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.5.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 09:23:54,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:23:54,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:23:54,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:23:54,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:23:54,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:23:54,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:23:54,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:23:54,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:23:54,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:23:54,532 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:23:54,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:23:54,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:23:54,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:23:54,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:23:54,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:23:54,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:23:54,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:23:54,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:23:54,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:23:54,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:23:54,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:23:54,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:23:54,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:23:54,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 09:23:54,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 09:23:54,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 09:23:54,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 09:23:54,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 09:23:54,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 09:23:54,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:23:54,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:23:54,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:23:54,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:23:54,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:23:54,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:23:54,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:23:54,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:23:54,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:23:54,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:23:54,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:23:54,564 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 09:23:54,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:23:54,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:23:54,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:23:54,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:23:54,581 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:23:54,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:23:54,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:23:54,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:23:54,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:23:54,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:23:54,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:23:54,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:23:54,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:23:54,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:23:54,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:23:54,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:23:54,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:23:54,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:23:54,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:23:54,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:23:54,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:23:54,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:23:54,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:23:54,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:23:54,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:23:54,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:23:54,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:23:54,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:23:54,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:23:54,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:23:54,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:23:54,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:23:54,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:23:54,637 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:23:54,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.UNBOUNDED.pals.c [2019-08-18 09:23:54,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b787a41/35d98c3227db4d3c945194b1d8f9f933/FLAG0473bde7d [2019-08-18 09:23:55,144 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:23:55,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.UNBOUNDED.pals.c [2019-08-18 09:23:55,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b787a41/35d98c3227db4d3c945194b1d8f9f933/FLAG0473bde7d [2019-08-18 09:23:55,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b787a41/35d98c3227db4d3c945194b1d8f9f933 [2019-08-18 09:23:55,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:23:55,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:23:55,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:23:55,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:23:55,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:23:55,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:23:55" (1/1) ... [2019-08-18 09:23:55,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347f33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:55, skipping insertion in model container [2019-08-18 09:23:55,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:23:55" (1/1) ... [2019-08-18 09:23:55,480 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:23:55,545 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:23:55,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:23:55,938 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:23:56,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:23:56,114 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:23:56,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56 WrapperNode [2019-08-18 09:23:56,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:23:56,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:23:56,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:23:56,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:23:56,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56" (1/1) ... [2019-08-18 09:23:56,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56" (1/1) ... [2019-08-18 09:23:56,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56" (1/1) ... [2019-08-18 09:23:56,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56" (1/1) ... [2019-08-18 09:23:56,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56" (1/1) ... [2019-08-18 09:23:56,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56" (1/1) ... [2019-08-18 09:23:56,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56" (1/1) ... [2019-08-18 09:23:56,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:23:56,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:23:56,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:23:56,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:23:56,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:23:56" (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 09:23:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:23:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:23:56,261 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-08-18 09:23:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-08-18 09:23:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-08-18 09:23:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-08-18 09:23:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-08-18 09:23:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-08-18 09:23:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-08-18 09:23:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-08-18 09:23:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-18 09:23:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-08-18 09:23:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-08-18 09:23:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-08-18 09:23:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-08-18 09:23:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-08-18 09:23:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 09:23:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:23:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-18 09:23:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:23:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 09:23:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 09:23:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:23:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 09:23:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 09:23:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 09:23:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-08-18 09:23:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-08-18 09:23:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-08-18 09:23:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-08-18 09:23:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-08-18 09:23:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-08-18 09:23:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-08-18 09:23:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-08-18 09:23:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 09:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-08-18 09:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-08-18 09:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-08-18 09:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-08-18 09:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-08-18 09:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 09:23:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:23:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:23:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:23:57,340 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:23:57,340 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 09:23:57,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:23:57 BoogieIcfgContainer [2019-08-18 09:23:57,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:23:57,342 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:23:57,342 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:23:57,343 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:23:57,344 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:23:57" (1/1) ... [2019-08-18 09:23:57,359 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:23:57,361 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:23:57,371 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:23:57,380 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:23:57,381 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:23:57,488 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:57,490 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:57,492 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 09:23:57,506 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 09:23:57,506 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 09:23:57,749 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-08-18 09:23:57,750 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:23:57,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:57,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:57,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:57,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:57,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:57,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 09:23:57,782 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 09:23:57,782 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 09:23:57,994 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-18 09:23:57,995 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 09:23:57,996 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 09:23:57,996 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:154, output treesize:164 [2019-08-18 09:23:58,048 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 178 [2019-08-18 09:23:58,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-18 09:23:58,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,343 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,373 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,377 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,494 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,516 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,521 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,521 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,531 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,534 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:58,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:59,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:59,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:59,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:23:59,457 INFO L185 IcfgInterpreter]: Interpreting procedure Pendulum_prism_task_each_pals_period with input of size 16 [2019-08-18 09:23:59,458 INFO L185 IcfgInterpreter]: Interpreting procedure check with input of size 18 [2019-08-18 09:23:59,494 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:24:00,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:24:00,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:24:00,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:24:00,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:24:00,478 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 24 [2019-08-18 09:24:00,479 INFO L185 IcfgInterpreter]: Interpreting procedure read_active_side_history with input of size 1 [2019-08-18 09:24:00,481 INFO L185 IcfgInterpreter]: Interpreting procedure read_manual_selection_history with input of size 36 [2019-08-18 09:24:00,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:24:00,483 INFO L185 IcfgInterpreter]: Interpreting procedure read_side2_failed_history with input of size 1 [2019-08-18 09:24:00,485 INFO L185 IcfgInterpreter]: Interpreting procedure read_side1_failed_history with input of size 1 [2019-08-18 09:24:00,487 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 3 [2019-08-18 09:24:00,488 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:24:00,488 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:24:00,491 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 8416#(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 09:24:00,500 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:24:00,500 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:24:00,502 INFO L168 Benchmark]: Toolchain (without parser) took 5041.35 ms. Allocated memory was 130.5 MB in the beginning and 348.1 MB in the end (delta: 217.6 MB). Free memory was 84.2 MB in the beginning and 298.3 MB in the end (delta: -214.1 MB). Peak memory consumption was 230.7 MB. Max. memory is 7.1 GB. [2019-08-18 09:24:00,503 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 09:24:00,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.78 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 84.0 MB in the beginning and 170.0 MB in the end (delta: -86.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-08-18 09:24:00,505 INFO L168 Benchmark]: Boogie Preprocessor took 86.85 ms. Allocated memory is still 199.2 MB. Free memory was 170.0 MB in the beginning and 167.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-18 09:24:00,506 INFO L168 Benchmark]: RCFGBuilder took 1139.43 ms. Allocated memory is still 199.2 MB. Free memory was 166.6 MB in the beginning and 107.0 MB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-08-18 09:24:00,507 INFO L168 Benchmark]: Symbolic Interpretation took 3158.26 ms. Allocated memory was 199.2 MB in the beginning and 348.1 MB in the end (delta: 148.9 MB). Free memory was 107.0 MB in the beginning and 298.3 MB in the end (delta: -191.4 MB). Peak memory consumption was 184.8 MB. Max. memory is 7.1 GB. [2019-08-18 09:24:00,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 657]: 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 8416#(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 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.78 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 84.0 MB in the beginning and 170.0 MB in the end (delta: -86.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.85 ms. Allocated memory is still 199.2 MB. Free memory was 170.0 MB in the beginning and 167.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1139.43 ms. Allocated memory is still 199.2 MB. Free memory was 166.6 MB in the beginning and 107.0 MB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3158.26 ms. Allocated memory was 199.2 MB in the beginning and 348.1 MB in the end (delta: 148.9 MB). Free memory was 107.0 MB in the beginning and 298.3 MB in the end (delta: -191.4 MB). Peak memory consumption was 184.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...