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_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:23:40,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:23:40,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:23:40,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:23:40,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:23:40,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:23:40,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:23:40,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:23:40,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:23:40,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:23:40,254 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:23:40,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:23:40,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:23:40,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:23:40,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:23:40,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:23:40,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:23:40,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:23:40,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:23:40,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:23:40,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:23:40,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:23:40,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:23:40,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:23:40,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 09:23:40,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 09:23:40,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 09:23:40,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 09:23:40,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 09:23:40,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 09:23:40,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:23:40,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:23:40,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:23:40,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:23:40,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:23:40,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:23:40,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:23:40,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:23:40,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:23:40,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:23:40,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:23:40,282 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 09:23:40,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:23:40,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:23:40,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:23:40,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:23:40,299 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:23:40,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:23:40,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:23:40,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:23:40,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:23:40,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:23:40,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:23:40,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:23:40,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:23:40,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:23:40,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:23:40,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:23:40,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:23:40,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:23:40,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:23:40,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:23:40,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:23:40,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:23:40,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:23:40,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:23:40,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:23:40,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:23:40,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:23:40,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:23:40,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:23:40,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:23:40,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:23:40,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:23:40,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:23:40,373 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:23:40,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2019-08-18 09:23:40,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1917d7ce/dff4de30c22a43248af4b15f361186b2/FLAG011eb098a [2019-08-18 09:23:40,969 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:23:40,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2019-08-18 09:23:40,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1917d7ce/dff4de30c22a43248af4b15f361186b2/FLAG011eb098a [2019-08-18 09:23:41,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1917d7ce/dff4de30c22a43248af4b15f361186b2 [2019-08-18 09:23:41,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:23:41,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:23:41,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:23:41,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:23:41,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:23:41,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:41,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29700a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41, skipping insertion in model container [2019-08-18 09:23:41,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:41,313 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:23:41,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:23:41,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:23:41,791 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:23:41,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:23:41,929 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:23:41,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41 WrapperNode [2019-08-18 09:23:41,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:23:41,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:23:41,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:23:41,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:23:41,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:41,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:41,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:41,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:41,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:42,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:42,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41" (1/1) ... [2019-08-18 09:23:42,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:23:42,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:23:42,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:23:42,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:23:42,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:41" (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 09:23:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:23:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:23:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-08-18 09:23:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-08-18 09:23:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-08-18 09:23:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-08-18 09:23:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-08-18 09:23:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-08-18 09:23:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-08-18 09:23:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-08-18 09:23:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:23:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-08-18 09:23:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-08-18 09:23:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-08-18 09:23:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-08-18 09:23:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-08-18 09:23:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:23:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:23:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:23:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:23:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:23:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:23:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:23:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:23:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:23:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:23:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-08-18 09:23:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-08-18 09:23:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-08-18 09:23:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-08-18 09:23:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-08-18 09:23:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-08-18 09:23:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-08-18 09:23:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-08-18 09:23:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:23:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-08-18 09:23:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-08-18 09:23:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-08-18 09:23:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-08-18 09:23:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-08-18 09:23:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:23:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:23:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:23:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:23:42,997 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:23:42,997 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:23:42,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:23:42 BoogieIcfgContainer [2019-08-18 09:23:42,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:23:43,000 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:23:43,000 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:23:43,000 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:23:43,001 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:23:42" (1/1) ... [2019-08-18 09:23:43,015 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:23:43,018 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:23:43,028 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:23:43,036 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:23:43,038 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:23:43,144 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:43,151 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:43,153 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:43,167 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-18 09:23:43,168 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:23:43,422 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-08-18 09:23:43,423 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:23:43,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:43,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:43,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:43,447 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:43,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:43,451 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:43,453 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-18 09:23:43,454 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:23:43,658 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-18 09:23:43,658 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:23:43,659 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:23:43,660 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:154, output treesize:164 [2019-08-18 09:23:43,691 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 178 [2019-08-18 09:23:43,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,817 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-18 09:23:43,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,924 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,931 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,935 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,935 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,945 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,946 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,953 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,986 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,992 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,995 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:43,999 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,005 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,009 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,009 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,012 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,014 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:44,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:45,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:45,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:45,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:45,261 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 24 [2019-08-18 09:23:45,262 INFO L185 IcfgInterpreter]: Interpreting procedure check with input of size 18 [2019-08-18 09:23:46,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:46,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:46,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:46,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:46,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:46,345 INFO L185 IcfgInterpreter]: Interpreting procedure Pendulum_prism_task_each_pals_period with input of size 16 [2019-08-18 09:23:46,346 INFO L185 IcfgInterpreter]: Interpreting procedure read_active_side_history with input of size 1 [2019-08-18 09:23:46,348 INFO L185 IcfgInterpreter]: Interpreting procedure read_side2_failed_history with input of size 1 [2019-08-18 09:23:46,351 INFO L185 IcfgInterpreter]: Interpreting procedure read_side1_failed_history with input of size 1 [2019-08-18 09:23:46,353 INFO L185 IcfgInterpreter]: Interpreting procedure read_manual_selection_history with input of size 36 [2019-08-18 09:23:46,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:46,356 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 3 [2019-08-18 09:23:46,356 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:23:46,356 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:23:46,359 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 8025#(or (and (= (mod assert_~arg 256) 0) (= 0 |assert_#in~arg|) (= assert_~arg |assert_#in~arg|)) (and (= ~nomsg~0 ~s1s2_new~0) (= ~nomsg~0 ~s2s2_new~0) (or (= 0 |assert_#in~arg|) (= 1 |assert_#in~arg|)) (= ~nomsg~0 ~s2s1_new~0) (= ~nomsg~0 ~s2p_new~0) (= (mod assert_~arg 256) 0) (= ~nomsg~0 ~cs1_new~0) (= assert_~arg |assert_#in~arg|) (= ~nomsg~0 ~cs2_new~0) (= ~s1p_new~0 ~nomsg~0) (= ~nomsg~0 ~s1s1_new~0))) [2019-08-18 09:23:46,374 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:23:46,375 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:23:46,384 INFO L168 Benchmark]: Toolchain (without parser) took 5083.29 ms. Allocated memory was 131.6 MB in the beginning and 338.2 MB in the end (delta: 206.6 MB). Free memory was 86.7 MB in the beginning and 93.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 220.5 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:46,386 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 09:23:46,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.09 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.5 MB in the beginning and 167.2 MB in the end (delta: -80.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:46,391 INFO L168 Benchmark]: Boogie Preprocessor took 98.36 ms. Allocated memory is still 199.2 MB. Free memory was 167.2 MB in the beginning and 164.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:46,393 INFO L168 Benchmark]: RCFGBuilder took 970.38 ms. Allocated memory is still 199.2 MB. Free memory was 164.0 MB in the beginning and 104.3 MB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:46,395 INFO L168 Benchmark]: Symbolic Interpretation took 3380.63 ms. Allocated memory was 199.2 MB in the beginning and 338.2 MB in the end (delta: 138.9 MB). Free memory was 104.3 MB in the beginning and 93.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 170.4 MB. Max. memory is 7.1 GB. [2019-08-18 09:23:46,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 653]: 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 8025#(or (and (= (mod assert_~arg 256) 0) (= 0 |assert_#in~arg|) (= assert_~arg |assert_#in~arg|)) (and (= ~nomsg~0 ~s1s2_new~0) (= ~nomsg~0 ~s2s2_new~0) (or (= 0 |assert_#in~arg|) (= 1 |assert_#in~arg|)) (= ~nomsg~0 ~s2s1_new~0) (= ~nomsg~0 ~s2p_new~0) (= (mod assert_~arg 256) 0) (= ~nomsg~0 ~cs1_new~0) (= assert_~arg |assert_#in~arg|) (= ~nomsg~0 ~cs2_new~0) (= ~s1p_new~0 ~nomsg~0) (= ~nomsg~0 ~s1s1_new~0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.09 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.5 MB in the beginning and 167.2 MB in the end (delta: -80.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.36 ms. Allocated memory is still 199.2 MB. Free memory was 167.2 MB in the beginning and 164.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 970.38 ms. Allocated memory is still 199.2 MB. Free memory was 164.0 MB in the beginning and 104.3 MB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3380.63 ms. Allocated memory was 199.2 MB in the beginning and 338.2 MB in the end (delta: 138.9 MB). Free memory was 104.3 MB in the beginning and 93.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 170.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...