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+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-09-01 00:04:37,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-01 00:04:37,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-01 00:04:37,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-01 00:04:37,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-01 00:04:37,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-01 00:04:37,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-01 00:04:37,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-01 00:04:37,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-01 00:04:37,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-01 00:04:37,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-01 00:04:37,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-01 00:04:37,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-01 00:04:37,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-01 00:04:37,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-01 00:04:37,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-01 00:04:37,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-01 00:04:37,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-01 00:04:37,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-01 00:04:37,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-01 00:04:37,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-01 00:04:37,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-01 00:04:37,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-01 00:04:37,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-01 00:04:37,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-01 00:04:37,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-01 00:04:37,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-01 00:04:37,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-01 00:04:37,283 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 00:04:37,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-01 00:04:37,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-01 00:04:37,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-01 00:04:37,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-01 00:04:37,299 INFO L138 SettingsManager]: * Use SBE=true [2019-09-01 00:04:37,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-01 00:04:37,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-01 00:04:37,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-01 00:04:37,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-01 00:04:37,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-01 00:04:37,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-01 00:04:37,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-01 00:04:37,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-01 00:04:37,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-01 00:04:37,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-01 00:04:37,301 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-01 00:04:37,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-01 00:04:37,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-01 00:04:37,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-01 00:04:37,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-01 00:04:37,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-01 00:04:37,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-01 00:04:37,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-01 00:04:37,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-01 00:04:37,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-01 00:04:37,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-01 00:04:37,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-01 00:04:37,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-01 00:04:37,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-01 00:04:37,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-01 00:04:37,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-01 00:04:37,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-01 00:04:37,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-01 00:04:37,351 INFO L275 PluginConnector]: CDTParser initialized [2019-09-01 00:04:37,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2019-09-01 00:04:37,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b6e439a/6cf63036b6364120ba0e10953412b5b6/FLAG82f42ed96 [2019-09-01 00:04:38,380 INFO L306 CDTParser]: Found 1 translation units. [2019-09-01 00:04:38,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2019-09-01 00:04:38,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b6e439a/6cf63036b6364120ba0e10953412b5b6/FLAG82f42ed96 [2019-09-01 00:04:38,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b6e439a/6cf63036b6364120ba0e10953412b5b6 [2019-09-01 00:04:38,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-01 00:04:38,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-01 00:04:38,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-01 00:04:38,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-01 00:04:38,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-01 00:04:38,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:04:38" (1/1) ... [2019-09-01 00:04:38,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bed370c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:38, skipping insertion in model container [2019-09-01 00:04:38,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:04:38" (1/1) ... [2019-09-01 00:04:38,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-01 00:04:39,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-01 00:04:43,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:04:43,069 INFO L188 MainTranslator]: Completed pre-run [2019-09-01 00:04:45,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:04:45,598 INFO L192 MainTranslator]: Completed translation [2019-09-01 00:04:45,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45 WrapperNode [2019-09-01 00:04:45,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-01 00:04:45,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-01 00:04:45,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-01 00:04:45,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-01 00:04:45,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45" (1/1) ... [2019-09-01 00:04:45,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45" (1/1) ... [2019-09-01 00:04:45,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45" (1/1) ... [2019-09-01 00:04:45,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45" (1/1) ... [2019-09-01 00:04:45,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45" (1/1) ... [2019-09-01 00:04:46,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45" (1/1) ... [2019-09-01 00:04:46,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45" (1/1) ... [2019-09-01 00:04:46,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-01 00:04:46,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-01 00:04:46,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-01 00:04:46,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-01 00:04:46,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:04:45" (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 00:04:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-01 00:04:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-01 00:04:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-01 00:04:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-01 00:04:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-01 00:04:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-01 00:04:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-01 00:04:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-01 00:04:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-01 00:04:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-01 00:04:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-01 00:04:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-01 00:04:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-01 00:04:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-01 00:04:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-01 00:04:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-01 00:04:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-09-01 00:04:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-01 00:04:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-01 00:04:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-01 00:04:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-01 00:04:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-01 00:04:58,449 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-01 00:04:58,450 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-01 00:04:58,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:04:58 BoogieIcfgContainer [2019-09-01 00:04:58,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-01 00:04:58,454 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-01 00:04:58,455 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-01 00:04:58,455 INFO L275 PluginConnector]: Sifa initialized [2019-09-01 00:04:58,456 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:04:58" (1/1) ... [2019-09-01 00:04:58,494 INFO L162 IcfgInterpreter]: Started Sifa with 29 locations of interest [2019-09-01 00:04:58,494 INFO L169 IcfgInterpreter]: Building call graph [2019-09-01 00:04:58,521 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-01 00:04:58,530 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-01 00:04:58,531 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-01 00:04:59,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,133 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,141 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,144 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,148 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,150 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:04:59,196 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 00:04:59,197 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-01 00:05:18,252 WARN L188 SmtUtils]: Spent 19.05 s on a formula simplification that was a NOOP. DAG size: 1426 [2019-09-01 00:05:18,256 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:05:18,369 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:05:18,371 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:05:18,373 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:05:18,375 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:05:18,376 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:05:18,377 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:05:18,386 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 00:05:18,387 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-01 00:05:36,862 WARN L188 SmtUtils]: Spent 18.47 s on a formula simplification that was a NOOP. DAG size: 1431 [2019-09-01 00:05:36,863 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:05:36,866 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-09-01 00:05:36,867 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:2116, output treesize:2138 [2019-09-01 00:05:37,343 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 3470 for LOIs