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_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-09-01 00:56:49,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-01 00:56:49,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-01 00:56:49,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-01 00:56:49,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-01 00:56:49,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-01 00:56:49,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-01 00:56:49,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-01 00:56:49,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-01 00:56:49,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-01 00:56:49,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-01 00:56:49,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-01 00:56:49,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-01 00:56:49,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-01 00:56:49,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-01 00:56:49,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-01 00:56:49,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-01 00:56:49,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-01 00:56:49,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-01 00:56:49,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-01 00:56:49,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-01 00:56:49,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-01 00:56:49,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-01 00:56:49,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-01 00:56:49,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-01 00:56:49,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-01 00:56:49,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-01 00:56:49,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-01 00:56:49,476 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 [2019-09-01 00:56:49,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-01 00:56:49,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-01 00:56:49,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-01 00:56:49,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-01 00:56:49,500 INFO L138 SettingsManager]: * Use SBE=true [2019-09-01 00:56:49,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-01 00:56:49,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-01 00:56:49,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-01 00:56:49,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-01 00:56:49,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-01 00:56:49,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-01 00:56:49,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-01 00:56:49,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-01 00:56:49,503 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-01 00:56:49,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-01 00:56:49,504 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-01 00:56:49,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-01 00:56:49,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-01 00:56:49,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-01 00:56:49,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-01 00:56:49,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-01 00:56:49,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-01 00:56:49,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-01 00:56:49,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-01 00:56:49,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-01 00:56:49,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-01 00:56:49,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-01 00:56:49,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-01 00:56:49,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-01 00:56:49,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-01 00:56:49,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-01 00:56:49,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-01 00:56:49,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-01 00:56:49,582 INFO L275 PluginConnector]: CDTParser initialized [2019-09-01 00:56:49,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2019-09-01 00:56:49,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1965cec/eab72b18989042fa817f09fccfed6105/FLAGc09a10404 [2019-09-01 00:56:50,373 INFO L306 CDTParser]: Found 1 translation units. [2019-09-01 00:56:50,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2019-09-01 00:56:50,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1965cec/eab72b18989042fa817f09fccfed6105/FLAGc09a10404 [2019-09-01 00:56:50,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1965cec/eab72b18989042fa817f09fccfed6105 [2019-09-01 00:56:50,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-01 00:56:50,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-01 00:56:50,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-01 00:56:50,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-01 00:56:50,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-01 00:56:50,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:56:50" (1/1) ... [2019-09-01 00:56:50,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ab68a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:50, skipping insertion in model container [2019-09-01 00:56:50,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:56:50" (1/1) ... [2019-09-01 00:56:50,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-01 00:56:50,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-01 00:56:51,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:56:51,967 INFO L188 MainTranslator]: Completed pre-run [2019-09-01 00:56:53,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:56:53,077 INFO L192 MainTranslator]: Completed translation [2019-09-01 00:56:53,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53 WrapperNode [2019-09-01 00:56:53,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-01 00:56:53,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-01 00:56:53,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-01 00:56:53,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-01 00:56:53,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53" (1/1) ... [2019-09-01 00:56:53,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53" (1/1) ... [2019-09-01 00:56:53,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53" (1/1) ... [2019-09-01 00:56:53,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53" (1/1) ... [2019-09-01 00:56:53,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53" (1/1) ... [2019-09-01 00:56:53,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53" (1/1) ... [2019-09-01 00:56:53,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53" (1/1) ... [2019-09-01 00:56:53,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-01 00:56:53,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-01 00:56:53,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-01 00:56:53,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-01 00:56:53,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:56:53" (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 [2019-09-01 00:56:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-01 00:56:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-01 00:56:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-01 00:56:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-01 00:56:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-01 00:56:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-01 00:56:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-01 00:56:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-01 00:56:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-01 00:56:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-01 00:56:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-01 00:56:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-01 00:56:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-01 00:56:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-01 00:56:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-01 00:56:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-01 00:56:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-01 00:56:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-01 00:56:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-01 00:56:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-01 00:56:57,369 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-01 00:56:57,370 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-01 00:56:57,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:56:57 BoogieIcfgContainer [2019-09-01 00:56:57,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-01 00:56:57,372 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-01 00:56:57,372 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-01 00:56:57,373 INFO L275 PluginConnector]: Sifa initialized [2019-09-01 00:56:57,374 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:56:57" (1/1) ... [2019-09-01 00:56:57,420 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-01 00:56:57,421 INFO L169 IcfgInterpreter]: Building call graph [2019-09-01 00:56:57,433 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-01 00:56:57,441 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-01 00:56:57,443 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-01 00:56:57,660 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:56:57,661 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:56:57,663 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:56:57,665 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:56:57,681 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 [2019-09-01 00:56:57,682 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-01 00:56:58,698 WARN L188 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 294 [2019-09-01 00:56:58,699 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:56:58,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:56:58,755 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 [2019-09-01 00:56:58,756 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-01 00:56:59,636 WARN L188 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-01 00:56:59,637 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:56:59,638 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-09-01 00:56:59,639 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:424, output treesize:438 [2019-09-01 00:56:59,711 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 670 for LOIs