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-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 21:59:19,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 21:59:19,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 21:59:19,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 21:59:19,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 21:59:19,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 21:59:19,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 21:59:19,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 21:59:19,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 21:59:19,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 21:59:19,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 21:59:19,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 21:59:19,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 21:59:19,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 21:59:19,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 21:59:19,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 21:59:19,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 21:59:19,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 21:59:19,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 21:59:19,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 21:59:19,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 21:59:19,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 21:59:19,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 21:59:19,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 21:59:19,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 21:59:19,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 21:59:19,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 21:59:19,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 21:59:19,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 21:59:19,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 21:59:19,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 21:59:19,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 21:59:19,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 21:59:19,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 21:59:19,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 21:59:19,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 21:59:19,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 21:59:19,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 21:59:19,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 21:59:19,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 21:59:19,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 21:59:19,170 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 21:59:19,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 21:59:19,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 21:59:19,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 21:59:19,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 21:59:19,197 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 21:59:19,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 21:59:19,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 21:59:19,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 21:59:19,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 21:59:19,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 21:59:19,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 21:59:19,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 21:59:19,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 21:59:19,198 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 21:59:19,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 21:59:19,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 21:59:19,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 21:59:19,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 21:59:19,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 21:59:19,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 21:59:19,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 21:59:19,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 21:59:19,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 21:59:19,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 21:59:19,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 21:59:19,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 21:59:19,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 21:59:19,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 21:59:19,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 21:59:19,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 21:59:19,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 21:59:19,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 21:59:19,248 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 21:59:19,249 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 21:59:19,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-08-31 21:59:19,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c041f2b5/8f3f1f2b1a0f434cb4265dbb0f76b5ff/FLAG44977d3fd [2019-08-31 21:59:19,895 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 21:59:19,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-08-31 21:59:19,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c041f2b5/8f3f1f2b1a0f434cb4265dbb0f76b5ff/FLAG44977d3fd [2019-08-31 21:59:20,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c041f2b5/8f3f1f2b1a0f434cb4265dbb0f76b5ff [2019-08-31 21:59:20,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 21:59:20,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 21:59:20,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 21:59:20,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 21:59:20,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 21:59:20,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:59:20" (1/1) ... [2019-08-31 21:59:20,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:20, skipping insertion in model container [2019-08-31 21:59:20,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:59:20" (1/1) ... [2019-08-31 21:59:20,139 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 21:59:20,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 21:59:20,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 21:59:20,983 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 21:59:21,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 21:59:21,350 INFO L192 MainTranslator]: Completed translation [2019-08-31 21:59:21,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21 WrapperNode [2019-08-31 21:59:21,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 21:59:21,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 21:59:21,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 21:59:21,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 21:59:21,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21" (1/1) ... [2019-08-31 21:59:21,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21" (1/1) ... [2019-08-31 21:59:21,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21" (1/1) ... [2019-08-31 21:59:21,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21" (1/1) ... [2019-08-31 21:59:21,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21" (1/1) ... [2019-08-31 21:59:21,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21" (1/1) ... [2019-08-31 21:59:21,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21" (1/1) ... [2019-08-31 21:59:21,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 21:59:21,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 21:59:21,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 21:59:21,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 21:59:21,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:59:21" (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 21:59:21,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 21:59:21,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 21:59:21,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 21:59:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 21:59:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 21:59:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 21:59:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 21:59:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 21:59:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 21:59:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 21:59:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 21:59:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 21:59:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 21:59:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 21:59:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 21:59:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 21:59:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 21:59:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 21:59:23,623 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 21:59:23,625 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 21:59:23,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:59:23 BoogieIcfgContainer [2019-08-31 21:59:23,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 21:59:23,628 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 21:59:23,629 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 21:59:23,629 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 21:59:23,630 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:59:23" (1/1) ... [2019-08-31 21:59:23,693 INFO L162 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-31 21:59:23,693 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 21:59:23,706 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 21:59:23,715 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 21:59:23,716 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 21:59:23,913 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:59:23,915 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:59:23,931 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-31 21:59:23,932 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 21:59:24,457 WARN L188 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-08-31 21:59:24,458 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 21:59:24,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:59:24,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:59:24,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:59:24,484 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-31 21:59:24,484 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 21:59:25,011 WARN L188 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-08-31 21:59:25,011 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 21:59:25,012 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 21:59:25,013 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:295, output treesize:301 [2019-08-31 21:59:25,117 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 466 for LOIs