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 ExplicitValueDomain --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.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:39:17,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:39:17,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:39:17,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:39:17,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:39:17,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:39:17,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:39:17,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:39:17,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:39:17,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:39:17,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:39:17,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:39:17,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:39:17,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:39:17,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:39:17,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:39:17,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:39:17,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:39:17,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:39:17,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:39:17,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:39:17,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:39:17,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:39:17,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:39:17,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:39:17,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:39:17,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:39:17,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:39:17,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:39:17,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:39:17,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:39:17,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:39:17,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:39:17,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:39:17,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:39:17,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:39:17,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:39:17,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:39:17,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:39:17,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:39:17,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:39:17,275 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 08:39:17,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:39:17,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:39:17,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:39:17,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:39:17,299 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:39:17,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:39:17,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:39:17,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:39:17,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:39:17,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:39:17,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:39:17,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:39:17,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:39:17,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:39:17,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:39:17,301 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:39:17,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:39:17,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:39:17,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:39:17,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:39:17,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:39:17,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:39:17,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:39:17,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:39:17,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:39:17,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:39:17,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:39:17,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:39:17,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 08:39:17,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:39:17,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:39:17,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:39:17,374 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:39:17,374 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:39:17,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-21 08:39:17,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95f23e42/6d5eeb1e4457475ab60ed5b9534a55fb/FLAGda5dee78f [2019-09-21 08:39:17,989 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:39:17,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2019-09-21 08:39:18,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95f23e42/6d5eeb1e4457475ab60ed5b9534a55fb/FLAGda5dee78f [2019-09-21 08:39:18,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95f23e42/6d5eeb1e4457475ab60ed5b9534a55fb [2019-09-21 08:39:18,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:39:18,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:39:18,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:39:18,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:39:18,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:39:18,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6752fefc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18, skipping insertion in model container [2019-09-21 08:39:18,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,261 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:39:18,320 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:39:18,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:39:18,702 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:39:18,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:39:18,820 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:39:18,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18 WrapperNode [2019-09-21 08:39:18,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:39:18,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:39:18,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:39:18,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:39:18,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18" (1/1) ... [2019-09-21 08:39:18,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:39:18,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:39:18,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:39:18,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:39:18,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:18" (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 08:39:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2019-09-21 08:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2019-09-21 08:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2019-09-21 08:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2019-09-21 08:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2019-09-21 08:39:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2019-09-21 08:39:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2019-09-21 08:39:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2019-09-21 08:39:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-21 08:39:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2019-09-21 08:39:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2019-09-21 08:39:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2019-09-21 08:39:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2019-09-21 08:39:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2019-09-21 08:39:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-21 08:39:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:39:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-21 08:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 08:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 08:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-21 08:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-21 08:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-21 08:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 08:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2019-09-21 08:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2019-09-21 08:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2019-09-21 08:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2019-09-21 08:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2019-09-21 08:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2019-09-21 08:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2019-09-21 08:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2019-09-21 08:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-21 08:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2019-09-21 08:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2019-09-21 08:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2019-09-21 08:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2019-09-21 08:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2019-09-21 08:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-21 08:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:39:20,418 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:39:20,419 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 08:39:20,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:39:20 BoogieIcfgContainer [2019-09-21 08:39:20,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:39:20,421 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:39:20,421 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:39:20,421 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:39:20,423 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:39:20" (1/1) ... [2019-09-21 08:39:20,424 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 08:39:20,461 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:39:20,461 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:39:20,479 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:39:20,493 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:39:20,495 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:39:20,878 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-21 08:39:20,984 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 178 for LOIs [2019-09-21 08:39:24,922 INFO L199 IcfgInterpreter]: Interpreting procedure check with input of size 18 for LOIs [2019-09-21 08:39:28,175 INFO L199 IcfgInterpreter]: Interpreting procedure read_side1_failed_history with input of size 1 for LOIs [2019-09-21 08:39:28,179 INFO L199 IcfgInterpreter]: Interpreting procedure read_side2_failed_history with input of size 1 for LOIs [2019-09-21 08:39:28,183 INFO L199 IcfgInterpreter]: Interpreting procedure Pendulum_prism_task_each_pals_period with input of size 16 for LOIs [2019-09-21 08:39:28,184 INFO L199 IcfgInterpreter]: Interpreting procedure read_active_side_history with input of size 1 for LOIs [2019-09-21 08:39:28,188 INFO L199 IcfgInterpreter]: Interpreting procedure read_manual_selection_history with input of size 33 for LOIs [2019-09-21 08:39:28,191 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 24 for LOIs [2019-09-21 08:39:28,193 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:39:28,194 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:39:28,197 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3546#(and (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|) (or (= 0 |assert_#in~arg|) (and (= ~nomsg~0 ~s1s2_new~0) (= ~nomsg~0 ~s2s2_new~0) (= 1 |assert_#in~arg|) (= ~nomsg~0 ~s2s1_new~0) (= ~nomsg~0 ~s2p_new~0) (= ~nomsg~0 ~cs1_new~0) (= ~nomsg~0 ~cs2_new~0) (= ~s1p_new~0 ~nomsg~0) (= ~nomsg~0 ~s1s1_new~0)))) [2019-09-21 08:39:28,217 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:39:28,217 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:39:28,222 INFO L168 Benchmark]: Toolchain (without parser) took 9972.31 ms. Allocated memory was 140.0 MB in the beginning and 518.0 MB in the end (delta: 378.0 MB). Free memory was 85.0 MB in the beginning and 437.7 MB in the end (delta: -352.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:28,223 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:39:28,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.31 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 84.8 MB in the beginning and 169.0 MB in the end (delta: -84.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:28,227 INFO L168 Benchmark]: Boogie Preprocessor took 88.59 ms. Allocated memory is still 199.2 MB. Free memory was 169.0 MB in the beginning and 165.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:28,233 INFO L168 Benchmark]: RCFGBuilder took 1510.67 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 165.1 MB in the beginning and 164.5 MB in the end (delta: 616.5 kB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:28,234 INFO L168 Benchmark]: Sifa took 7796.44 ms. Allocated memory was 224.4 MB in the beginning and 518.0 MB in the end (delta: 293.6 MB). Free memory was 164.5 MB in the beginning and 437.7 MB in the end (delta: -273.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:39:28,246 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 573.31 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 84.8 MB in the beginning and 169.0 MB in the end (delta: -84.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.59 ms. Allocated memory is still 199.2 MB. Free memory was 169.0 MB in the beginning and 165.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1510.67 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 165.1 MB in the beginning and 164.5 MB in the end (delta: 616.5 kB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. * Sifa took 7796.44 ms. Allocated memory was 224.4 MB in the beginning and 518.0 MB in the end (delta: 293.6 MB). Free memory was 164.5 MB in the beginning and 437.7 MB in the end (delta: -273.3 MB). Peak memory consumption was 20.3 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]: 7737, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1618, DAG_INTERPRETER_EARLY_EXITS: 38, TOOLS_POST_APPLICATIONS: 1146, TOOLS_POST_TIME[ms]: 856, TOOLS_POST_CALL_APPLICATIONS: 433, TOOLS_POST_CALL_TIME[ms]: 1286, TOOLS_POST_RETURN_APPLICATIONS: 403, TOOLS_POST_RETURN_TIME[ms]: 1199, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1978, TOOLS_QUANTIFIERELIM_TIME[ms]: 3012, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 364, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 1619, FLUID_YES_ANSWERS: 9, DOMAIN_JOIN_APPLICATIONS: 613, DOMAIN_JOIN_TIME[ms]: 3439, DOMAIN_ALPHA_APPLICATIONS: 9, DOMAIN_ALPHA_TIME[ms]: 11, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 352, DOMAIN_ISBOTTOM_TIME[ms]: 543, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2552, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2552, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 403, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3121, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3119, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 144, DAG_COMPRESSION_PROCESSED_NODES: 6582, DAG_COMPRESSION_RETAINED_NODES: 1591 - UnprovableResult [Line: 662]: 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 3546#(and (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|) (or (= 0 |assert_#in~arg|) (and (= ~nomsg~0 ~s1s2_new~0) (= ~nomsg~0 ~s2s2_new~0) (= 1 |assert_#in~arg|) (= ~nomsg~0 ~s2s1_new~0) (= ~nomsg~0 ~s2p_new~0) (= ~nomsg~0 ~cs1_new~0) (= ~nomsg~0 ~cs2_new~0) (= ~s1p_new~0 ~nomsg~0) (= ~nomsg~0 ~s1s1_new~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...