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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-09-01 00:12:01,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-01 00:12:01,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-01 00:12:01,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-01 00:12:01,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-01 00:12:01,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-01 00:12:01,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-01 00:12:01,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-01 00:12:01,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-01 00:12:01,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-01 00:12:01,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-01 00:12:01,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-09-01 00:12:01,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-01 00:12:01,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-01 00:12:01,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-01 00:12:01,369 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 00:12:01,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-01 00:12:01,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-01 00:12:01,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-01 00:12:01,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-01 00:12:01,385 INFO L138 SettingsManager]: * Use SBE=true [2019-09-01 00:12:01,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-01 00:12:01,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-01 00:12:01,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-01 00:12:01,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-01 00:12:01,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-01 00:12:01,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-01 00:12:01,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-01 00:12:01,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-01 00:12:01,387 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-01 00:12:01,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-01 00:12:01,387 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-01 00:12:01,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-01 00:12:01,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-01 00:12:01,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-01 00:12:01,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-01 00:12:01,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-01 00:12:01,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-01 00:12:01,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-01 00:12:01,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-01 00:12:01,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-01 00:12:01,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-01 00:12:01,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-01 00:12:01,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-01 00:12:01,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-01 00:12:01,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-01 00:12:01,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-01 00:12:01,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-01 00:12:01,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-01 00:12:01,442 INFO L275 PluginConnector]: CDTParser initialized [2019-09-01 00:12:01,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-01 00:12:01,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1174689/a4915b5c3ccb44a7ab097c3b45420f60/FLAGa37335514 [2019-09-01 00:12:02,453 INFO L306 CDTParser]: Found 1 translation units. [2019-09-01 00:12:02,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-01 00:12:02,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1174689/a4915b5c3ccb44a7ab097c3b45420f60/FLAGa37335514 [2019-09-01 00:12:02,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1174689/a4915b5c3ccb44a7ab097c3b45420f60 [2019-09-01 00:12:02,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-01 00:12:02,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-01 00:12:02,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-01 00:12:02,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-01 00:12:02,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-01 00:12:02,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:12:02" (1/1) ... [2019-09-01 00:12:02,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eb1e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:02, skipping insertion in model container [2019-09-01 00:12:02,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 12:12:02" (1/1) ... [2019-09-01 00:12:02,924 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-01 00:12:03,446 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-01 00:12:07,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:12:07,103 INFO L188 MainTranslator]: Completed pre-run [2019-09-01 00:12:09,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-01 00:12:09,819 INFO L192 MainTranslator]: Completed translation [2019-09-01 00:12:09,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09 WrapperNode [2019-09-01 00:12:09,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-01 00:12:09,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-01 00:12:09,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-01 00:12:09,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-01 00:12:09,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09" (1/1) ... [2019-09-01 00:12:09,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09" (1/1) ... [2019-09-01 00:12:09,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09" (1/1) ... [2019-09-01 00:12:09,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09" (1/1) ... [2019-09-01 00:12:10,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09" (1/1) ... [2019-09-01 00:12:10,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09" (1/1) ... [2019-09-01 00:12:10,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09" (1/1) ... [2019-09-01 00:12:10,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-01 00:12:10,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-01 00:12:10,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-01 00:12:10,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-01 00:12:10,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 12:12:09" (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 00:12:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-01 00:12:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-01 00:12:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-01 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-01 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-01 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-01 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-01 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-01 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-01 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-01 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-01 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-01 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-01 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-01 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-01 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-01 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-01 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-09-01 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2019-09-01 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-01 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-01 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-01 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-01 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-01 00:12:21,465 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-01 00:12:21,466 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-01 00:12:21,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:12:21 BoogieIcfgContainer [2019-09-01 00:12:21,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-01 00:12:21,471 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-01 00:12:21,471 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-01 00:12:21,471 INFO L275 PluginConnector]: Sifa initialized [2019-09-01 00:12:21,474 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 12:12:21" (1/1) ... [2019-09-01 00:12:21,533 INFO L162 IcfgInterpreter]: Started Sifa with 37 locations of interest [2019-09-01 00:12:21,533 INFO L169 IcfgInterpreter]: Building call graph [2019-09-01 00:12:21,563 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-01 00:12:21,572 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-01 00:12:21,573 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-01 00:12:21,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,923 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,932 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,934 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,936 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,939 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,941 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-01 00:12:21,961 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2019-09-01 00:12:21,962 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-01 00:12:29,083 WARN L188 SmtUtils]: Spent 7.12 s on a formula simplification that was a NOOP. DAG size: 874 [2019-09-01 00:12:29,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:12:29,167 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:12:29,168 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:12:29,169 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:12:29,170 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:12:29,171 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:12:29,174 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:12:29,176 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-01 00:12:29,183 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2019-09-01 00:12:29,184 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-01 00:12:35,831 WARN L188 SmtUtils]: Spent 6.65 s on a formula simplification that was a NOOP. DAG size: 880 [2019-09-01 00:12:35,832 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-01 00:12:35,835 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-09-01 00:12:35,835 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:1285, output treesize:1311 [2019-09-01 00:12:36,152 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 2067 for LOIs