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_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-09-01 00:49:53,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-01 00:49:53,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-01 00:49:53,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-01 00:49:53,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-01 00:49:53,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-01 00:49:53,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-01 00:49:53,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-01 00:49:53,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-01 00:49:53,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-01 00:49:53,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-01 00:49:53,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-01 00:49:53,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-01 00:49:53,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-01 00:49:53,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-01 00:49:53,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-01 00:49:53,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-01 00:49:53,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-01 00:49:53,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-01 00:49:53,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-01 00:49:53,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-01 00:49:53,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-01 00:49:53,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-01 00:49:53,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-01 00:49:53,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-01 00:49:54,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-01 00:49:54,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-01 00:49:54,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-01 00:49:54,010 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 00:49:54,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-01 00:49:54,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-01 00:49:54,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-01 00:49:54,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-01 00:49:54,035 INFO L138 SettingsManager]: * Use SBE=true [2019-09-01 00:49:54,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-01 00:49:54,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-01 00:49:54,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-01 00:49:54,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-01 00:49:54,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-01 00:49:54,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-01 00:49:54,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-01 00:49:54,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-01 00:49:54,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-01 00:49:54,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-01 00:49:54,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-01 00:49:54,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-01 00:49:54,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-01 00:49:54,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-01 00:49:54,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-01 00:49:54,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-01 00:49:54,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-01 00:49:54,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-01 00:49:54,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-01 00:49:54,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-01 00:49:54,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-01 00:49:54,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-01 00:49:54,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-01 00:49:54,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-01 00:49:54,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-01 00:49:54,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-01 00:49:54,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-01 00:49:54,086 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-01 00:49:54,086 INFO L275 PluginConnector]: CDTParser initialized [2019-09-01 00:49:54,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-01 00:49:54,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8d3aef59/4fbf4c5a1ed446b583de0b9b7b6d0e75/FLAG43ba42dbd [2019-09-01 00:49:54,778 INFO L306 CDTParser]: Found 1 translation units. [2019-09-01 00:49:54,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-01 00:49:54,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8d3aef59/4fbf4c5a1ed446b583de0b9b7b6d0e75/FLAG43ba42dbd [2019-09-01 00:49:55,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8d3aef59/4fbf4c5a1ed446b583de0b9b7b6d0e75 [2019-09-01 00:49:55,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-01 00:49:55,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-01 00:49:55,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-01 00:49:55,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-01 00:49:55,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-01 00:49:55,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:49:55" (1/1) ... [2019-09-01 00:49:55,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ab68a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:55, skipping insertion in model container [2019-09-01 00:49:55,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:49:55" (1/1) ... [2019-09-01 00:49:55,048 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-01 00:49:55,152 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-01 00:49:56,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:49:56,185 INFO L188 MainTranslator]: Completed pre-run [2019-09-01 00:49:56,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:49:56,756 INFO L192 MainTranslator]: Completed translation [2019-09-01 00:49:56,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56 WrapperNode [2019-09-01 00:49:56,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-01 00:49:56,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-01 00:49:56,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-01 00:49:56,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-01 00:49:56,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56" (1/1) ... [2019-09-01 00:49:56,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56" (1/1) ... [2019-09-01 00:49:56,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56" (1/1) ... [2019-09-01 00:49:56,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56" (1/1) ... [2019-09-01 00:49:56,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56" (1/1) ... [2019-09-01 00:49:56,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56" (1/1) ... [2019-09-01 00:49:56,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56" (1/1) ... [2019-09-01 00:49:57,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-01 00:49:57,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-01 00:49:57,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-01 00:49:57,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-01 00:49:57,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:49:56" (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 00:49:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-01 00:49:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-01 00:49:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-01 00:49:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-01 00:49:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-01 00:49:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-01 00:49:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-01 00:49:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-01 00:49:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-01 00:49:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-01 00:49:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-01 00:49:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-01 00:49:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-01 00:49:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-01 00:49:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-01 00:49:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-01 00:49:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-01 00:49:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-01 00:49:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-01 00:49:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-01 00:49:59,814 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-01 00:49:59,815 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-01 00:49:59,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:49:59 BoogieIcfgContainer [2019-09-01 00:49:59,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-01 00:49:59,817 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-01 00:49:59,817 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-01 00:49:59,817 INFO L275 PluginConnector]: Sifa initialized [2019-09-01 00:49:59,818 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:49:59" (1/1) ... [2019-09-01 00:49:59,865 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-01 00:49:59,866 INFO L169 IcfgInterpreter]: Building call graph [2019-09-01 00:49:59,886 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-01 00:49:59,897 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-01 00:49:59,898 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-01 00:50:00,074 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:50:00,075 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:50:00,076 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:50:00,099 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 15 treesize of output 21 [2019-09-01 00:50:00,103 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-01 00:50:00,730 WARN L188 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-09-01 00:50:00,731 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:50:00,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:50:00,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:50:00,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:50:00,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:50:00,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:50:00,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:50:00,760 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-09-01 00:50:00,761 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-01 00:50:01,298 WARN L188 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2019-09-01 00:50:01,299 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:50:01,301 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-09-01 00:50:01,302 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:301, output treesize:311 [2019-09-01 00:50:01,388 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 477 for LOIs