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.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-09-01 00:09:02,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-01 00:09:02,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-01 00:09:02,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-01 00:09:02,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-01 00:09:02,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-01 00:09:02,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-01 00:09:02,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-01 00:09:02,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-01 00:09:02,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-01 00:09:02,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-01 00:09:02,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-01 00:09:02,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-01 00:09:02,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-01 00:09:02,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-01 00:09:02,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-01 00:09:02,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-01 00:09:02,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-01 00:09:02,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-01 00:09:02,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-01 00:09:02,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-01 00:09:02,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-01 00:09:02,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-01 00:09:02,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-01 00:09:02,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-01 00:09:02,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-01 00:09:02,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-01 00:09:02,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-01 00:09:02,739 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 00:09:02,769 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-01 00:09:02,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-01 00:09:02,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-01 00:09:02,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-01 00:09:02,771 INFO L138 SettingsManager]: * Use SBE=true [2019-09-01 00:09:02,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-01 00:09:02,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-01 00:09:02,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-01 00:09:02,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-01 00:09:02,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-01 00:09:02,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-01 00:09:02,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-01 00:09:02,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-01 00:09:02,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-01 00:09:02,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-01 00:09:02,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-01 00:09:02,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-01 00:09:02,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-01 00:09:02,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-01 00:09:02,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-01 00:09:02,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-01 00:09:02,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-01 00:09:02,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-01 00:09:02,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-01 00:09:02,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-01 00:09:02,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-01 00:09:02,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-01 00:09:02,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-01 00:09:02,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-01 00:09:02,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-01 00:09:02,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-01 00:09:02,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-01 00:09:02,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-01 00:09:02,846 INFO L275 PluginConnector]: CDTParser initialized [2019-09-01 00:09:02,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-01 00:09:02,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0e4ea2c/81c41fb0cf4d4b0480393d282dd59244/FLAG94cca4ec6 [2019-09-01 00:09:03,440 INFO L306 CDTParser]: Found 1 translation units. [2019-09-01 00:09:03,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-01 00:09:03,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0e4ea2c/81c41fb0cf4d4b0480393d282dd59244/FLAG94cca4ec6 [2019-09-01 00:09:03,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0e4ea2c/81c41fb0cf4d4b0480393d282dd59244 [2019-09-01 00:09:03,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-01 00:09:03,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-01 00:09:03,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-01 00:09:03,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-01 00:09:03,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-01 00:09:03,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:09:03" (1/1) ... [2019-09-01 00:09:03,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f749f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:03, skipping insertion in model container [2019-09-01 00:09:03,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:09:03" (1/1) ... [2019-09-01 00:09:03,779 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-01 00:09:03,850 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-01 00:09:04,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:09:04,320 INFO L188 MainTranslator]: Completed pre-run [2019-09-01 00:09:04,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:09:04,489 INFO L192 MainTranslator]: Completed translation [2019-09-01 00:09:04,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04 WrapperNode [2019-09-01 00:09:04,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-01 00:09:04,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-01 00:09:04,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-01 00:09:04,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-01 00:09:04,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04" (1/1) ... [2019-09-01 00:09:04,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04" (1/1) ... [2019-09-01 00:09:04,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04" (1/1) ... [2019-09-01 00:09:04,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04" (1/1) ... [2019-09-01 00:09:04,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04" (1/1) ... [2019-09-01 00:09:04,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04" (1/1) ... [2019-09-01 00:09:04,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04" (1/1) ... [2019-09-01 00:09:04,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-01 00:09:04,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-01 00:09:04,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-01 00:09:04,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-01 00:09:04,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:09:04" (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 00:09:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-01 00:09:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-01 00:09:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-01 00:09:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-01 00:09:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-01 00:09:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-01 00:09:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-01 00:09:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-01 00:09:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-01 00:09:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-01 00:09:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-01 00:09:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-01 00:09:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-01 00:09:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-01 00:09:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-01 00:09:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-01 00:09:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-01 00:09:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-09-01 00:09:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-01 00:09:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-01 00:09:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-01 00:09:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-01 00:09:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-01 00:09:05,733 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-01 00:09:05,733 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-01 00:09:05,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:09:05 BoogieIcfgContainer [2019-09-01 00:09:05,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-01 00:09:05,735 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-01 00:09:05,735 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-01 00:09:05,736 INFO L275 PluginConnector]: Sifa initialized [2019-09-01 00:09:05,737 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:09:05" (1/1) ... [2019-09-01 00:09:05,792 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-01 00:09:05,793 INFO L169 IcfgInterpreter]: Building call graph [2019-09-01 00:09:05,803 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-01 00:09:05,812 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-01 00:09:05,813 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-01 00:09:05,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:05,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:05,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:05,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:05,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:05,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:05,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:05,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:09:06,053 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 42 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2019-09-01 00:09:06,054 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-01 00:09:06,385 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-01 00:09:06,386 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:09:06,417 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:09:06,418 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:09:06,419 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:09:06,420 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:09:06,420 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:09:06,422 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:09:06,428 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2019-09-01 00:09:06,429 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-01 00:09:06,792 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-01 00:09:06,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:09:06,793 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-09-01 00:09:06,794 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:214, output treesize:236 [2019-09-01 00:09:06,874 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 324 for LOIs