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.7.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 19:49:47,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 19:49:47,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 19:49:47,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 19:49:47,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 19:49:47,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 19:49:47,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 19:49:47,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 19:49:47,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 19:49:47,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 19:49:47,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 19:49:47,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 19:49:47,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 19:49:47,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 19:49:47,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 19:49:47,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 19:49:47,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 19:49:47,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 19:49:47,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 19:49:47,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 19:49:47,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 19:49:47,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 19:49:47,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 19:49:47,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 19:49:47,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 19:49:47,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 19:49:47,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 19:49:47,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 19:49:47,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 19:49:47,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 19:49:47,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 19:49:47,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 19:49:47,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 19:49:47,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 19:49:47,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 19:49:47,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 19:49:47,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 19:49:47,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 19:49:47,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 19:49:47,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 19:49:47,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 19:49:47,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-31 19:49:47,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 19:49:47,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 19:49:47,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 19:49:47,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 19:49:47,280 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 19:49:47,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 19:49:47,281 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 19:49:47,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 19:49:47,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 19:49:47,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 19:49:47,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 19:49:47,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 19:49:47,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 19:49:47,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 19:49:47,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 19:49:47,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 19:49:47,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 19:49:47,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 19:49:47,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 19:49:47,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 19:49:47,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 19:49:47,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:49:47,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 19:49:47,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 19:49:47,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 19:49:47,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 19:49:47,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 19:49:47,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 19:49:47,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 19:49:47,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 19:49:47,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 19:49:47,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 19:49:47,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 19:49:47,338 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 19:49:47,339 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2019-08-31 19:49:47,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83176eca2/86977f9c7c6a48f497a7aaa91ad7b256/FLAG48ee9efcd [2019-08-31 19:49:47,928 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 19:49:47,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2019-08-31 19:49:47,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83176eca2/86977f9c7c6a48f497a7aaa91ad7b256/FLAG48ee9efcd [2019-08-31 19:49:48,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83176eca2/86977f9c7c6a48f497a7aaa91ad7b256 [2019-08-31 19:49:48,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 19:49:48,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 19:49:48,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 19:49:48,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 19:49:48,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 19:49:48,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a28d254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48, skipping insertion in model container [2019-08-31 19:49:48,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,328 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 19:49:48,375 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 19:49:48,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:49:48,774 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 19:49:48,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:49:48,900 INFO L192 MainTranslator]: Completed translation [2019-08-31 19:49:48,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48 WrapperNode [2019-08-31 19:49:48,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 19:49:48,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 19:49:48,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 19:49:48,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 19:49:48,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48" (1/1) ... [2019-08-31 19:49:48,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 19:49:48,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 19:49:48,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 19:49:48,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 19:49:48,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:49:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 19:49:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 19:49:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 19:49:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 19:49:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 19:49:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 19:49:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-31 19:49:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-31 19:49:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2019-08-31 19:49:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 19:49:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 19:49:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 19:49:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 19:49:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 19:49:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 19:49:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 19:49:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-31 19:49:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 19:49:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 19:49:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 19:49:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 19:49:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 19:49:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 19:49:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 19:49:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 19:49:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 19:49:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-31 19:49:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-31 19:49:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 19:49:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 19:49:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 19:49:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 19:49:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 19:49:49,807 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 19:49:49,807 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 19:49:49,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:49:49 BoogieIcfgContainer [2019-08-31 19:49:49,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 19:49:49,809 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 19:49:49,810 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 19:49:49,810 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 19:49:49,811 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:49:49" (1/1) ... [2019-08-31 19:49:49,850 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 19:49:49,851 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 19:49:49,860 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 19:49:49,868 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 19:49:49,870 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 19:49:50,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,083 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,087 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:50,126 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 [2019-08-31 19:49:50,127 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 19:49:50,454 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-31 19:49:50,456 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:49:50,482 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:50,484 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:50,485 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:50,486 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:50,487 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:50,489 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:50,494 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 [2019-08-31 19:49:50,496 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 19:49:50,786 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-08-31 19:49:50,787 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:49:50,787 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 19:49:50,788 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:224 [2019-08-31 19:49:50,863 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 304 for LOIs [2019-08-31 19:49:53,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,623 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,625 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,630 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,632 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,648 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,650 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,654 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,715 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:53,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,313 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:54,534 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 6 for LOIs [2019-08-31 19:49:54,535 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 19:49:54,536 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 19:49:54,537 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 746#(and (or (= 0 |assert_#in~arg|) (= 1 |assert_#in~arg|)) (or (and (<= 1 assert_~arg) (<= 1 |assert_#in~arg|) (<= assert_~arg 1) (<= |assert_#in~arg| 1)) (and (<= assert_~arg 0) (<= |assert_#in~arg| 0) (<= 0 |assert_#in~arg|) (<= 0 assert_~arg))) (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|)) [2019-08-31 19:49:54,552 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 19:49:54,552 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 19:49:54,554 INFO L168 Benchmark]: Toolchain (without parser) took 6240.22 ms. Allocated memory was 139.5 MB in the beginning and 382.2 MB in the end (delta: 242.7 MB). Free memory was 86.7 MB in the beginning and 150.8 MB in the end (delta: -64.1 MB). Peak memory consumption was 178.7 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:54,555 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 19:49:54,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.61 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 172.0 MB in the end (delta: -85.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:54,556 INFO L168 Benchmark]: Boogie Preprocessor took 61.75 ms. Allocated memory is still 199.8 MB. Free memory was 172.0 MB in the beginning and 169.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:54,557 INFO L168 Benchmark]: RCFGBuilder took 845.79 ms. Allocated memory is still 199.8 MB. Free memory was 168.9 MB in the beginning and 114.6 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:54,558 INFO L168 Benchmark]: Sifa took 4742.67 ms. Allocated memory was 199.8 MB in the beginning and 382.2 MB in the end (delta: 182.5 MB). Free memory was 114.6 MB in the beginning and 150.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 146.3 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:54,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 586.61 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 172.0 MB in the end (delta: -85.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.75 ms. Allocated memory is still 199.8 MB. Free memory was 172.0 MB in the beginning and 169.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 845.79 ms. Allocated memory is still 199.8 MB. Free memory was 168.9 MB in the beginning and 114.6 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. * Sifa took 4742.67 ms. Allocated memory was 199.8 MB in the beginning and 382.2 MB in the end (delta: 182.5 MB). Free memory was 114.6 MB in the beginning and 150.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 146.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 4.7s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 257 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 235 TOOLS_POST_APPLICATIONS, 1.1s TOOLS_POST_TIME, 21 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 19 TOOLS_POST_RETURN_APPLICATIONS, 0.5s TOOLS_POST_RETURN_TIME, 1.7s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 258 FLUID_QUERIES, 8 FLUID_YES_ANSWERS, 106 DOMAIN_JOIN_APPLICATIONS, 2.5s DOMAIN_JOIN_TIME, 8 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 1 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 93 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.2s LOOP_SUMMARIZER_OVERALL_TIME, 0.2s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 1 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 19 CALL_SUMMARIZER_APPLICATIONS, 11 CALL_SUMMARIZER_CACHE_MISSES, 3.7s CALL_SUMMARIZER_OVERALL_TIME, 3.7s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.1s DAG_COMPRESSION_TIME, 727 DAG_COMPRESSION_PROCESSED_NODES, 281 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 631]: 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 746#(and (or (= 0 |assert_#in~arg|) (= 1 |assert_#in~arg|)) (or (and (<= 1 assert_~arg) (<= 1 |assert_#in~arg|) (<= assert_~arg 1) (<= |assert_#in~arg| 1)) (and (<= assert_~arg 0) (<= |assert_#in~arg| 0) (<= 0 |assert_#in~arg|) (<= 0 assert_~arg))) (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...