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.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 01:24:53,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 01:24:53,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 01:24:53,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-22 01:24:53,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 01:24:53,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 01:24:53,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 01:24:53,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 01:24:53,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 01:24:53,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 01:24:53,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 01:24:53,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 01:24:53,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 01:24:53,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 01:24:53,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 01:24:53,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 01:24:53,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 01:24:53,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 01:24:53,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 01:24:53,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 01:24:53,620 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 [2019-08-22 01:24:53,642 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 01:24:53,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 01:24:53,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 01:24:53,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 01:24:53,644 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 01:24:53,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 01:24:53,645 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 01:24:53,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 01:24:53,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 01:24:53,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 01:24:53,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 01:24:53,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 01:24:53,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 01:24:53,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 01:24:53,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 01:24:53,647 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 01:24:53,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 01:24:53,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 01:24:53,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 01:24:53,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 01:24:53,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 01:24:53,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 01:24:53,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 01:24:53,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 01:24:53,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 01:24:53,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 01:24:53,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 01:24:53,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 01:24:53,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 01:24:53,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 01:24:53,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 01:24:53,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 01:24:53,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 01:24:53,708 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 01:24:53,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-08-22 01:24:53,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d442ec6/76eed2cacea2461fa4cfd674c9e4b500/FLAGa45d697d0 [2019-08-22 01:24:54,346 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 01:24:54,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-08-22 01:24:54,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d442ec6/76eed2cacea2461fa4cfd674c9e4b500/FLAGa45d697d0 [2019-08-22 01:24:54,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d442ec6/76eed2cacea2461fa4cfd674c9e4b500 [2019-08-22 01:24:54,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 01:24:54,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 01:24:54,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 01:24:54,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 01:24:54,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 01:24:54,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:24:54" (1/1) ... [2019-08-22 01:24:54,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5723cd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:54, skipping insertion in model container [2019-08-22 01:24:54,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:24:54" (1/1) ... [2019-08-22 01:24:54,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 01:24:54,756 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 01:24:55,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:24:55,306 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 01:24:55,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:24:55,396 INFO L192 MainTranslator]: Completed translation [2019-08-22 01:24:55,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55 WrapperNode [2019-08-22 01:24:55,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 01:24:55,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 01:24:55,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 01:24:55,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 01:24:55,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55" (1/1) ... [2019-08-22 01:24:55,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55" (1/1) ... [2019-08-22 01:24:55,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55" (1/1) ... [2019-08-22 01:24:55,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55" (1/1) ... [2019-08-22 01:24:55,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55" (1/1) ... [2019-08-22 01:24:55,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55" (1/1) ... [2019-08-22 01:24:55,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55" (1/1) ... [2019-08-22 01:24:55,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 01:24:55,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 01:24:55,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 01:24:55,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 01:24:55,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:24:55" (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 [2019-08-22 01:24:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 01:24:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 01:24:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-08-22 01:24:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-08-22 01:24:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-08-22 01:24:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-08-22 01:24:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-08-22 01:24:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-08-22 01:24:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-08-22 01:24:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-08-22 01:24:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-22 01:24:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-08-22 01:24:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-08-22 01:24:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-08-22 01:24:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-08-22 01:24:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-08-22 01:24:55,557 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-22 01:24:55,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 01:24:55,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-22 01:24:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 01:24:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 01:24:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 01:24:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 01:24:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 01:24:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 01:24:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 01:24:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-08-22 01:24:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-08-22 01:24:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-08-22 01:24:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-08-22 01:24:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-08-22 01:24:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-08-22 01:24:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-08-22 01:24:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-08-22 01:24:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 01:24:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-08-22 01:24:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-08-22 01:24:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-08-22 01:24:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-08-22 01:24:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-08-22 01:24:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 01:24:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 01:24:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 01:24:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 01:24:56,542 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 01:24:56,547 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 01:24:56,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:24:56 BoogieIcfgContainer [2019-08-22 01:24:56,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 01:24:56,550 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 01:24:56,553 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 01:24:56,554 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 01:24:56,555 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:24:56" (1/1) ... [2019-08-22 01:24:56,578 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 01:24:56,581 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 01:24:56,593 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 01:24:56,604 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 01:24:56,606 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 01:24:56,717 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:24:56,718 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:24:56,719 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:24:56,732 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 [2019-08-22 01:24:56,733 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 01:24:56,958 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-08-22 01:24:56,960 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:24:56,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:24:56,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:24:56,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:24:56,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:24:56,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:24:56,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:24:56,985 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 [2019-08-22 01:24:56,986 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 01:24:57,192 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-22 01:24:57,193 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:24:57,194 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 01:24:57,195 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:154, output treesize:164 [2019-08-22 01:24:57,276 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 191