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.7.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:33:24,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:33:24,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:33:24,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:33:24,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:33:24,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:33:24,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:33:24,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:33:24,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:33:24,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:33:24,838 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:33:24,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:33:24,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:33:24,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:33:24,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:33:24,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:33:24,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:33:24,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:33:24,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:33:24,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:33:24,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:33:24,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:33:24,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:33:24,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:33:24,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 09:33:24,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:33:24,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:33:24,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:33:24,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:33:24,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:33:24,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:33:24,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:33:24,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:33:24,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:33:24,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:33:24,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:33:24,881 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 09:33:24,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:33:24,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:33:24,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:33:24,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:33:24,910 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:33:24,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:33:24,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:33:24,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:33:24,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:33:24,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:33:24,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:33:24,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:33:24,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:33:24,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:33:24,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:33:24,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:33:24,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:33:24,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:33:24,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:33:24,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:33:24,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:33:24,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:33:24,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:33:24,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:33:24,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:33:24,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:33:24,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:33:24,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:33:24,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:33:24,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:33:24,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:33:24,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:33:24,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:33:24,985 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:33:24,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2019-08-18 09:33:25,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280c426a5/2477d5f5198440b7b505b97f86dc8bfc/FLAGd2a992850 [2019-08-18 09:33:25,486 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:33:25,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2019-08-18 09:33:25,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280c426a5/2477d5f5198440b7b505b97f86dc8bfc/FLAGd2a992850 [2019-08-18 09:33:25,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280c426a5/2477d5f5198440b7b505b97f86dc8bfc [2019-08-18 09:33:25,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:33:25,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:33:25,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:25,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:33:25,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:33:25,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695f3cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:25, skipping insertion in model container [2019-08-18 09:33:25,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:25" (1/1) ... [2019-08-18 09:33:25,817 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:33:25,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:33:26,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:26,281 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:33:26,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:26,368 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:33:26,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26 WrapperNode [2019-08-18 09:33:26,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:26,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:33:26,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:33:26,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:33:26,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26" (1/1) ... [2019-08-18 09:33:26,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26" (1/1) ... [2019-08-18 09:33:26,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26" (1/1) ... [2019-08-18 09:33:26,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26" (1/1) ... [2019-08-18 09:33:26,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26" (1/1) ... [2019-08-18 09:33:26,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26" (1/1) ... [2019-08-18 09:33:26,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26" (1/1) ... [2019-08-18 09:33:26,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:33:26,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:33:26,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:33:26,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:33:26,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:26" (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 09:33:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-18 09:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-18 09:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-18 09:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-18 09:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-18 09:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-18 09:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2019-08-18 09:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:33:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:33:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-18 09:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 09:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 09:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 09:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 09:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 09:33:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 09:33:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-18 09:33:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:33:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:33:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:33:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:33:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:33:27,267 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:33:27,267 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:33:27,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:27 BoogieIcfgContainer [2019-08-18 09:33:27,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:33:27,269 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:33:27,269 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:33:27,270 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:33:27,271 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:27" (1/1) ... [2019-08-18 09:33:27,296 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:33:27,298 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:33:27,310 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:33:27,317 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:33:27,318 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:33:27,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:27,524 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 [2019-08-18 09:33:27,525 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:27,871 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-18 09:33:27,873 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:27,893 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,894 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,895 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,896 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,897 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,899 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:27,905 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 [2019-08-18 09:33:27,905 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:28,200 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-08-18 09:33:28,201 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:28,202 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:33:28,202 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:224 [2019-08-18 09:33:28,243 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 241 [2019-08-18 09:33:28,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,415 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,426 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,511 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,723 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,723 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,727 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,760 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,760 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,764 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,771 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,772 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:28,957 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 22 [2019-08-18 09:33:28,958 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:33:28,958 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:33:28,960 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 670#(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) (= ~nomsg~0 ~p7_new~0)) [2019-08-18 09:33:28,969 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:33:28,970 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:33:28,972 INFO L168 Benchmark]: Toolchain (without parser) took 3169.92 ms. Allocated memory was 130.0 MB in the beginning and 273.7 MB in the end (delta: 143.7 MB). Free memory was 85.3 MB in the beginning and 142.7 MB in the end (delta: -57.3 MB). Peak memory consumption was 108.1 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,973 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.66 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 85.1 MB in the beginning and 167.5 MB in the end (delta: -82.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,975 INFO L168 Benchmark]: Boogie Preprocessor took 60.18 ms. Allocated memory is still 197.1 MB. Free memory was 167.5 MB in the beginning and 164.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,976 INFO L168 Benchmark]: RCFGBuilder took 839.22 ms. Allocated memory is still 197.1 MB. Free memory was 164.1 MB in the beginning and 107.6 MB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,977 INFO L168 Benchmark]: Symbolic Interpretation took 1700.34 ms. Allocated memory was 197.1 MB in the beginning and 273.7 MB in the end (delta: 76.5 MB). Free memory was 106.9 MB in the beginning and 142.7 MB in the end (delta: -35.7 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:28,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 629]: 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 670#(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) (= ~nomsg~0 ~p7_new~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 566.66 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 85.1 MB in the beginning and 167.5 MB in the end (delta: -82.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.18 ms. Allocated memory is still 197.1 MB. Free memory was 167.5 MB in the beginning and 164.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 839.22 ms. Allocated memory is still 197.1 MB. Free memory was 164.1 MB in the beginning and 107.6 MB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1700.34 ms. Allocated memory was 197.1 MB in the beginning and 273.7 MB in the end (delta: 76.5 MB). Free memory was 106.9 MB in the beginning and 142.7 MB in the end (delta: -35.7 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...