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.8_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:33:30,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:33:30,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:33:30,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:33:30,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:33:30,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:33:30,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:33:30,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:33:30,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:33:30,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:33:30,554 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:33:30,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:33:30,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:33:30,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:33:30,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:33:30,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:33:30,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:33:30,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:33:30,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:33:30,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:33:30,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:33:30,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:33:30,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:33:30,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:33:30,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 09:33:30,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:33:30,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:33:30,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:33:30,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:33:30,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:33:30,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:33:30,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:33:30,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:33:30,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:33:30,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:33:30,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:33:30,587 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 09:33:30,614 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:33:30,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:33:30,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:33:30,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:33:30,617 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:33:30,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:33:30,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:33:30,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:33:30,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:33:30,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:33:30,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:33:30,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:33:30,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:33:30,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:33:30,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:33:30,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:33:30,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:33:30,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:33:30,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:33:30,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:33:30,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:33:30,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:33:30,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:33:30,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:33:30,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:33:30,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:33:30,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:33:30,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:33:30,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:33:30,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:33:30,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:33:30,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:33:30,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:33:30,700 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:33:30,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2019-08-18 09:33:30,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ed5cb25/21e0af3550524eed9048c181e697818e/FLAG45685f2a6 [2019-08-18 09:33:31,288 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:33:31,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2019-08-18 09:33:31,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ed5cb25/21e0af3550524eed9048c181e697818e/FLAG45685f2a6 [2019-08-18 09:33:31,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6ed5cb25/21e0af3550524eed9048c181e697818e [2019-08-18 09:33:31,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:33:31,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:33:31,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:31,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:33:31,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:33:31,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:31" (1/1) ... [2019-08-18 09:33:31,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688d0bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:31, skipping insertion in model container [2019-08-18 09:33:31,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:33:31" (1/1) ... [2019-08-18 09:33:31,653 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:33:31,723 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:33:32,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:32,101 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:33:32,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:33:32,221 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:33:32,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32 WrapperNode [2019-08-18 09:33:32,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:33:32,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:33:32,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:33:32,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:33:32,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32" (1/1) ... [2019-08-18 09:33:32,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32" (1/1) ... [2019-08-18 09:33:32,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32" (1/1) ... [2019-08-18 09:33:32,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32" (1/1) ... [2019-08-18 09:33:32,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32" (1/1) ... [2019-08-18 09:33:32,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32" (1/1) ... [2019-08-18 09:33:32,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32" (1/1) ... [2019-08-18 09:33:32,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:33:32,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:33:32,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:33:32,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:33:32,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:33:32" (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 09:33:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:33:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:33:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-18 09:33:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-18 09:33:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-18 09:33:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-18 09:33:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-18 09:33:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-18 09:33:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2019-08-18 09:33:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2019-08-18 09:33:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:33:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:33:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:33:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:33:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:33:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:33:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:33:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-18 09:33:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:33:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:33:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:33:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:33:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 09:33:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 09:33:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 09:33:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 09:33:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 09:33:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 09:33:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-18 09:33:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2019-08-18 09:33:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:33:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:33:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:33:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:33:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:33:33,265 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:33:33,265 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:33:33,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:33 BoogieIcfgContainer [2019-08-18 09:33:33,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:33:33,267 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:33:33,267 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:33:33,268 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:33:33,269 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:33:33" (1/1) ... [2019-08-18 09:33:33,281 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:33:33,284 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:33:33,294 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:33:33,302 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:33:33,304 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:33:33,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,470 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,475 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,477 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:33:33,562 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 [2019-08-18 09:33:33,563 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:33,969 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-08-18 09:33:33,971 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:33,993 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:33,994 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:33,995 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:33,996 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:33,998 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:33,998 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:34,000 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:33:34,008 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 [2019-08-18 09:33:34,009 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:33:34,362 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-08-18 09:33:34,363 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:33:34,364 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:33:34,364 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:229, output treesize:255 [2019-08-18 09:33:34,402 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 274 [2019-08-18 09:33:34,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,643 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,817 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,893 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,921 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,975 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,995 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:34,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:35,035 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:35,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:35,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:33:35,231 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 24 [2019-08-18 09:33:35,231 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:33:35,232 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:33:35,234 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 770#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p8_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 09:33:35,244 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:33:35,244 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:33:35,246 INFO L168 Benchmark]: Toolchain (without parser) took 3610.22 ms. Allocated memory was 137.9 MB in the beginning and 270.0 MB in the end (delta: 132.1 MB). Free memory was 84.4 MB in the beginning and 80.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 136.9 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:35,247 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 09:33:35,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.47 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.0 MB in the beginning and 166.7 MB in the end (delta: -82.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:35,251 INFO L168 Benchmark]: Boogie Preprocessor took 68.58 ms. Allocated memory is still 198.2 MB. Free memory was 166.7 MB in the beginning and 163.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:35,251 INFO L168 Benchmark]: RCFGBuilder took 975.12 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 100.7 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:35,253 INFO L168 Benchmark]: Symbolic Interpretation took 1977.09 ms. Allocated memory was 198.2 MB in the beginning and 270.0 MB in the end (delta: 71.8 MB). Free memory was 100.7 MB in the beginning and 80.7 MB in the end (delta: 20.0 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-08-18 09:33:35,264 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 714]: 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 770#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p8_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 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 585.47 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.0 MB in the beginning and 166.7 MB in the end (delta: -82.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.58 ms. Allocated memory is still 198.2 MB. Free memory was 166.7 MB in the beginning and 163.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 975.12 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 100.7 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1977.09 ms. Allocated memory was 198.2 MB in the beginning and 270.0 MB in the end (delta: 71.8 MB). Free memory was 100.7 MB in the beginning and 80.7 MB in the end (delta: 20.0 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...