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.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 01:56:58,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 01:56:58,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 01:56:58,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-22 01:56:58,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 01:56:58,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 01:56:58,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 01:56:58,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 01:56:58,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 01:56:58,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 01:56:58,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 01:56:58,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 01:56:58,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 01:56:58,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 01:56:58,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 01:56:58,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 01:56:58,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 01:56:58,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 01:56:58,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 01:56:58,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 01:56:58,356 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 01:56:58,370 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 01:56:58,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 01:56:58,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 01:56:58,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 01:56:58,373 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 01:56:58,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 01:56:58,373 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 01:56:58,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 01:56:58,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 01:56:58,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 01:56:58,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 01:56:58,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 01:56:58,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 01:56:58,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 01:56:58,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 01:56:58,375 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 01:56:58,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 01:56:58,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 01:56:58,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 01:56:58,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 01:56:58,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 01:56:58,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 01:56:58,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 01:56:58,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 01:56:58,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 01:56:58,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 01:56:58,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 01:56:58,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 01:56:58,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 01:56:58,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 01:56:58,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 01:56:58,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 01:56:58,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 01:56:58,427 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 01:56:58,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2019-08-22 01:56:58,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1275742d5/443266b7c98841c19bf3f86a368fe1b3/FLAGba6d1675c [2019-08-22 01:56:59,210 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 01:56:59,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2019-08-22 01:56:59,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1275742d5/443266b7c98841c19bf3f86a368fe1b3/FLAGba6d1675c [2019-08-22 01:56:59,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1275742d5/443266b7c98841c19bf3f86a368fe1b3 [2019-08-22 01:56:59,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 01:56:59,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 01:56:59,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 01:56:59,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 01:56:59,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 01:56:59,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:56:59" (1/1) ... [2019-08-22 01:56:59,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f948cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:56:59, skipping insertion in model container [2019-08-22 01:56:59,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:56:59" (1/1) ... [2019-08-22 01:56:59,500 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 01:56:59,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 01:57:00,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:57:00,188 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 01:57:00,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:57:00,688 INFO L192 MainTranslator]: Completed translation [2019-08-22 01:57:00,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00 WrapperNode [2019-08-22 01:57:00,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 01:57:00,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 01:57:00,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 01:57:00,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 01:57:00,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00" (1/1) ... [2019-08-22 01:57:00,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00" (1/1) ... [2019-08-22 01:57:00,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00" (1/1) ... [2019-08-22 01:57:00,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00" (1/1) ... [2019-08-22 01:57:00,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00" (1/1) ... [2019-08-22 01:57:00,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00" (1/1) ... [2019-08-22 01:57:00,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00" (1/1) ... [2019-08-22 01:57:00,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 01:57:00,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 01:57:00,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 01:57:00,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 01:57:00,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:00" (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 01:57:00,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 01:57:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 01:57:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 01:57:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 01:57:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 01:57:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 01:57:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 01:57:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 01:57:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 01:57:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 01:57:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 01:57:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 01:57:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 01:57:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-22 01:57:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-22 01:57:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-22 01:57:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 01:57:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 01:57:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 01:57:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 01:57:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 01:57:02,746 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 01:57:02,747 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 01:57:02,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:57:02 BoogieIcfgContainer [2019-08-22 01:57:02,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 01:57:02,752 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 01:57:02,752 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 01:57:02,752 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 01:57:02,754 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:57:02" (1/1) ... [2019-08-22 01:57:02,776 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 01:57:02,793 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 01:57:02,819 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 01:57:02,831 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 01:57:02,833 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 01:57:03,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,030 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,035 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:57:03,064 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2019-08-22 01:57:03,065 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 01:57:03,398 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-08-22 01:57:03,399 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:57:03,418 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:57:03,419 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:57:03,419 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:57:03,420 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:57:03,421 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:57:03,425 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2019-08-22 01:57:03,426 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 01:57:03,710 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-08-22 01:57:03,711 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:57:03,712 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 01:57:03,713 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:220 [2019-08-22 01:57:03,773 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 253