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-fab3c18 [2019-08-22 23:57:59,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 23:57:59,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 23:57:59,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 23:57:59,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 23:57:59,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 23:57:59,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 23:57:59,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 23:57:59,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 23:57:59,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 23:57:59,987 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 23:57:59,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 23:57:59,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 23:57:59,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 23:57:59,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 23:57:59,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 23:57:59,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 23:57:59,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 23:57:59,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 23:57:59,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 23:57:59,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 23:58:00,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 23:58:00,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 23:58:00,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 23:58:00,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 23:58:00,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 23:58:00,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 23:58:00,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 23:58:00,015 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 23:58:00,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 23:58:00,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 23:58:00,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 23:58:00,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 23:58:00,031 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 23:58:00,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 23:58:00,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 23:58:00,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 23:58:00,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 23:58:00,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 23:58:00,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 23:58:00,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 23:58:00,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 23:58:00,033 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 23:58:00,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 23:58:00,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 23:58:00,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 23:58:00,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 23:58:00,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 23:58:00,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 23:58:00,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 23:58:00,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 23:58:00,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 23:58:00,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 23:58:00,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 23:58:00,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 23:58:00,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 23:58:00,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 23:58:00,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 23:58:00,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 23:58:00,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 23:58:00,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 23:58:00,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 23:58:00,107 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 23:58:00,108 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2019-08-22 23:58:00,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bd042906/8bca35c24c48431f9cc897ce925abbfc/FLAG0de11ed78 [2019-08-22 23:58:01,170 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 23:58:01,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2019-08-22 23:58:01,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bd042906/8bca35c24c48431f9cc897ce925abbfc/FLAG0de11ed78 [2019-08-22 23:58:01,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bd042906/8bca35c24c48431f9cc897ce925abbfc [2019-08-22 23:58:01,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 23:58:01,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 23:58:01,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 23:58:01,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 23:58:01,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 23:58:01,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:58:01" (1/1) ... [2019-08-22 23:58:01,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ade56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:01, skipping insertion in model container [2019-08-22 23:58:01,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:58:01" (1/1) ... [2019-08-22 23:58:01,570 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 23:58:01,978 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 23:58:05,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 23:58:05,812 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 23:58:07,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 23:58:08,028 INFO L192 MainTranslator]: Completed translation [2019-08-22 23:58:08,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08 WrapperNode [2019-08-22 23:58:08,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 23:58:08,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 23:58:08,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 23:58:08,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 23:58:08,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08" (1/1) ... [2019-08-22 23:58:08,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08" (1/1) ... [2019-08-22 23:58:08,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08" (1/1) ... [2019-08-22 23:58:08,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08" (1/1) ... [2019-08-22 23:58:08,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08" (1/1) ... [2019-08-22 23:58:08,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08" (1/1) ... [2019-08-22 23:58:08,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08" (1/1) ... [2019-08-22 23:58:08,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 23:58:08,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 23:58:08,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 23:58:08,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 23:58:08,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:58:08" (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 23:58:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 23:58:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 23:58:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 23:58:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 23:58:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 23:58:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 23:58:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 23:58:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 23:58:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 23:58:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 23:58:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 23:58:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 23:58:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 23:58:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-22 23:58:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-22 23:58:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-22 23:58:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-22 23:58:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 23:58:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 23:58:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 23:58:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 23:58:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 23:58:20,812 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 23:58:20,813 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 23:58:20,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:58:20 BoogieIcfgContainer [2019-08-22 23:58:20,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 23:58:20,820 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 23:58:20,821 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 23:58:20,821 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 23:58:20,823 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:58:20" (1/1) ... [2019-08-22 23:58:20,855 INFO L148 IcfgInterpreter]: Started Sifa with 29 locations of interest [2019-08-22 23:58:20,864 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 23:58:20,898 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 23:58:20,907 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 23:58:20,908 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 23:58:21,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 23:58:21,434 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 [2019-08-22 23:58:21,435 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 23:58:40,174 WARN L188 SmtUtils]: Spent 18.73 s on a formula simplification that was a NOOP. DAG size: 1426 [2019-08-22 23:58:40,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 23:58:40,287 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:58:40,289 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:58:40,292 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:58:40,294 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:58:40,296 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:58:40,299 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 23:58:40,308 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 [2019-08-22 23:58:40,308 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 23:58:58,738 WARN L188 SmtUtils]: Spent 18.43 s on a formula simplification that was a NOOP. DAG size: 1431 [2019-08-22 23:58:58,739 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 23:58:58,741 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 23:58:58,743 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:2116, output treesize:2138 [2019-08-22 23:58:59,229 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 3500