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 21:50:16,576 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 21:50:16,577 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 21:50:16,578 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:16" (1/1) ... [2019-08-31 21:50:16,623 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-31 21:50:16,623 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 21:50:16,644 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 21:50:16,656 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 21:50:16,658 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 21:50:16,926 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:50:16,927 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:50:16,929 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:50:16,931 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:50:16,946 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 [2019-08-31 21:50:16,947 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 21:50:17,931 WARN L188 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2019-08-31 21:50:17,932 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 21:50:17,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:50:17,992 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 [2019-08-31 21:50:17,993 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 21:50:18,817 WARN L188 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2019-08-31 21:50:18,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 21:50:18,818 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 21:50:18,819 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:415, output treesize:429 [2019-08-31 21:50:18,921 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 658 for LOIs