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.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-09-01 00:01:24,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-01 00:01:24,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-01 00:01:24,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-01 00:01:24,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-01 00:01:24,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-01 00:01:24,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-01 00:01:24,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-01 00:01:24,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-01 00:01:24,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-01 00:01:24,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-01 00:01:24,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-01 00:01:24,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-01 00:01:24,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-01 00:01:24,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-01 00:01:24,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-01 00:01:24,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-01 00:01:24,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-01 00:01:24,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-01 00:01:24,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-01 00:01:24,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-01 00:01:24,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-01 00:01:24,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-01 00:01:24,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-01 00:01:24,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-01 00:01:24,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-01 00:01:24,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-01 00:01:24,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-01 00:01:24,092 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 00:01:24,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-01 00:01:24,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-01 00:01:24,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-01 00:01:24,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-01 00:01:24,108 INFO L138 SettingsManager]: * Use SBE=true [2019-09-01 00:01:24,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-01 00:01:24,109 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-01 00:01:24,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-01 00:01:24,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-01 00:01:24,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-01 00:01:24,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-01 00:01:24,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-01 00:01:24,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-01 00:01:24,110 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-01 00:01:24,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-01 00:01:24,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-01 00:01:24,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-01 00:01:24,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-01 00:01:24,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-01 00:01:24,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-01 00:01:24,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-01 00:01:24,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-01 00:01:24,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-01 00:01:24,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-01 00:01:24,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-01 00:01:24,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-01 00:01:24,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-01 00:01:24,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-01 00:01:24,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-01 00:01:24,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-01 00:01:24,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-01 00:01:24,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-01 00:01:24,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-01 00:01:24,164 INFO L275 PluginConnector]: CDTParser initialized [2019-09-01 00:01:24,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2019-09-01 00:01:24,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ce7c222/2decee67198f47bbbad38c23cfa55513/FLAGfdac442e4 [2019-09-01 00:01:25,085 INFO L306 CDTParser]: Found 1 translation units. [2019-09-01 00:01:25,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2019-09-01 00:01:25,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ce7c222/2decee67198f47bbbad38c23cfa55513/FLAGfdac442e4 [2019-09-01 00:01:25,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ce7c222/2decee67198f47bbbad38c23cfa55513 [2019-09-01 00:01:25,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-01 00:01:25,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-01 00:01:25,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-01 00:01:25,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-01 00:01:25,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-01 00:01:25,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:01:25" (1/1) ... [2019-09-01 00:01:25,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af570b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:25, skipping insertion in model container [2019-09-01 00:01:25,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:01:25" (1/1) ... [2019-09-01 00:01:25,634 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-01 00:01:25,913 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-01 00:01:28,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:01:28,380 INFO L188 MainTranslator]: Completed pre-run [2019-09-01 00:01:29,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:01:29,671 INFO L192 MainTranslator]: Completed translation [2019-09-01 00:01:29,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29 WrapperNode [2019-09-01 00:01:29,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-01 00:01:29,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-01 00:01:29,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-01 00:01:29,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-01 00:01:29,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29" (1/1) ... [2019-09-01 00:01:29,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29" (1/1) ... [2019-09-01 00:01:29,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29" (1/1) ... [2019-09-01 00:01:29,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29" (1/1) ... [2019-09-01 00:01:29,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29" (1/1) ... [2019-09-01 00:01:30,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29" (1/1) ... [2019-09-01 00:01:30,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29" (1/1) ... [2019-09-01 00:01:30,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-01 00:01:30,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-01 00:01:30,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-01 00:01:30,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-01 00:01:30,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:01:29" (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 00:01:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-01 00:01:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-01 00:01:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-01 00:01:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-01 00:01:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-01 00:01:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-01 00:01:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-01 00:01:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-01 00:01:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-01 00:01:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-01 00:01:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-01 00:01:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-01 00:01:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-01 00:01:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-01 00:01:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-01 00:01:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-01 00:01:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-09-01 00:01:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-01 00:01:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-01 00:01:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-01 00:01:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-01 00:01:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-01 00:01:37,964 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-01 00:01:37,964 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-01 00:01:37,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:01:37 BoogieIcfgContainer [2019-09-01 00:01:37,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-01 00:01:37,969 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-01 00:01:37,969 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-01 00:01:37,969 INFO L275 PluginConnector]: Sifa initialized [2019-09-01 00:01:37,970 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:01:37" (1/1) ... [2019-09-01 00:01:38,024 INFO L162 IcfgInterpreter]: Started Sifa with 29 locations of interest [2019-09-01 00:01:38,024 INFO L169 IcfgInterpreter]: Building call graph [2019-09-01 00:01:38,049 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-01 00:01:38,060 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-01 00:01:38,062 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-01 00:01:38,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,323 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:01:38,382 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 00:01:38,383 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-01 00:01:42,132 WARN L188 SmtUtils]: Spent 3.75 s on a formula simplification that was a NOOP. DAG size: 556 [2019-09-01 00:01:42,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:01:42,199 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:01:42,201 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:01:42,202 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:01:42,203 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:01:42,203 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:01:42,205 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:01:42,211 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 00:01:42,212 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-01 00:01:45,853 WARN L188 SmtUtils]: Spent 3.64 s on a formula simplification that was a NOOP. DAG size: 561 [2019-09-01 00:01:45,854 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:01:45,855 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-09-01 00:01:45,856 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:811, output treesize:833 [2019-09-01 00:01:46,021 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1304 for LOIs