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.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 23:49:11,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 23:49:11,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 23:49:11,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 23:49:11,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 23:49:11,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 23:49:11,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 23:49:11,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 23:49:11,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 23:49:11,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 23:49:11,305 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 23:49:11,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 23:49:11,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 23:49:11,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 23:49:11,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 23:49:11,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 23:49:11,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 23:49:11,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 23:49:11,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 23:49:11,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 23:49:11,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 23:49:11,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 23:49:11,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 23:49:11,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 23:49:11,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 23:49:11,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 23:49:11,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 23:49:11,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 23:49:11,329 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 [2019-08-22 23:49:11,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 23:49:11,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 23:49:11,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 23:49:11,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 23:49:11,345 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 23:49:11,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 23:49:11,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 23:49:11,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 23:49:11,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 23:49:11,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 23:49:11,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 23:49:11,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 23:49:11,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 23:49:11,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 23:49:11,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 23:49:11,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 23:49:11,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 23:49:11,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 23:49:11,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 23:49:11,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 23:49:11,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 23:49:11,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 23:49:11,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 23:49:11,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 23:49:11,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 23:49:11,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 23:49:11,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 23:49:11,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 23:49:11,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 23:49:11,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 23:49:11,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 23:49:11,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 23:49:11,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 23:49:11,397 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 23:49:11,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2019-08-22 23:49:11,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a046f31b/12be7440e4a2498aa6771f21e4217672/FLAG06777eca6 [2019-08-22 23:49:12,450 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 23:49:12,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2019-08-22 23:49:12,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a046f31b/12be7440e4a2498aa6771f21e4217672/FLAG06777eca6 [2019-08-22 23:49:12,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a046f31b/12be7440e4a2498aa6771f21e4217672 [2019-08-22 23:49:12,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 23:49:12,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 23:49:12,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 23:49:12,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 23:49:12,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 23:49:12,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:49:12" (1/1) ... [2019-08-22 23:49:12,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522cc538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:12, skipping insertion in model container [2019-08-22 23:49:12,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:49:12" (1/1) ... [2019-08-22 23:49:12,820 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 23:49:13,264 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 23:49:16,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 23:49:16,161 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 23:49:18,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 23:49:18,161 INFO L192 MainTranslator]: Completed translation [2019-08-22 23:49:18,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18 WrapperNode [2019-08-22 23:49:18,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 23:49:18,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 23:49:18,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 23:49:18,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 23:49:18,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18" (1/1) ... [2019-08-22 23:49:18,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18" (1/1) ... [2019-08-22 23:49:18,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18" (1/1) ... [2019-08-22 23:49:18,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18" (1/1) ... [2019-08-22 23:49:18,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18" (1/1) ... [2019-08-22 23:49:18,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18" (1/1) ... [2019-08-22 23:49:18,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18" (1/1) ... [2019-08-22 23:49:18,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 23:49:18,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 23:49:18,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 23:49:18,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 23:49:18,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:49:18" (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 [2019-08-22 23:49:18,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 23:49:18,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 23:49:18,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 23:49:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 23:49:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 23:49:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 23:49:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 23:49:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 23:49:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 23:49:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 23:49:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 23:49:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 23:49:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 23:49:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-22 23:49:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-22 23:49:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 23:49:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 23:49:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 23:49:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 23:49:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 23:49:32,001 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 23:49:32,002 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 23:49:32,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:49:32 BoogieIcfgContainer [2019-08-22 23:49:32,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 23:49:32,007 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 23:49:32,007 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 23:49:32,007 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 23:49:32,008 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:49:32" (1/1) ... [2019-08-22 23:49:32,023 INFO L148 IcfgInterpreter]: Started Sifa with 19 locations of interest [2019-08-22 23:49:32,025 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 23:49:32,062 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 23:49:32,071 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 23:49:32,072 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 23:49:32,335 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:49:32,336 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:49:32,337 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:49:32,337 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:49:32,353 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 [2019-08-22 23:49:32,354 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 23:49:45,069 WARN L188 SmtUtils]: Spent 12.71 s on a formula simplification that was a NOOP. DAG size: 1216 [2019-08-22 23:49:45,071 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 23:49:45,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:49:45,195 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 [2019-08-22 23:49:45,196 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 23:49:57,489 WARN L188 SmtUtils]: Spent 12.29 s on a formula simplification that was a NOOP. DAG size: 1219 [2019-08-22 23:49:57,490 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 23:49:57,492 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 23:49:57,493 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:1807, output treesize:1821 [2019-08-22 23:49:57,855 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 2978