java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 11:17:45,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 11:17:45,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 11:17:45,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 11:17:45,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 11:17:45,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 11:17:45,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 11:17:45,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 11:17:45,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 11:17:45,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 11:17:45,420 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 11:17:45,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 11:17:45,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 11:17:45,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 11:17:45,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 11:17:45,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 11:17:45,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 11:17:45,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 11:17:45,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 11:17:45,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 11:17:45,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 11:17:45,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 11:17:45,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 11:17:45,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 11:17:45,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 11:17:45,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 11:17:45,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 11:17:45,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 11:17:45,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 11:17:45,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 11:17:45,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 11:17:45,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 11:17:45,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 11:17:45,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 11:17:45,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 11:17:45,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 11:17:45,450 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 11:17:45,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 11:17:45,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 11:17:45,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 11:17:45,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 11:17:45,487 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 11:17:45,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 11:17:45,488 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 11:17:45,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 11:17:45,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 11:17:45,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 11:17:45,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 11:17:45,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 11:17:45,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 11:17:45,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 11:17:45,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 11:17:45,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 11:17:45,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 11:17:45,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 11:17:45,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 11:17:45,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 11:17:45,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 11:17:45,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 11:17:45,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 11:17:45,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 11:17:45,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 11:17:45,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 11:17:45,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 11:17:45,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 11:17:45,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 11:17:45,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 11:17:45,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 11:17:45,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 11:17:45,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 11:17:45,551 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 11:17:45,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.c [2019-08-18 11:17:45,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88be43e24/cb876aced4e24dc59f251c765dea2f74/FLAG85699bcb3 [2019-08-18 11:17:46,139 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 11:17:46,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.c [2019-08-18 11:17:46,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88be43e24/cb876aced4e24dc59f251c765dea2f74/FLAG85699bcb3 [2019-08-18 11:17:46,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88be43e24/cb876aced4e24dc59f251c765dea2f74 [2019-08-18 11:17:46,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 11:17:46,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 11:17:46,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 11:17:46,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 11:17:46,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 11:17:46,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:17:46" (1/1) ... [2019-08-18 11:17:46,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3851afd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:46, skipping insertion in model container [2019-08-18 11:17:46,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:17:46" (1/1) ... [2019-08-18 11:17:46,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 11:17:46,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 11:17:46,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:17:46,975 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 11:17:47,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 11:17:47,098 INFO L192 MainTranslator]: Completed translation [2019-08-18 11:17:47,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47 WrapperNode [2019-08-18 11:17:47,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 11:17:47,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 11:17:47,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 11:17:47,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 11:17:47,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47" (1/1) ... [2019-08-18 11:17:47,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47" (1/1) ... [2019-08-18 11:17:47,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47" (1/1) ... [2019-08-18 11:17:47,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47" (1/1) ... [2019-08-18 11:17:47,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47" (1/1) ... [2019-08-18 11:17:47,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47" (1/1) ... [2019-08-18 11:17:47,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47" (1/1) ... [2019-08-18 11:17:47,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 11:17:47,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 11:17:47,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 11:17:47,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 11:17:47,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:17:47" (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 11:17:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 11:17:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 11:17:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 11:17:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 11:17:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 11:17:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 11:17:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 11:17:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 11:17:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 11:17:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 11:17:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 11:17:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 11:17:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 11:17:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 11:17:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 11:17:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-18 11:17:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 11:17:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 11:17:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 11:17:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 11:17:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 11:17:48,100 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 11:17:48,101 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 11:17:48,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:17:48 BoogieIcfgContainer [2019-08-18 11:17:48,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 11:17:48,103 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 11:17:48,103 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 11:17:48,103 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 11:17:48,104 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:17:48" (1/1) ... [2019-08-18 11:17:48,117 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 11:17:48,120 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 11:17:48,130 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 11:17:48,138 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 11:17:48,140 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 11:17:48,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 11:17:48,330 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 11:17:48,331 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 11:17:48,682 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-18 11:17:48,683 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:17:48,707 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:17:48,708 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:17:48,708 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:17:48,709 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:17:48,710 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 11:17:48,717 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 11:17:48,718 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 11:17:49,011 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-08-18 11:17:49,013 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 11:17:49,014 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 11:17:49,014 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:205, output treesize:223 [2019-08-18 11:17:49,074 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 246 [2019-08-18 11:17:51,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:17:51,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:17:51,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:17:52,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:17:52,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:17:52,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 11:17:56,802 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 11:17:56,802 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 11:17:56,807 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 46716#(and (= main_~main__c1~0 ~__return_105146~0) (= 0 (mod main_~assert__arg~0 256)) (= main_~__tmp_1~0 main_~assert__arg~0) (= main_~__tmp_1~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~__return_105146~0 main_~check__tmp~0)) [2019-08-18 11:17:56,817 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 11:17:56,817 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 11:17:56,819 INFO L168 Benchmark]: Toolchain (without parser) took 10348.44 ms. Allocated memory was 131.6 MB in the beginning and 604.5 MB in the end (delta: 472.9 MB). Free memory was 87.0 MB in the beginning and 192.0 MB in the end (delta: -105.0 MB). Peak memory consumption was 518.4 MB. Max. memory is 7.1 GB. [2019-08-18 11:17:56,821 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-18 11:17:56,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.42 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 169.4 MB in the end (delta: -82.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-08-18 11:17:56,823 INFO L168 Benchmark]: Boogie Preprocessor took 66.77 ms. Allocated memory is still 199.2 MB. Free memory was 169.4 MB in the beginning and 166.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-18 11:17:56,823 INFO L168 Benchmark]: RCFGBuilder took 935.59 ms. Allocated memory is still 199.2 MB. Free memory was 166.7 MB in the beginning and 106.3 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2019-08-18 11:17:56,827 INFO L168 Benchmark]: Symbolic Interpretation took 8714.47 ms. Allocated memory was 199.2 MB in the beginning and 604.5 MB in the end (delta: 405.3 MB). Free memory was 106.3 MB in the beginning and 192.0 MB in the end (delta: -85.6 MB). Peak memory consumption was 470.1 MB. Max. memory is 7.1 GB. [2019-08-18 11:17:56,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 354]: 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 46716#(and (= main_~main__c1~0 ~__return_105146~0) (= 0 (mod main_~assert__arg~0 256)) (= main_~__tmp_1~0 main_~assert__arg~0) (= main_~__tmp_1~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~__return_105146~0 main_~check__tmp~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.42 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 169.4 MB in the end (delta: -82.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.77 ms. Allocated memory is still 199.2 MB. Free memory was 169.4 MB in the beginning and 166.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 935.59 ms. Allocated memory is still 199.2 MB. Free memory was 166.7 MB in the beginning and 106.3 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 8714.47 ms. Allocated memory was 199.2 MB in the beginning and 604.5 MB in the end (delta: 405.3 MB). Free memory was 106.3 MB in the beginning and 192.0 MB in the end (delta: -85.6 MB). Peak memory consumption was 470.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...