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 --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:19:29,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:19:29,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:19:29,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:19:29,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:19:29,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:19:29,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:19:29,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:19:29,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:19:29,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:19:29,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:19:29,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:19:29,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:19:29,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:19:29,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:19:29,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:19:29,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:19:29,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:19:29,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:19:29,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:19:29,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:19:29,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:19:29,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:19:29,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:19:29,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:19:29,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:19:29,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:19:29,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:19:29,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:19:29,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:19:29,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:19:29,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:19:29,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:19:29,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:19:29,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:19:29,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:19:29,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:19:29,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:19:29,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:19:29,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:19:29,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:19:29,081 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 [2019-09-21 09:19:29,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:19:29,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:19:29,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:19:29,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:19:29,101 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:19:29,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:19:29,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:19:29,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:19:29,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:19:29,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:19:29,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:19:29,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:19:29,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:19:29,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:19:29,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:19:29,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:19:29,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:19:29,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:19:29,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:19:29,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:19:29,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:19:29,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:19:29,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:19:29,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:19:29,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:19:29,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:19:29,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:19:29,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:19:29,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:19:29,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:19:29,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:19:29,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:19:29,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:19:29,191 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:19:29,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-09-21 09:19:29,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa83a6c3/48680e345fb244e5922a0455230090a5/FLAG8df97faba [2019-09-21 09:19:29,807 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:19:29,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2019-09-21 09:19:29,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa83a6c3/48680e345fb244e5922a0455230090a5/FLAG8df97faba [2019-09-21 09:19:30,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa83a6c3/48680e345fb244e5922a0455230090a5 [2019-09-21 09:19:30,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:19:30,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:19:30,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:30,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:19:30,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:19:30,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413d1a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30, skipping insertion in model container [2019-09-21 09:19:30,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:19:30,265 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:19:30,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:30,664 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:19:30,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:30,773 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:19:30,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30 WrapperNode [2019-09-21 09:19:30,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:30,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:19:30,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:19:30,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:19:30,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30" (1/1) ... [2019-09-21 09:19:30,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:19:30,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:19:30,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:19:30,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:19:30,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:30" (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 [2019-09-21 09:19:30,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:19:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:19:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-21 09:19:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-21 09:19:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-21 09:19:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-21 09:19:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-21 09:19:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-21 09:19:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-21 09:19:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-21 09:19:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-21 09:19:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-21 09:19:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-21 09:19:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-21 09:19:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-21 09:19:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-21 09:19:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-21 09:19:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:19:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-21 09:19:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:19:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 09:19:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 09:19:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-21 09:19:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-21 09:19:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-21 09:19:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:19:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-21 09:19:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-21 09:19:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-21 09:19:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-21 09:19:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-21 09:19:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-21 09:19:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-21 09:19:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-21 09:19:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-21 09:19:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-21 09:19:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-21 09:19:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-21 09:19:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-21 09:19:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-21 09:19:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-21 09:19:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:19:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:19:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:19:32,364 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:19:32,364 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:19:32,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:32 BoogieIcfgContainer [2019-09-21 09:19:32,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:19:32,366 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:19:32,366 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:19:32,367 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:19:32,368 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:32" (1/1) ... [2019-09-21 09:19:32,369 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:19:32,416 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:19:32,417 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:19:32,436 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:19:32,451 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:19:32,453 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:19:32,805 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-21 09:19:32,931 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 191 for LOIs [2019-09-21 09:19:34,778 INFO L199 IcfgInterpreter]: Interpreting procedure check with input of size 47 for LOIs [2019-09-21 09:19:38,898 INFO L199 IcfgInterpreter]: Interpreting procedure read_side1_failed_history with input of size 71 for LOIs [2019-09-21 09:19:38,943 INFO L199 IcfgInterpreter]: Interpreting procedure read_side2_failed_history with input of size 71 for LOIs [2019-09-21 09:19:38,960 INFO L199 IcfgInterpreter]: Interpreting procedure Pendulum_prism_task_each_pals_period with input of size 46 for LOIs [2019-09-21 09:19:38,972 INFO L199 IcfgInterpreter]: Interpreting procedure read_active_side_history with input of size 70 for LOIs [2019-09-21 09:19:38,991 INFO L199 IcfgInterpreter]: Interpreting procedure read_manual_selection_history with input of size 67 for LOIs [2019-09-21 09:19:39,010 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 70 for LOIs [2019-09-21 09:19:39,026 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:19:39,026 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:19:39,029 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2612#(or (and (<= 0 (+ ~s2s1_new~0 1)) (<= 0 ~s1s2~0) (<= (+ ~cs2_new~0 1) 0) (<= ~s2p~0 0) (<= ~cs1~0 0) (<= |assert_#in~arg| 0) (<= 0 (+ ~nomsg~0 1)) (<= 0 (+ ~s2p_new~0 1)) (<= 0 (+ ~s2s2_new~0 1)) (<= 0 (+ ~cs2_new~0 1)) (<= 0 ~s1s1~0) (<= ~s2s2~0 0) (<= 0 assert_~arg) (<= assert_~arg 0) (<= 0 ~s2s2~0) (<= (+ ~s1p_new~0 1) 0) (<= (+ ~s2s1_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= ~s2s1~0 0) (<= 0 ~cs1~0) (<= 0 ~s1p~0) (<= 0 ~cs2~0) (<= 0 ~s2s1~0) (<= ~cs2~0 0) (<= (+ ~cs1_new~0 1) 0) (<= 0 (+ ~s1s1_new~0 1)) (<= (+ ~s2s2_new~0 1) 0) (<= (+ ~s1s1_new~0 1) 0) (<= ~s1s1~0 0) (<= (+ ~s2p_new~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= 0 ~s2p~0) (<= 0 (+ ~cs1_new~0 1)) (<= ~s1p~0 0) (<= 0 (+ ~s1s2_new~0 1)) (<= 0 (+ ~s1p_new~0 1)) (<= ~s1s2~0 0) (<= (+ ~s1s2_new~0 1) 0)) (and (<= 0 (+ ~s2s1_new~0 1)) (<= 0 ~s1s2~0) (<= 1 assert_~arg) (<= (+ ~cs2_new~0 1) 0) (<= assert_~arg 1) (<= ~s2p~0 0) (<= ~cs1~0 0) (<= 0 (+ ~nomsg~0 1)) (<= 0 (+ ~s2p_new~0 1)) (<= 0 (+ ~s2s2_new~0 1)) (<= 0 (+ ~cs2_new~0 1)) (<= 0 ~s1s1~0) (<= ~s2s2~0 0) (<= 1 |assert_#in~arg|) (<= 0 ~s2s2~0) (<= (+ ~s1p_new~0 1) 0) (<= (+ ~s2s1_new~0 1) 0) (<= ~s2s1~0 0) (<= 0 ~cs1~0) (<= 0 ~s1p~0) (<= 0 ~cs2~0) (<= 0 ~s2s1~0) (<= |assert_#in~arg| 1) (<= ~cs2~0 0) (<= (+ ~cs1_new~0 1) 0) (<= 0 (+ ~s1s1_new~0 1)) (<= (+ ~s2s2_new~0 1) 0) (<= (+ ~s1s1_new~0 1) 0) (<= ~s1s1~0 0) (<= (+ ~s2p_new~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= 0 ~s2p~0) (<= 0 (+ ~cs1_new~0 1)) (<= ~s1p~0 0) (<= 0 (+ ~s1s2_new~0 1)) (<= 0 (+ ~s1p_new~0 1)) (<= ~s1s2~0 0) (<= (+ ~s1s2_new~0 1) 0))) [2019-09-21 09:19:39,049 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:19:39,049 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:19:39,053 INFO L168 Benchmark]: Toolchain (without parser) took 8857.74 ms. Allocated memory was 130.5 MB in the beginning and 493.9 MB in the end (delta: 363.3 MB). Free memory was 85.4 MB in the beginning and 424.1 MB in the end (delta: -338.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,055 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.77 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.2 MB in the beginning and 167.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,059 INFO L168 Benchmark]: Boogie Preprocessor took 88.27 ms. Allocated memory is still 198.7 MB. Free memory was 167.3 MB in the beginning and 163.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,066 INFO L168 Benchmark]: RCFGBuilder took 1497.16 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 163.3 MB in the beginning and 162.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,067 INFO L168 Benchmark]: Sifa took 6682.93 ms. Allocated memory was 218.1 MB in the beginning and 493.9 MB in the end (delta: 275.8 MB). Free memory was 162.2 MB in the beginning and 424.1 MB in the end (delta: -261.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,081 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 579.77 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.2 MB in the beginning and 167.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.27 ms. Allocated memory is still 198.7 MB. Free memory was 167.3 MB in the beginning and 163.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1497.16 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 163.3 MB in the beginning and 162.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. * Sifa took 6682.93 ms. Allocated memory was 218.1 MB in the beginning and 493.9 MB in the end (delta: 275.8 MB). Free memory was 162.2 MB in the beginning and 424.1 MB in the end (delta: -261.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 6613, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1625, DAG_INTERPRETER_EARLY_EXITS: 38, TOOLS_POST_APPLICATIONS: 1147, TOOLS_POST_TIME[ms]: 888, TOOLS_POST_CALL_APPLICATIONS: 439, TOOLS_POST_CALL_TIME[ms]: 891, TOOLS_POST_RETURN_APPLICATIONS: 409, TOOLS_POST_RETURN_TIME[ms]: 274, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1995, TOOLS_QUANTIFIERELIM_TIME[ms]: 1655, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 317, FLUID_QUERY_TIME[ms]: 40, FLUID_QUERIES: 1627, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 614, DOMAIN_JOIN_TIME[ms]: 3603, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 352, DOMAIN_ISBOTTOM_TIME[ms]: 533, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1212, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1211, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 409, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1773, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1772, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 139, DAG_COMPRESSION_PROCESSED_NODES: 6578, DAG_COMPRESSION_RETAINED_NODES: 1589 - UnprovableResult [Line: 661]: 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 2612#(or (and (<= 0 (+ ~s2s1_new~0 1)) (<= 0 ~s1s2~0) (<= (+ ~cs2_new~0 1) 0) (<= ~s2p~0 0) (<= ~cs1~0 0) (<= |assert_#in~arg| 0) (<= 0 (+ ~nomsg~0 1)) (<= 0 (+ ~s2p_new~0 1)) (<= 0 (+ ~s2s2_new~0 1)) (<= 0 (+ ~cs2_new~0 1)) (<= 0 ~s1s1~0) (<= ~s2s2~0 0) (<= 0 assert_~arg) (<= assert_~arg 0) (<= 0 ~s2s2~0) (<= (+ ~s1p_new~0 1) 0) (<= (+ ~s2s1_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= ~s2s1~0 0) (<= 0 ~cs1~0) (<= 0 ~s1p~0) (<= 0 ~cs2~0) (<= 0 ~s2s1~0) (<= ~cs2~0 0) (<= (+ ~cs1_new~0 1) 0) (<= 0 (+ ~s1s1_new~0 1)) (<= (+ ~s2s2_new~0 1) 0) (<= (+ ~s1s1_new~0 1) 0) (<= ~s1s1~0 0) (<= (+ ~s2p_new~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= 0 ~s2p~0) (<= 0 (+ ~cs1_new~0 1)) (<= ~s1p~0 0) (<= 0 (+ ~s1s2_new~0 1)) (<= 0 (+ ~s1p_new~0 1)) (<= ~s1s2~0 0) (<= (+ ~s1s2_new~0 1) 0)) (and (<= 0 (+ ~s2s1_new~0 1)) (<= 0 ~s1s2~0) (<= 1 assert_~arg) (<= (+ ~cs2_new~0 1) 0) (<= assert_~arg 1) (<= ~s2p~0 0) (<= ~cs1~0 0) (<= 0 (+ ~nomsg~0 1)) (<= 0 (+ ~s2p_new~0 1)) (<= 0 (+ ~s2s2_new~0 1)) (<= 0 (+ ~cs2_new~0 1)) (<= 0 ~s1s1~0) (<= ~s2s2~0 0) (<= 1 |assert_#in~arg|) (<= 0 ~s2s2~0) (<= (+ ~s1p_new~0 1) 0) (<= (+ ~s2s1_new~0 1) 0) (<= ~s2s1~0 0) (<= 0 ~cs1~0) (<= 0 ~s1p~0) (<= 0 ~cs2~0) (<= 0 ~s2s1~0) (<= |assert_#in~arg| 1) (<= ~cs2~0 0) (<= (+ ~cs1_new~0 1) 0) (<= 0 (+ ~s1s1_new~0 1)) (<= (+ ~s2s2_new~0 1) 0) (<= (+ ~s1s1_new~0 1) 0) (<= ~s1s1~0 0) (<= (+ ~s2p_new~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= 0 ~s2p~0) (<= 0 (+ ~cs1_new~0 1)) (<= ~s1p~0 0) (<= 0 (+ ~s1s2_new~0 1)) (<= 0 (+ ~s1p_new~0 1)) (<= ~s1s2~0 0) (<= (+ ~s1s2_new~0 1) 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...