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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 21:29:55,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 21:29:55,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 21:29:55,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 21:29:55,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 21:29:55,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 21:29:55,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 21:29:55,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 21:29:55,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 21:29:55,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 21:29:55,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 21:29:55,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 21:29:55,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 21:29:55,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 21:29:55,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 21:29:55,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 21:29:55,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 21:29:55,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 21:29:55,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 21:29:55,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 21:29:55,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 21:29:55,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 21:29:55,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 21:29:55,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 21:29:55,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 21:29:55,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 21:29:55,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 21:29:55,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 21:29:55,853 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 [2019-08-31 21:29:55,867 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 21:29:55,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 21:29:55,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 21:29:55,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 21:29:55,869 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 21:29:55,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 21:29:55,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 21:29:55,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 21:29:55,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 21:29:55,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 21:29:55,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 21:29:55,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 21:29:55,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 21:29:55,871 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 21:29:55,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 21:29:55,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 21:29:55,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 21:29:55,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 21:29:55,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 21:29:55,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 21:29:55,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 21:29:55,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 21:29:55,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 21:29:55,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 21:29:55,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 21:29:55,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 21:29:55,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 21:29:55,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 21:29:55,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 21:29:55,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 21:29:55,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 21:29:55,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 21:29:55,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 21:29:55,922 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 21:29:55,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-31 21:29:55,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/861e506a8/f0966ca76ecf45129278d53ac5c6a568/FLAG57491ebdc [2019-08-31 21:29:56,595 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 21:29:56,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-31 21:29:56,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/861e506a8/f0966ca76ecf45129278d53ac5c6a568/FLAG57491ebdc [2019-08-31 21:29:56,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/861e506a8/f0966ca76ecf45129278d53ac5c6a568 [2019-08-31 21:29:56,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 21:29:56,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 21:29:56,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 21:29:56,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 21:29:56,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 21:29:56,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:29:56" (1/1) ... [2019-08-31 21:29:56,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de4fa00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:56, skipping insertion in model container [2019-08-31 21:29:56,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:29:56" (1/1) ... [2019-08-31 21:29:56,867 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 21:29:56,975 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 21:29:57,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 21:29:58,004 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 21:29:58,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 21:29:58,688 INFO L192 MainTranslator]: Completed translation [2019-08-31 21:29:58,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58 WrapperNode [2019-08-31 21:29:58,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 21:29:58,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 21:29:58,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 21:29:58,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 21:29:58,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58" (1/1) ... [2019-08-31 21:29:58,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58" (1/1) ... [2019-08-31 21:29:58,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58" (1/1) ... [2019-08-31 21:29:58,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58" (1/1) ... [2019-08-31 21:29:58,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58" (1/1) ... [2019-08-31 21:29:58,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58" (1/1) ... [2019-08-31 21:29:58,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58" (1/1) ... [2019-08-31 21:29:58,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 21:29:58,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 21:29:58,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 21:29:58,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 21:29:58,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:29:58" (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 [2019-08-31 21:29:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 21:29:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 21:29:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 21:29:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 21:29:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 21:29:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-31 21:29:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 21:29:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 21:29:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 21:29:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 21:29:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 21:29:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 21:29:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 21:29:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 21:29:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 21:29:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 21:29:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 21:29:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 21:29:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 21:29:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 21:30:01,570 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 21:30:01,572 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 21:30:01,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:30:01 BoogieIcfgContainer [2019-08-31 21:30:01,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 21:30:01,574 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 21:30:01,574 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 21:30:01,575 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 21:30:01,576 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:30:01" (1/1) ... [2019-08-31 21:30:01,615 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 21:30:01,616 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 21:30:01,630 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 21:30:01,642 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 21:30:01,644 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 21:30:01,832 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:30:01,834 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:30:01,836 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 21:30:01,851 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 [2019-08-31 21:30:01,851 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 21:30:02,351 WARN L188 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-08-31 21:30:02,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 21:30:02,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:30:02,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:30:02,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:30:02,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:30:02,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:30:02,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 21:30:02,407 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 [2019-08-31 21:30:02,408 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 21:30:02,932 WARN L188 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-08-31 21:30:02,933 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 21:30:02,934 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 21:30:02,934 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:289, output treesize:299 [2019-08-31 21:30:03,004 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 455 for LOIs