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/pals_lcr.6.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:33:18,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:33:18,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:33:18,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:33:18,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:33:18,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:33:18,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:33:18,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:33:18,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:33:18,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:33:18,835 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:33:18,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:33:18,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:33:18,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:33:18,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:33:18,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:33:18,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:33:18,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:33:18,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:33:18,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:33:18,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:33:18,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:33:18,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:33:18,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:33:18,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 09:33:18,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 09:33:18,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 09:33:18,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 09:33:18,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 09:33:18,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 09:33:18,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:33:18,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:33:18,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:33:18,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:33:18,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:33:18,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:33:18,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:33:18,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:33:18,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:33:18,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:33:18,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:33:18,886 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 [2019-08-18 09:33:18,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:33:18,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:33:18,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:33:18,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:33:18,908 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:33:18,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:33:18,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:33:18,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:33:18,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:33:18,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:33:18,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:33:18,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:33:18,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:33:18,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:33:18,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:33:18,912 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:33:18,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:33:18,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:33:18,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:33:18,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:33:18,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:33:18,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:33:18,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:33:18,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:33:18,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:33:18,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:33:18,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:33:18,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:33:18,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:33:18,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:33:18,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:33:18,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:33:18,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:33:18,972 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:33:18,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c [2019-08-18 09:33:19,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e19fe92/9f4834667fd44225a68214f0d16ab74d/FLAGbc755f3af [2019-08-18 09:33:19,560 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:33:19,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.1.ufo.UNBOUNDED.pals.c [2019-08-18 09:33:19,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e19fe92/9f4834667fd44225a68214f0d16ab74d/FLAGbc755f3af [2019-08-18 09:33:19,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e19fe92/9f4834667fd44225a68214f0d16ab74d [2019-08-18 09:33:19,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:33:19,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:33:19,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:19,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:33:19,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:33:19,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:19" (1/1) ... [2019-08-18 09:33:19,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782515d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:19, skipping insertion in model container [2019-08-18 09:33:19,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:19" (1/1) ... [2019-08-18 09:33:19,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:33:19,935 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:33:20,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:20,276 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:33:20,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:20,360 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:33:20,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20 WrapperNode [2019-08-18 09:33:20,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:20,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:33:20,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:33:20,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:33:20,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20" (1/1) ... [2019-08-18 09:33:20,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20" (1/1) ... [2019-08-18 09:33:20,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20" (1/1) ... [2019-08-18 09:33:20,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20" (1/1) ... [2019-08-18 09:33:20,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20" (1/1) ... [2019-08-18 09:33:20,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20" (1/1) ... [2019-08-18 09:33:20,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20" (1/1) ... [2019-08-18 09:33:20,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:33:20,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:33:20,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:33:20,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:33:20,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:20" (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 [2019-08-18 09:33:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:33:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:33:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-18 09:33:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-18 09:33:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-18 09:33:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-18 09:33:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-18 09:33:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-18 09:33:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:33:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:33:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:33:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:33:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:33:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:33:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:33:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-18 09:33:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:33:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:33:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:33:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:33:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 09:33:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 09:33:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 09:33:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 09:33:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 09:33:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 09:33:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:33:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:33:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:33:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:33:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:33:21,221 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:33:21,222 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:33:21,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:21 BoogieIcfgContainer [2019-08-18 09:33:21,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:33:21,225 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:33:21,225 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:33:21,226 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:33:21,227 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:21" (1/1) ... [2019-08-18 09:33:21,255 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:33:21,260 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:33:21,273 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:33:21,284 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:33:21,286 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:33:21,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,474 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:21,514 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 [2019-08-18 09:33:21,514 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:21,804 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-18 09:33:21,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:21,823 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:21,824 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:21,824 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:21,825 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:21,826 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:21,829 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 [2019-08-18 09:33:21,830 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:22,058 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-18 09:33:22,059 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:22,060 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:33:22,061 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:175, output treesize:193 [2019-08-18 09:33:22,127 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 208 [2019-08-18 09:33:22,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,566 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,593 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,601 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,660 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,663 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,686 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,687 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:22,795 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 20 [2019-08-18 09:33:22,796 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:33:22,796 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:33:22,798 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 547#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (or (= 1 |assert_#in~arg|) (= 0 |assert_#in~arg|)) (= (mod assert_~arg 256) 0) (= ~nomsg~0 ~p5_new~0) (= ~nomsg~0 ~p4_new~0) (= assert_~arg |assert_#in~arg|) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)) [2019-08-18 09:33:22,808 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:33:22,809 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:33:22,811 INFO L168 Benchmark]: Toolchain (without parser) took 2930.86 ms. Allocated memory was 132.1 MB in the beginning and 264.8 MB in the end (delta: 132.6 MB). Free memory was 86.2 MB in the beginning and 204.0 MB in the end (delta: -117.8 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:22,812 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 09:33:22,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.88 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.0 MB in the beginning and 169.0 MB in the end (delta: -83.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:22,814 INFO L168 Benchmark]: Boogie Preprocessor took 56.67 ms. Allocated memory is still 198.7 MB. Free memory was 169.0 MB in the beginning and 166.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:22,815 INFO L168 Benchmark]: RCFGBuilder took 805.64 ms. Allocated memory is still 198.7 MB. Free memory was 166.5 MB in the beginning and 118.9 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:22,816 INFO L168 Benchmark]: Symbolic Interpretation took 1584.31 ms. Allocated memory was 198.7 MB in the beginning and 264.8 MB in the end (delta: 66.1 MB). Free memory was 118.9 MB in the beginning and 204.0 MB in the end (delta: -85.1 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:22,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 550]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 547#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (or (= 1 |assert_#in~arg|) (= 0 |assert_#in~arg|)) (= (mod assert_~arg 256) 0) (= ~nomsg~0 ~p5_new~0) (= ~nomsg~0 ~p4_new~0) (= assert_~arg |assert_#in~arg|) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 480.88 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.0 MB in the beginning and 169.0 MB in the end (delta: -83.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.67 ms. Allocated memory is still 198.7 MB. Free memory was 169.0 MB in the beginning and 166.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 805.64 ms. Allocated memory is still 198.7 MB. Free memory was 166.5 MB in the beginning and 118.9 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1584.31 ms. Allocated memory was 198.7 MB in the beginning and 264.8 MB in the end (delta: 66.1 MB). Free memory was 118.9 MB in the beginning and 204.0 MB in the end (delta: -85.1 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...